Hioki 3155, 3155-01 Instruction Manual

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Page 1

INSTRUCTION MANUAL

3155-01

LEAK CURRENT HiTESTER

Page 2

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Contents

Introduction i Inspection i Safety Notes ii Notes on Use iii Contents of this Manual viii

Chapter 1 Overview 1

1.1 Product Introduction 1

1.2 Features of the 3155 2

1.3 Measuring Mode of the 3155 4

1.4 Leakage Measurement Types 5

1.5 Standards Regarding Leakage Current 6

Chapter 2 Names and Functions of Parts 7

Chapter 3 Options

3.1 Measurement Networks 13

3.1.1 9497 NETWORK B (for the Medical Electrical Equipment)

3.1.2 9498 NETWORK C (for IEC/TR 60990)

3.1.3 9499 NETWORK D (Universal)

3.2 9196 APPLY UNIT 18

3.2.1 9196 APPLY UNIT

3.2.2 Names and Functions of the Parts of the 9196 APPLY UNIT

3.2.3 9196 APPLY UNIT Operation

3.2.4 9196 APPLY UNIT Specifications

3.3 9388 CARRYING CASE (with Casters) 24

13 14 16

19 21 23

Chapter 4 Preparations for Measurement 25

4.1 Installing the Measurement Network 26

4.2 Power Cord Connection 27

4.3 Powering on and off the Unit 28

4.4 Loading Recording Paper 30

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Chapter 5 Medical Electrical Equipment Measurement

Network B Installed

5.1 Leakage Current Measurement Types and Their Allowable Values for Medical Electrical Equipment 31

5.2 Screens (ME Equipment) 34

5.2.1 Initial Screen (ME Equipment)

5.2.2 Equipment Set-up Screen (ME Equipment)

5.2.3 Measuring Mode Screen (ME Equipment)

5.2.4 System Screen (ME Equipment)

5.2.5 Flow of Screens for Basic Operations (for ME Equipment)

35 35 37 38 40

5.3 Earth Leakage Current Measurement Mode (ME Equipment) 41

5.3.1 Earth Leakage Current Measurement Mode

5.3.2 Connecting Equipment for Earth Leakage Current Measurement (ME Equipment)

5.3.3 Zero Adjustment (Earth Leakage Current)

5.3.4 Basic Settings for Earth Leakage Current Measurement

(ME Equipment)

42 44

5.3.5 Earth Leakage Current Measurement Screen

(ME Equipment)

5.4 Enclosure Leakage Current Measurement Mode (ME Equipment) 48

5.4.1 Enclosure Leakage Current Measurement Mode

5.4.2 Connecting Equipment for Enclosure Leakage Current Measurement (ME Equipment)

5.4.3 Basic Settings for Enclosure Leakage Current Measurement (ME Equipment)

5.4.4 Enclosure Leakage Current Measurement Screen (ME Equipment)

5.5 Patient Leakage Current Measurement Mode 57

5.5.1 Patient Leakage Current

5.5.2 Connecting Equipment for Patient Leakage Current

Measurement 59

5.5.3 Basic Settings for Patient Leakage Current

Measurement Mode 57

Measurement 61

5.5.4 Patient Leakage Current

Measurement Screen 62

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5.6 Patient Leakage Current Measurement Mode 64

5.6.1 Patient Leakage Current

5.6.2 Connecting Equipment for Patient Leakage Current Measurement 65

5.6.3 Basic Settings for Patient Leakage Current

Measurement 67

5.6.4 Patient Leakage Current

Measurement Mode 64

Measurement Screen 68

5.7 Patient Leakage Current Measurement Mode 70

5.7.1 Patient Leakage Current

5.7.2 Connecting Equipment for Patient Leakage Current

Measurement 71

5.7.3 Zero Adjustment (ME Equipment - Patient Leakage

Current

5.7.4 Basic Settings for Patient Leakage Current Measurement 74

5.7.5 Patient Leakage Current

) 73

Measurement Mode 70

Measurement Screen 75

5.8 Patient Auxiliary Current Measurement Mode 77

5.8.1 Patient Auxiliary Current Measurement Mode

5.8.2 Connecting Equipment for Patient Auxiliary Current

Measurement

5.8.3 Basic Settings for Patient Auxiliary Current Measurement

5.8.4 Patient Auxiliary Current Measurement Screen

79 81 82

5.9 Low Resistance Measurement Mode (ME Equipment) 84

5.9.1 Low Resistance Measurement Mode

5.9.2 Connecting Equipment for Low Resistance Measurement

(ME Equipment)

5.9.3 Basic Settings for Low Resistance Measurement

(ME Equipment)

5.9.4 Low Resistance Measurement Screen (ME Equipment)

88 89

5.10 Condition Set-up Window Setting (ME Equipment) 91

5.10.1 Allowable Value Setting (For Leakage Current

Measurement)

5.10.2 Allowable Value Setting (For Low Resistance

Measurement)

5.10.3 Automatic Measurement Setting (ME Equipment)

5.10.4 Measurement Current Setting (ME Equipment)

5.10.5 Printing out the Maximum Values (ME Equipment)

5.10.6 Saving the Maximum Values (ME Equipment)

5.10.7 Low Resistance Measurement with 3157

93 95

99 100 101 103

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5.11 System Screen (ME Equipment) 105

5.11.1 System Screen

5.11.2 Saved Data Reference Screen (ME Equipment)

5.11.3 Initialization Screen

5.11.4 Allowable Value Judgment Set-up Screen

5.11.5 Beep Sound Set-up Screen

5.11.6 Communications Set-up Screen

5.11.7 Printer Set-up Screen

5.11.8 Time and Date Set-up Screen

5.11.9 Self-test Screen

5.11.10 Language Set-up Screen

Chapter 6 Ordinary Electrical Equipment Measurement

Network C Installed

6.1 Measurement Network C 116

6.1.1 Leakage Current Measurement Types and Their Allowable Values for Ordinary Electrical Equipment

105 106 110 111 111 112 112 113 113 114

115

117

6.2 Screens (for IEC/TR 60990) 118

6.2.1 Initial Screen (for IEC/TR 60990)

6.2.2 "Equipment Set-up" Screen (for IEC/TR 60990)

6.2.3 Measuring Mode Screen (for IEC/TR 60990)

6.2.4 System Screen (for IEC/TR 60990)

6.2.5 Flow of Screens for Basic Operations (for IEC/TR 60990)

118 119 121 122 124

6.3 Enclosure Leakage Current Measurement Mode (for IEC/TR 60990) 125

6.3.1 Measurement Accompanying IEC 60950 (1991-10) + am4 (1996-07)

6.3.2 Connecting Equipment for Measurement Accompanying IEC 60950 (1991-10) + am4 (1996-07)

6.3.3 Zero Adjustment (for IEC/TR 60990 - Enclosure Leakage Current)

6.3.4 Measurement Accompanying IEC 61010-1 (1990-09) + am1 (1992-09) + am2 (1995-07)

126

128

131

132

6.3.5 Connecting Equipment for Measurement Accompanying IEC 61010-1 (1990-09) + am1 (1992-09) + am2 (1995-07)

6.3.6 Basic Settings for Enclosure Leakage Current Measurement (for IEC/TR 60990)

6.3.7 Enclosure Leakage Current Measurement Screen (for IEC/TR 60990)

133

135

136

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6.4 Earth Leakage Current Measurement Mode (for IEC/TR 60990)

6.4.1 Earth Leakage Current Measurement Mode

6.4.2 Connecting Equipment for Earth Leakage Current

139 139

Measurement (for IEC/TR 60990)

6.4.3 Zero Adjustment (Earth Leakage Current)

6.4.4 Basic Settings for Earth Leakage Current Measurement (for IEC/TR 60990)

6.4.5 Earth Leakage Current Measurement Screen (for IEC/TR 60990)

140 141

142

143

6.5 Low Resistance Measurement Mode (for IEC/TR 60990) 146

6.5.1 Low Resistance Measurement Mode

6.5.2 Connecting Equipment for Low Resistance Measurement (for IEC/TR 60990)

6.5.3 Basic Settings for Low Resistance Measurement

6.5.4 Low Resistance Measurement Screen

146

147 149 150

6.6 Condition Set-up Window Setting (for IEC/TR 60990) 152

6.6.1 Allowable Value Setting (For Leakage Current Measurement)

6.6.2 Allowable Value Setting (For Low Resistance

152

Measurement)

6.6.3 Automatic Measurement Setting (for IEC/TR 60990)

6.6.4 Measurement Current Setting (for IEC/TR 60990)

6.6.5 Printing out the Maximum Values (for IEC/TR 60990)

6.6.6 Saving the Maximum Values (for IEC/TR 60990)

6.6.7 Low Resistance Measurement with 3157

154 156 160 161 162 163

6.7 System Screen (for IEC/TR 60990) 165

6.7.1 System Screen

6.7.2 Saved Data Reference Screen (for IEC/TR 60990)

6.7.3 Initialization Screen

6.7.4 Allowable Value Judgment Set-up Screen

6.7.5 Beep Sound Set-up Screen

6.7.6 Communications Set-up Screen

6.7.7 Printer Set-up Screen

6.7.8 Time and Date Set-up Screen

6.7.9 Self-test Screen

165 166 170 171 171 172 172 173 173

6.7.10 Language Set-up Screen

174

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Chapter 7 Ordinary Electrical Equipment Measurement

Network D Installed

175

7.1 Measurement Network D 176

7.2 Screens (Universal) 177

7.2.1 Initial Screen (Universal)

7.2.2 "Equipment Set-up" Screen (Universal)

7.2.3 Measuring Mode Screen (Universal)

7.2.4 System Screen (Universal)

7.2.5 Flow of Screens for Basic Operations (Universal)

178 178 180 181 183

7.3 Enclosure Leakage Current Measurement Mode (Universal) 184

7.3.1 Enclosure Leakage Current Measurement Mode

7.3.2 Leakage Current Measurement with the Universal Measurement Network

7.3.3 Connecting Equipment for Leakage Current Measurement

7.3.4 Zero Adjustment (Universal - Enclosure Leakage Current)

7.3.5 Basic Settings for Enclosure Leakage Current Measurement (Universal)

184

185 186 188

189

7.3.6 Enclosure Leakage Current Measurement Screen (Universal)

190

7.4 Earth Leakage Current Measurement Mode (Universal) 193

7.4.1 Earth Leakage Current Measurement Mode

7.4.2 Connecting Equipment for Earth Leakage Current Measurement (Universal)

7.4.3 Zero Adjustment (Earth Leakage Current)

7.4.4 Basic Settings for Earth Leakage Current Measurement (Universal)

7.4.5 Earth Leakage Current Measurement Screen (Universal)

193

194 195

196 197

7.5 Low Resistance Measurement Mode (Universal) 200

7.5.1 Low Resistance Measurement Mode

7.5.2 Connecting Equipment for Low Resistance Measurement (Universal)

7.5.3 Basic Settings for Low Resistance Measurement

7.5.4 Low Resistance Measurement Screen

200

201 203 204

7.6 Condition Set-up Window Setting (Universal) 206

7.6.1 Allowable Value Setting (For Leakage Current Measurement)

7.6.2 Allowable Value Setting (For Low Resistance Measurement)

206

208

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7.6.3 Automatic Measurement Setting (Universal) 210

7.6.4 Measurement Current Setting (Universal)

7.6.5 Printing out the Maximum Values (Universal)

7.6.6 Saving the Maximum Values (Universal)

7.6.7 Low Resistance Measurement with 3157

214 215 216 217

7.7 System Screen (Universal) 219

7.7.1 System Screen

7.7.2 Saved Data Reference Screen (Universal)

7.7.3 Initialization Screen

7.7.4 Allowable Value Judgment Set-up Screen

7.7.5 Beep Sound Set-up Screen

7.7.6 Communications Set-up Screen

7.7.7 Printer Set-up Screen

7.7.8 Time and Date Set-up Screen

7.7.9 Self-test Screen

7.7.10 Language Set-up Screen

219 220 224 225 225 226 226 227 227 228

Chapter 8 Command Reference 229

8.1 Overview 229

8.2 Specifications 229

8.3 Names of Parts 230

8.4 Connecting Method 231

8.5 Operation 233

8.5.1 Communication Conditions Setting

8.5.2 Communication Methods by the RS-232C

8.5.3 Message Format

8.5.4 Headers

8.5.5 Data Formats

8.5.6 Delimiters

8.5.7 Separators

8.5.8 Abbreviating Messages with Compound Headers

8.5.9 Output Queue

8.5.10 Input Buffer

233 234 235 236 237 238 238 239 240 240

8.5.11 Error Register

241

8.6 Command Summary 242

8.7 Initialization Items 244

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8.8 Command Reference 245

8.8.1 Format of Command Explanations 245

8.9.2 Commands 246

8.9 Reading in All the Saved Data 285

8.10 Sample Programs 286

8.11 Troubleshooting 293

Chapter 9 Specifications 295

9.1 General Specifications 295

9.2 Measuring Mode Specifications 297

9.2.1 Leakage Current Measurement

9.2.2 Low Resistance Measurement

9.2.3 Monitor Function

297 298 298

9.3 Accuracy Tables 299

Chapter 10 Maintenance and Servicing 303

10.1 Maintenance and Inspection 303

10.2 Fuse Replacement 304

10.2.1 Replacement of the 3155 Power Source Fuse

10.2.2 Replacement of the Measurement Network Fuse

10.2.3 Replacement of the 9196 APPLY UNIT Power Source

Fuse

10.3 Troubleshooting 307

10.4 System Reset 308

10.4.1 Resetting the system

10.4.2 Default Settings

304 305

306

308 309

10.5 Ultimate Disposal 312

10.6 External Dimensions 314

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Appendices 315

Appendix 1 Error Messages 316 Appendix 2 Leakage Current Measurement 317

Appendix 2.1 IEC 60601-1 (1988-12) + am1 (1991-11) +

am2 (1995-03)

2.1.1 Earth Leakage Current

2.1.2 Enclosure Leakage Current

2.1.3 Patient Leakage Current

2.1.4 Patient Leakage Current

2.1.5 Patient Leakage Current

2.1.6 Patient Auxiliary Current Appendix 2.2 IEC 60950 (1991-10) + am4 (1996-07)

319 320 321

Appendix 3 Standards for Leakage Current and Current

Measurements

Appendix 3.1 When the 9497 NETWORK B is installed

3.1.1 Medical Electrical Equipment Part 1: General Requirements of Safety (IEC 60601-1 (1988-12) + am1

(1991-11) + am2 (1995-03))

Appendix 3.2 When the 9498 NETWORK C is Installed

3.2.1 Methods of Measurement of Touch-current and

317 317 318

322 323

327 327

327 328

Protective Conductor Current (IEC/TR 60990 (1990-06))

3.2.2 Safety of Information Technology Equipment (IEC 60950 (1991-10) + am4 (1996-07))

3.2.3 IEC 61010-1 (1990-09) + am1 (1992-09) + am2 (1995-07)

328

330

332

Appendix 4 Glossary (Extracted from IEC 60601-1(1988-12)

+ am1 (1991-11) + am2 (1995-03)) 333

Appendix 5 Assembling the Supplied Power Plug 336

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ntroduction

Thank you for purchasing this HIOKI "3155 LEAK CURRENT HiTESTER." To get the maximum performance from the unit, please read this manual first, and keep this at hand.

nspection

When the unit is delivered, check and make sure that it has not been damaged in transit. If the unit is damaged, or fails to operate according to the specifications, contact your dealer or HIOKI representative.

Checking the main unit and accessories

Main unit

"3155 LEAK CURRENT HiTESTER"

NOTE

Accessories

Verify that the following standard accessories are complete. (1) Grounded three-core power cord (2) 9170 TEST LEADS (3) Instruction Manual (4) 9195 ENCLOSURE PROBE (5) Spare fuse 3155 (120 V): 250 V T0.5 AL

3155 (200/240 V): 250 V T0.25 AL 3155-01: 250 V T0.2 AL (6) 9233 RECORDING PAPER (1 roll) (7) 9399 CARRYING CASE (for accessories) (8) Alligator clips (red and black) (9) Outlet power plug (3155 (200/240 V), 3155-01) (10) Voltage selector key (3155-01 only) 2

The NETWORKS (9497 to 9499), 9461 PIN- TYPE LEADS, 9287 CLIP-TYPE LEADS, and 9196 APPLY UNIT are not included. Please purchase separately according to your needs.

Shipment of the unit

If reshipping the unit, preferably use the original packing.

Warranty

HIOKI cannot be responsible for losses caused either directly or indirectly by the use of the 3155 with other equipment, or if ownership is transferred to a third party.

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Introduction

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afety Notes

DANGE

This Instruction Manual provides information and warnings essential for operating this equipment in a safe manner and for maintaining it in safe operating condition. Before using this equipment, be sure to carefully read the following safety notes.

This equipment is designed according to IEC 61010-1 Safety Standards, and has been tested for safety prior to shipment. During high voltage measurement, incorrect measurement procedures could result in injury or death, as well as damage to the equipment. Please read this manual carefully and be sure that you understand its contents before using the equipment. The manufacturer disclaims all responsibility for any acciden or injury except that resulting due to defect in its product.

Safety symbols

・This symbol is affixed to locations on the equipment where the

operator should consult corresponding topics in this manual (which are also marked with the functions of the equipment.

・In the manual, this mark indicates explanations which it is

particularly important that the user read before using the equipment.

symbol) before using relevant

Indicates a fuse. Indicates a grounding terminal. Indicates DC (Direct Current). Indicates AC (Alternating Current). Indicates both DC (Direct Current) and AC (Alternating Current). Indicates the ON side of the power switch. Indicates the OFF side of the power switch.

The following symbols are used in this Instruction Manual to indicate the relative importance of cautions and warnings.

DANGE

WARNIN

Indicates that incorrect operation presents extreme danger of accident resulting in death or serious injury to the user.

Indicates that incorrect operation presents significant danger of acciden resulting in death or serious injury to the user.

CAUTIO

NOTE

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Safety Notes

Indicates that incorrect operation presents possibility of injury to the user or damage to the equipment.

Denotes items of advice related to performance of the equipment or to its correct operation.

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otes on Use

In order to ensure safe operation and to obtain maximum performance from the unit, observe the cautions listed below.

Before measurement

WARNIN

Before turning on the power, make sure that the voltage of the power supply being used matches the supply voltage indicated on the rear panel of the unit. (3155: specified at order, 3155-01: set by the voltage selector)

If an attempt is made to use an improper supply voltage, there is danger of damage to this unit and of life-threatening risk to the operator.

The unit is constructed so as to be connected to a ground line via a three-core power cord that is supplied with the unit. In order to avoid electric shock, connect the unit to a properly grounded (3-pin) outlet using the power cord provided.

Before using the unit, make sure that the sheathing on the leads / probes is not damaged and that no bare wire is exposed. If there is damage, using the unit could cause electric shock. Replace the lead / probe with the specified 9195 or 9170, or optional 9461 or 9287.

To avoid the danger of electric shock, never operate the unit with a measurement network removed.

Do not swithc the voltage selector when the power is turned on.

CAUTIO

NOTE

Do not press hard upon the touch screen, or operate it using a hard object or one with a sharp end. Doing so could scratch or damage the screen or the soft keys.

・Of the three optional Measurement Networks (9497, 9498 and 9499), one

must be installed with the 3155 or no measurements can be made. If the power to the 3155 is turned on without having installed one of the networks, the message ’Measurement Network not installed.’ will appear on the LCD. In which case, please install a measurement network as described in Section

4.1, "Installing the Measurement Network."

・Because the current consumption monitor is AC coupled, errors occur when

measuring an AC current which includes a DC offset. (Example: half-wave rectified current)

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Notes on Use

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Connection

CAUTIO

・In order to avoid electric shock, turn off the power to all devices before

plugging in or unplugging the measurement network or RS-232C connector.

・When unplugging the power cord from the power receptacle or from the unit,

grasp the plug, not the cord, in order to avoid damaging the cable.

・To avoid damaging the leads or probes, do not bend or pull the leads or

probes.

・Use caution when taking measurements in circuits where the power line are

hot.

・For safety reasons, only use the 9195 or 9170 probe / test lead provided with

the unit, or the optional 9461 or 9287 for measurement.

・The changing of the function when replacing the test terminals requires

disconnection of the test leads from the equipment being measured and then the disconnection of the test leads from the terminals.

・To avoid damage to the unit, do not short the output terminal and do not

input voltage to the output terminal.

・Use the unit near the power receptacle.

During measurement

WARNIN

The 9196 APPLY UNIT used in the measurement of enclosure leakage current, patient leakage current

and patient leakage current continuously outputs voltage while the voltage application button is being pressed. Care is required to avoid accidents caused by electrical shock.

The leakage current measurement terminals, the resistance measurement terminals and the RS-232C connector are not insulated. Handle these items carefully in order to avoid electric shock or a short circuit accident.

If the end of a lead or a probe short-circuits lines with a voltage between them, this is very dangerous and can lead to a serious accident. Exercise great care when measuring voltages.

In the event that the equipment malfunctions in any manner during use, turn off the power immediately, and contact your dealer or HIOKI representative.

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Notes on Use

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Monitor lamps

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Input

DANGE

NOTE

When the power to the 3155 is turned on, if the MON2 and MON3 lamps are illuminated, an accurate measurement can be obtained. (The unit can also be wired so that MON1 and MON2 illuminate.) For details, refer to Section 4.3, "Powering on and off the Unit."

To avoid electric shock and damage to the unit, do not input a voltage exceeding the permissible common mode voltage to the leakage current measurement terminals. The permissible common mode voltage is 250 V (DC+AC peak). (In the 50 μA range, 20 V (DC+AC peak))

CAUTIO

Replacement

WARNIN

When the power is turned off, do not apply voltage or current to the leakage current measurement terminals or resistance measurement terminals. Doing so may damage the unit.

Only use fuses of the specified type that is rated for the specified current and voltage. Using a fuse that does not meet the specifications or shorting the fuse holder may cause an accident that might result in injury or death. (120 V: 250 V T0.5 AL, 200/240 V: 250 V T0.25 AL 20 mm × 5 mm dia. (3155)) (110 to 120/200/240 V: 250 V T0.2 AL 20 mm × 5 mm dia. (3155-01))

When replacing the fuse and measurement network, always power off the unit.

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Notes on Use

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Operating environment

WARNIN

NOTE

To prevent electric shock, do not allow the unit to become wet and do not use the unit when your hands are wet.

The interior of the 3155 contains some components which are subject to high voltage, and therefore dangerous. Absolutely do not remove the cover panel. In particular, be careful of the 9196 APPLY UNIT, which is subject to high voltage.

To avoid damage to the unit, do not subject the equipment to vibrations or shocks during transport or handling. Be especially careful to avoid dropping the equipment.

The unit should always be operated indoors in a range from 5℃ to 40℃ and 35% to 80% rh. Do not use the unit in direct sunlight, dusty conditions, or in the presence of corrosive gases.

Do not use the unit near any device which generates strong electromagnetic radiation or near a static electrical charge, as these may cause errors.

・Accurate measurement may be impossible in locations subject to strong

external magnetic fields, such as transformers and high-current conductors, or in locations subject to strong external electric fields, such as radio transmission equipment.

・Do not use the 3155 in operating rooms, ICUs, CCUs or other areas where

an isolated electrical supply is used. To do so will result in inaccurate readings.

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Notes on Use

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Printer and recording paper

Printer

・Using the printer in a high-temperature or high-humidity environment

should be avoided at all costs. This can seriously reduce the printer life.

・Because the thermal printing head is subject to high temperatures during

printing, do not touch the head itself or its support sections either during or directly after printing. Care is also necessary when replacing the paper or during maintenance. For paper replacement, refer to Section 4.4, "Loading Recording Paper."

・Because the motor is subject to high temperature during operation, do not

touch it either during or directly after printing.

・To prevent the motor from being overheated, do not press the feed switch

continuously for more than 3 minutes.

Recording paper

・This unit uses a thermal printer. The recording paper supplied has

characteristics finely tuned for use with the printer. Using recording paper of a different specification may not only result in impaired printing quality, but even prevent the printer from operating. Always use the HIOKI specified product.

・If light reaches the paper over a long period, the paper will discolor. Do not

unwrap rolls of paper until you are ready to use them.

・The recording paper uses a thermochemical reaction. Note the following

points:

・To avoid discoloration, do not leave recording paper in direct sunlight.

Store at not more than 40℃ and 90% rh.

・To keep definitive data, make photocopies of the recordings. ・If the thermal paper absorbs an organic solvent such as alcohols or

ketones it may no longer develop properly, and recorded information may fade. Soft PVC film and transparent contact adhesive tape contain such solvents, so avoid using them with recordings.

・Avoid interleaving the thermal recordings with damp diazo copies.

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Notes on Use

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ontents of this Manual

The operating methods of the 3155 LEAK CURRENT HiTESTER will vary depending upon the type of measurement network used. The various operating methods for each type of measurement network are shown in Chapters 5 to 7. Although there is some repetition between chapters, to ensure safe operation please read thoroughly the chapter pertaining to the measurement network you use.

Chapter 1: Overview

Gives an overview and features of the unit.

Chapter 2: Names of Functions of Parts

Describes the names and functions of the parts of the unit.

Chapter 3: Options

Describes the options (measurement networks and application units) of the unit.

Chapter 4: Preparations for Measurement

Describes the installation and preparatory work.

Chapter 5: Medical Electrical Equipment Measurement

(9497 NETWORK B installed) Describes the medical electrical equipment measurement.

Chapter 6: Ordinary Electrical Equipment Measurement (for IEC/TR 60990)

(9498 NETWORK C installed) Describes the ordinary electrical equipment measurement (for IEC/TR 60990).

Chapter 7: Ordinary Electrical Equipment Measurement (Universal)

(9499 NETWORK D installed) Describes the ordinary electrical equipment measurement (universal).

Chapter 8: Command Reference

Describes the RS-232C communications and their operation examples.

Chapter 9: Specifications

Contains the unit specifications such as the general specifications, measurement ranges, accuracy, etc. of the unit.

Chapter 10: Maintenance and Servicing

Covers the maintenance and servicing.

Appendices: Covers the error messages, leakage current measurement,

standards and glossary.

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Contents of this Manual

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Chapter

.1 Product Introduction

The HIOKI 3155 LEAK CURRENT HiTESTER is a leakage current measuring instrument for use in testing electrical equipment used in a wide variety of applications from computers to medical care. Not only does it conform to all standards for testing medical electrical equipment, but also to laws and standards applicable to equipment for non-medical care as well. By using one of three (optional) measurement networks that simulate the human body, measurements that conform to a variety of laws and standards for electrical equipment can be made. Once the measurement network for the equipment to be measured is attached, a measurement screen conforming to the applicable requirements is displayed. By using the ’touch keys’ on the screen, measurements are easily made. (For patient leakage current current, the 9196 APPLY UNIT is necessary.) To ensure safety in the use of electrical equipment, a wide variety of tests for characteristics such as insulation resistance, earth resistance, leakage current, etc., need be made. The 3155 is designed to be used in leakage current testing in a variety of fields.

Overvie

, patient leakage current and enclosure leakage

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1.1 Product Introduction

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Used by:

Manufacturers of medical electrical equipment For formal inspections and pre-shipping inspections Sales agents of medical electrical equipment For inspection and maintenance Personnel performing repairs on medical electrical

equipment Clinical engineering technologists at hospital For inspection and maintenance Clinical engineering technologists training schools For educational purposes Electrical contractors qualified to install operating

rooms, ICUs and CCUs Public agencies For formal inspections Manufacturers of electrical equipment For formal and pre-shipping inspections Users of electrical equipment For inspection and maintenance Electrical contractors For inspection and maintenance Electrical repair technicians For inspection and maintenance Manufacturers of electrical components For formal and pre-shipping inspections Manufacturers of electric generators For formal and pre-shipping inspections

For inspection and maintenance

For inspections of insulated transformers

.2 Features of the 3155

(1) Measurement networks that conform to a variety of laws and standards

In order to perform a variety of tests that conform to the various laws and standards applicable to leakage current testing, it is necessary to utilize a measurement network that simulates the human body when making measurements. Different measurement networks conform to different laws and standards:

9497 NETWORK B: IEC 60601-1 9498 NETWORK C: IEC/TR 60990 9499 NETWORK D: IEC 60065, IEC 60335-1, UL

These measurement networks can also be used to perform tests that conform to a variety of other standards as well. For details, refer to Section 3.1, "Measurement Networks."

(2) Superior operability

All operations are performed via the display screen touch panel. The operational keys are displayed on the screen for interactive operation.

(3) Measuring mode

Once a measurement network has been attached to the back of the 3155 unit and the power is turned on, the measuring modes available in that network are displayed on the screen.

Earth leakge current Enclosure leakage current Patient leakage current Patient leakage current Patient leakage current Patient auxiliary current Low resistance measurement

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1.2 Features of the 3155

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(4) Leakage current measurement

The user can select a measuring mode from the ones available in the measurement network. The configuration of the instrument will also effect which modes are available. The necessary modes are displayed from

(5) Low resistance measurement

Low resistance measurement of a protective earth conductor is performed at a current of 25 AAC or DC as prescribed in all standards. The 3155 is equipped with a DC 4-terminal method measurement (at 100 mADC max.) function for easy measurement. Measurement is also possible using RS-232C interfacing with the 3157 AC GROUNDING HiTESTER (max. 31A AC, conforming to various standards), available separately.

(6) Interface

An RS-232C interface is standard equipment to allow for easy transfer of measurement data to a computer.

(7) Built-in printer

The built-in thermal serial printer allows for easy printout of saved data.

(8) Monitor function

Equipped with a line voltage and current consumption monitor.

(9) Voltage selector (3155-01 only)

The equipment with the power voltages of 110 to 240 V can be measured with a single unit.

to .

────────────────────────────────────────────────────

1.2 Features of the 3155

Page 24

────────────────────────────────────────────────────

.3 Measuring Mode of the 3155

The 3155 has been designed with the idea in mind that leakage current testing is the most important of all tests for electrical safety. In particular, for medical electrical equipment, leakage current has the greatest potential for harming human beings, and is therefore strictly regulated even with regard to single fault conditions. Through the use of measurement networks B, C and D, the 3155 can perform leakage current testing for all types of electrical equipment from ordinary electrical equipment to medical electrical equipment. For details, refer to Section 3.1, "Measurement Networks."

NOTE

Measurement network type 9497 NETWORK B

9498 NETWORK C

9499 NETWORK D

Earth leakage current Enclosure leakage current Patient leakage current Patient leakage current Patient leakage current Patient auxiliary current Low resistance measurement

Earth leakage current Enclosure leakage current Low resistance measurement

Setting for normal condition or single fault conditions is possible. The polarity

Available measuring modes

of the power source can also be set. The voltage input from the power inlet is directly output to the auxiliary outlet for the equipment to be measured. When testing with the 110% power voltage, input it to the power inlet.

Leakage current route of the medical electrical equipment (ME equipmen

Faulty ME equipmen

Signal input an

Medical outle

Eart

output parts

3-P plu

Protective earth conducto

Earth leakage curren

Enclosure leakage curren

ME equipmen

Patient leakage current

For details, refer to Appendix 2, "Leakage Current Measurement."

────────────────────────────────────────────────────

1.3 Measuring Mode of the 3155

Page 25

)

r y

────────────────────────────────────────────────────

.4 Leakage Measurement Types

Earth leakage current

(ordinary electrical equipment or medical electrical equipment)

A current between the protective eart terminal and the earth is measured.

Enclosure leakage current (ordinary electrical equipment or medical electrical equipment)

Currents between the enclosure an the earth, and between parts of the enclosure are measured.

Patient leakage current (medical electrical equipment

A current is measured betwee the applied and the earth.

Normal condition Single fault condition

Normal conditio Single fault condition

Normal conditio Single fault conditio

Interruption of on supply conductor

Interruption of a protectiv earth conductor

A voltage equivalent to 110% of the maximum rated voltage is applied between the signal input o output part which is not protectivel earthed and the earth (medical electrical equipment only)

Interruption of on supply conductor

Interruption of a protectiv earth conductor

Patient leakage current (medical electrical equipment

A current is measured betwee the applied part and the earth.

Patient leakage current (medical electrical equipment

A current is measured betwee the F-type applied part and the faulty equipment.

Patient auxiliary current (medical electrical equipment

A current is measured betwee parts of the applied part.

NOTE

・Measurements including the combined single fault conditions is not possible. ・The optional 9196 APPLY UNIT is required to apply a voltage equivalent to

110% of the maximum rated voltage.

Single fault condition

Normal conditio Single fault conditio

A voltage equivalent to 110% of the maximum rated voltage is applied between the signal input o output part which is not protectivel earthed and the earth (medical electrical equipment only)

A voltage equivalent to 110% of the maximum rated voltag is applied between the F-type applied part and the earth.

Interruption of on supply conductor

Interruption of a protectiv earth conductor

────────────────────────────────────────────────────

1.4 Leakage Measurement Types

Page 26

)

) )

────────────────────────────────────────────────────

.5 Standards Regarding Leakage Current

The measurement network you use will vary depending upon the standards to which you must conform. There are instances where testing for leakage current is required by standard to be included in formal testing, or in ownership transfer testing as well.

Standard

NOTE

Medical electrical equipmen

Electrical measuring instrumen

Electrical equipmen

The standards above are subject to amendment. For details, refer to each standard.

IEC 60950 (1991-10) + am4 (1996-07), IEC/TR 60990 (1990-06),

IEC 60065 (1998-07), IEC 60335-1 (1991-06) + am1 (1994-11

IEC 60601-1 (1988-12) + am1 (1991-11 + am2 (1995-03)

IEC 61010-1 (1990-09) + am1 (1992-09 + am2 (1995-07)

────────────────────────────────────────────────────

1.5 Standards Regarding Leakage Current

Page 27

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Chapter

Names and Functions

Par

────────────────────────────────────────────────────

Page 28

Enlarged diagram of the terminal section

────────────────────────────────────────────────────

Top view

Liquid crystal display

This 5-inch display includes a touch panel which performs the role of the input keys.

Monitor lamps

The condition of elements such as the power line ground are indicated by these monitor lamps. When the power to the 3155 is turned on, if the MON2 and MON3 lamps are illuminated, an accurate measurement can be obtained. (The unit can also be wired so that MON1 and MON2 illuminate.) For details, refer to Section 4.3, " Powering on and off the Unit."

Leakage current measurement terminals

There are three terminals available.

G: G terminal (connects to the earth terminal

of the equipment to be measured)

T1: Leakage current measurement terminal T1

(Location of connection to the equipment to be measured varies with the measuring mode.)

T2: Leakage current measurement terminal T2

(Location of connection to the equipment to be measured varies with the measuring mode.)

Right side view

Resistance measurement terminals

There are four terminals available.

SOURCE(+), SENSE(+), SENSE(-), SOURCE(-)

The SOURCE banana plug of the 9461 or 9287 is to be connected to SOURCE, and the SENSE to SENSE.

Contrast adjustment knob

Use this knob to adjust the screen contrast.

RS-232C connector (Dsub 9 pin male)

Connect a RS-232C cable here to communicate with an external controller such as a computer.

Auxiliary power socket (for the equipment to be measured)

(earthed 3-pin socket - 1500 VA max.) Plug the equipment to be measured in here. Outputs the voltage input from the power inlet

directly. When testing with the 110% power voltage, input it to the power inlet

Use the supplied power plug for connection.

────────────────────────────────────────────────────

Page 29

101312

3155

101413

3155-01

Voltage selector key

────────────────────────────────────────────────────

Left side view

Front view

Internal printer

Prints out the measurement results etc.

Handle

This is used for transporting the 3155.

Rear view

Main power switch

Powers the 3155 on（｜）or off（○）. (With the 3155-01, includes the function of the auxiliary power outlet circuit breaker.)

Fuse holder

Insert the proper fuse here, as indicated on the label.

Auxiliary power outlet circuit breaker (3155 only)

In the event that the current to the auxiliary power outlet will trip. ON（｜）: Current is being supplied to the auxiliary power outlet. OFF（○）: Current is not being supplied to the auxiliary power outlet.

Power inlet

Connect the grounded three-core power cord supplied here.

exceeds 1500 VA, this breaker

────────────────────────────────────────────────────

Voltage selector key (3155-01 only)

Insert the supplied voltage selector key into

the keyhole of the voltage selector, and select

the power voltage by setting it to the required

power voltage.

For details, refer to Section 4.2, " Power Cord

Connection."

Page 30

────────────────────────────────────────────────────

Auxiliary power outlet circuit breaker

The unit uses the medium-speed breaker for the rush current of the equipment to be measured. Refer to the following table for breaking characteristics.

Bottom view

Measurement network socket

Use this socket to attach the measurement network that conforms to your needs. The following measurement networks are available:

a. 9497 NETWORK B: Medical electrical

equipment

b. 9498 NETWORK C: IEC/TR 60990 c. 9499 NETWORK D: IEC 60065, IEC 60335-1,

NOTE

For measurement networks, refer to Section 3.1, "Measurement Networks," and for installation, Section 4.1, "Installing the Measurement Network."

────────────────────────────────────────────────────

Page 31

161718

To the auxiliary power socket

Changing the power source polarity

interruption of a protective

earth conductor

interruption of one supply conductor

From the power inlet

H (L)

C (N)

GGC (N)

H (L)

────────────────────────────────────────────────────

Interior of the built-in printe

Inside the changeover box

A changeover box is built into the 3155. It is built between the power inlet and the auxiliary power socket. It outputs changing the power source polarity and the condition. So the power source polarity (normal or reverse polarity) can be changed easily, and the single fault condition (interruption of one supply conductor or interruption of a protective earth conductor) can be set easily.

Printer cover

Recording paper holder

Paper feed

Feed switch

────────────────────────────────────────────────────

Page 32

Outlet

T1T2G

Auxiliary power outlet

Measurement network

Protective earth terminal

3155

Outlet

T1T2G

Auxiliary power outlet

Measurement network

Protective earth terminal

3155

Outlet

Auxiliary power outlet

Measurement network

Protective earth terminal

3155

────────────────────────────────────────────────────

Connections of G, T1 and T2

(1) In the earth leakage current measurement mode

G and the earth electrode of the auxiliary power outlet are connected to one side of the measurement network.

The other side of the measurement network is connected through the protective earth terminal and its conductor to the ground.

(2) In the enclosure leakage current mode (contact condition: between the enclosure

and the earth) and patient leakage current measurement modes

T2 is connected to one side of the measurement network. The other side of the measurement network is connected through the

protective earth terminal and its conductor to the ground.

(Class , equipment) and

G and the earth electrode of the auxiliary power outlet are connected through the protective earth terminal and its conductor to the ground.

(3) In the enclosure leakage current mode (contact condition: between parts of the

enclosure (when the 9497 is installed) and between the enclosure and the power line (when the 9498 or 9499 is installed)), patient leakage current

(Internally powered equipment) measurement modes, patient leakage current measurement mode and patient auxiliary current measurement modes

T2 is connected to one side of the measurement network. T1 is connected to the other side of the measurement network. G and the earth electrode of the auxiliary power outlet are connected through

the protective earth terminal and its conductor to the ground.

────────────────────────────────────────────────────

Page 33

Ｖ

0.1%

10 kΩ±0.1%

0.015 μF

Ｖ

3 s

────────────────────────────────────────────────────

Chapter

.1 Measurement Networks

Please choose one of the three measurement networks that simulate the human body to perform measurements conforming to standards for electrical equipment to be tested. The measurement networks cannot be used separately, but must always be installed on the 3155. For the installation procedure, refer to Section 4.1, "Installing the Measurement Network," and for the fuse replacement, Section 10.2.2, "Replacement of the Measurement Network Fuse."

Option

.1.1 9497 NETWORK B (for the Medical Electrical Equipment)

This measurement network is for the medical electrical equipment. Measurement network B conforms to the following standard: Medical electrical equipment Part 1: General requirements of safety (IEC 60601-1 (1988-12) + am1 (1991-11) + am2 (1995-03)) By installing on the 3155 and making the appropriate settings from the screen, a configuration with a network with frequency characteristics for ON, and a network with only 1 kΩ of uninduced resistance for OFF is established.

kΩ

1kΩ±0.1%

Network with frequency characteristic (ON)

Network with only 1 kΩ of uninduce resistance (OFF)

────────────────────────────────────────────────────

3.1 Measurement Networks

Page 34

Ｖ

1.5 kΩ

0.1%

0.22 μF 1%

500 Ω

0.1%

0.0062μF 1%

20 kΩ

0.1%

0.0091μF 1%

10kΩ±0.1%

Ｖ

0.022μF 1%

μF

0.1%

500 Ω

0.1%

1.5 kΩ

0.1%

0.22 μF 1%

500 Ω

0.1%

10 kΩ±0.1%

)

────────────────────────────────────────────────────

Specifications

Standard Medical electrical equipment Part 1: General requirements ofsafety (IEC 60601-1

(1988-12) + am1 (1991-11) + am2 (1995-03))

Measuring circuit

Basic measuring element 1 kΩ, frequency characteristics ±0.5% (DC to 1 MHz)

configuration Low pass filter function (1MΩ load with input protection fuse shorted)

Filter configuration (ON setting): RC filter (10 kΩ+15 nF) Cutoff frequency, fc (at -3 dB): 1061 Hz±16 Hz Passband attenuation: 0 dB±2% (at 100 Hz) Attenuation: -20 log (f/fc) ±1dB (10 kHz≦f≦1 MHz) Filter setting: On/off switch (off: 1 kΩ only)

Approved tolerances

±0.1% for resistance, ±1% for capacitor

for element Fuse 250 V T0.032 AL 20 mm×5 mm dia. Dimensions and mass 140W × 35H × 29D mm(5.51"W × 1.38"H × 1.14"D), approx. 70 g(2.5 oz.) Accessories Instruction Manual, spare fuse

.1.2 9498 NETWORK C (for IEC/TR 60990)

This measurement network conforms to IEC/TR 60990. Measurement network C conforms to the following standard: Methods of measurement of touch-current and protective conductor current (IEC/TR 60990 (1990-06)) By installing on the 3155 and making the appropriate settings from the screen, a configuration with a body impedance network for OFF, a perception and reaction network for ON1, and a let-go network for ON2 is established.

.5 k

.22

Body impedance network (OFF

Let-go network (ON2

Perception and reaction network (ON1

────────────────────────────────────────────────────

3.1 Measurement Networks

Page 35

────────────────────────────────────────────────────

Installation of measurement network C will enable leakage current testing that conforms to the following standards: ・Safety requirements for electrical equipment for measurement, control, and

laboratory use Part 1: General requirements (IEC 61010-1 (1990-09) + am1 (1992-09) + am2 (1995-07))

・Safety of information technology equipment (IEC 60950 (1991-10) + am4

(1996-07))

・Audio, video and similar electronic apparatus - Safety requirements (IEC

60065 (1998-07))

・Applicable UL standards：（Examples：UL1419, UL3101-1, UL3111-1, etc.）

Specifications

Standard Methods of measurement of touch-current and protective conductor current

(IEC/TR 60990 (1990-06))

Measuring circuit configuration

Filter configuration and characteristics

Basic measuring element 1.5 kΩ+500 Ω

(1MΩ load with input protection fuse shorted) OFF setting: High pass filter

Cutoff frequency (at -3 dB): 1805 Hz±27 Hz Passband attenuation: 0 dB±2% (at 100 kHz) Low-frequency attenuation: -12 dB±0.3 dB (at 100 Hz)

ON1 setting: (perception) 10 kΩ+22 nF

Passband attenuation: -12 dB±0.3 dB (at 100 Hz) High-frequency attenuation: -42.8 dB±1 dB (at 100 kHz)

ON2 setting: (let-go) 10 kΩ+(20 kΩ+6.2 nF)//9.1 nF

Passband attenuation: -12 dB±0.3 dB (at 100 Hz) High-frequency attenuation: -35.1 dB±1 dB (at 100 kHz)

Approved tolerances for element

Fuse 250 V T0.032 AL 20 mm×5 mm dia. Dimensions and mass 140W × 35 H × 29D mm(5.51"W × 1.38"H × 1.14"D), approx. 90 g(3.2 oz.) Accessories Instruction Manual, spare fuse

±0.1% for resistance, ±1% for capacitor

────────────────────────────────────────────────────

3.1 Measurement Networks

Page 36

1. kΩ

0.1%

0.15 μF 2%

1.5 kΩ

0.1%

2kΩ

0.1%

Network of 2 kΩ (2 kΩ)

Network of 1 kΩ (1 kΩ)

Network of 1.5 kΩ and 0.15 μF (1.5 kΩ)

────────────────────────────────────────────────────

.1.3 9499 NETWORK D (Universal)

This is a universal measurement network. Measurement network D conforms to the following standards: Safety of household and similar electrical appliances - Part 1: General requirements (IEC 60335-1 (1991-06) + am1 (1994-11)) Applicable UL standards: By installing on the 3155 and making the appropriate settings from the screen, a configuration with a network of 1 kΩ for 1 kΩ, a network of 1.5 kΩ and 0.15 μF for 1.5 kΩ, and a network of 2 kΩ for 2 kΩ is established.

In addition, there are many applicable standards.

Specifications

Standard Safety of household and similar electrical appliances - Part 1:

General requirements (IEC 60335-1 (1991-06) + am1 (1994-11))

Applicable UL standards: (Examples: UL471, UL1310, UL1437, UL1492, etc.)

Measuring circuit configuration/accuracy

Filter configuration and characteristics

Approved tolerances for element

Fuse 250 V T0.032 AL 20 mm×5 mm dia. Dimensions and mass 140W × 35 H × 29D mm(5.51"W × 1.38"H × 1.14"D), approx. 80 g(2.8 oz.) Accessories Instruction Manual, spare fuse

(a) Network of 1 kΩ

Impedance: 1 kΩ±0.5% (DC to 1 MHz)

(b) Network of 1.5 kΩ and 0.15 μF

Impedance: Theoretical value±0.5% (DC≦f≦400 Hz)

Theoretical value±(2%+1Ω) (400 Hz＜f≦1 MHz)

Cutoff frequency (at -3 dB): 707 Hz±15 Hz

Impedance: 2 kΩ±0.5% (DC to 1 MHz)

(1MΩ load with input protection fuse shorted) OFF setting: High pass filter

Cutoff frequency (at -3 dB): 1805 Hz±27 Hz Passband attenuation: 0 dB±2% (at 100 kHz) Low-frequency attenuation: -12 dB±0.3 dB (at 100 Hz)

ON1 setting: (perception) 10 kΩ+22 nF

Passband attenuation: -12 dB±0.3 dB (at 100 Hz) High-frequency attenuation: -42.8 dB±1 dB (at 100 kHz)

ON2 setting: (let-go) 10 kΩ+(20 kΩ+6.2 nF)//9.1 nF

Passband attenuation: -12 dB±0.3 dB (at 100 Hz) High-frequency attenuation: -35.1 dB±1 dB (at 100 kHz)

±0.1% for resistance, ±2% for capacitor

────────────────────────────────────────────────────

3.1 Measurement Networks

Page 37

)

────────────────────────────────────────────────────

ypical frequency response graphs of measurement networks

9497 NETWORK B

9498 NETWORK C

9499 NETWORK D Impedance vs input frequency (1.5 kΩ//0.15 μF

────────────────────────────────────────────────────

3.1 Measurement Networks

Page 38

────────────────────────────────────────────────────

.2 9196 APPLY UNIT

.2.1 9196 APPLY UNIT

The 9196 APPLY UNIT is an instrument which outputs 110% of the input power voltage. Also, it has a function to break the circuit to prevent damage to the equipment to be measured and electric shock to the user if an output current exceeding 6 mA. Combined with the 3155 LEAK CURRENT HiTESTER, it is used to test leakage current in medical electrical equipment. Leakage current from medical electrical equipment has the greatest potential for harming human beings, and is therefore strictly regulated even with regard to single fault conditions. The following 6 types of testing for leakage current in medical electrical equipment are available.

Earth leakage current Enclosure leakage current Patient leakage current Patient leakage current Patient leakage current Patient auxiliary current

The 9196 is used in testing for types

, , and .

NOTE

For the fuse replacement, refer to Section 10.2.3, "Replacement of the 9196 APPLY UNIT Power Source Fuse."

────────────────────────────────────────────────────

3.2 9196 APPLY UNIT

Page 39

────────────────────────────────────────────────────

.2.2 Names and Functions of the Parts of the 9196 APPLY

UNIT

Front view

Main power switch (POWER)

Powers the 9196 on and off.

Main power monitor (POWER MONI): Clear monitor lamp

The status of the main power is shown by this monitor lamp. If illuminated, the power is ON. If not illuminated, the power is OFF.

Polarity toggle switch (POLARITY)

This switch is used to toggle the polarity of the voltage output from the voltage application probe. (in respect to the voltage input from the power inlet) NORMAL: Polarity conforms with that of the voltage input from the power

inlet.

REVERSE: Polarity does not conform with that of the voltage input from the

power inlet.

Type toggle switch (TYPE)

Changes per the type of applied part of the equipment to be measured to which voltage is applied. B/BF: No protective resistance connected to the output point of the voltage

application probe.

CF: Protective resistance (10 kΩ) connected to the output point of the voltage

application probe in series.

Main power switch indication: ｜:ON ○: OFF

NOTE

────────────────────────────────────────────────────

When the type toggle switch of the 9196 APPLY UNIT is set to CF, there is a 10 kΩ protective resistance connected to the output point of the voltage application probe in series. If the leakage current is large, the current flowing from the output point will be subject to a reduction in voltage due to the protective resistance, thereby reducing the actual output voltage.

3.2 9196 APPLY UNIT

Page 40

────────────────────────────────────────────────────

Voltage application probe connection terminal (OUTPUT)

Connect the 9190 VOLTAGE APPLY PROBE.

Output monitor (OUTPUT MONI): Red monitor lamp

The condition of the output to the voltage application probe is shown by this monitor lamp. If illuminated, the output is ON. (The voltage application button to the voltage application probe is being held down.) If not illuminated, the output is OFF.

Handle

Rear view

Fuse

Use the HIOKI specified fuse. (250 V T0.25 AL 20 mm×5 mm dia.)

Power inlet

The rated power voltage of the 9196 is 100 to 240 VAC (45 to 400 Hz), and the maximum rated power is 25 VA. Connect a grounded three-core power cord that is supplied with the unit.

Function earth terminal

If the protective ground terminal cannot be connected to the ground via a grounded three-core power cord supplied, connect the function earth terminal to the ground.

9190 VOLTAGE APPLY PROBE

Voltage application butto

────────────────────────────────────────────────────

3.2 9196 APPLY UNIT

Page 41

────────────────────────────────────────────────────

.2.3 9196 APPLY UNIT Operation

WARNIN

Before turning on the power, make sure that the voltage of the power supply being used matches the supply voltage indicated on the rear panel of the unit. (100 to 240 VAC)

The unit has no protective ground terminal, and is connected to a ground line via a three-core power cord that is supplied with the unit. In order to prevent electric shock, always connect the unit to a properly grounded power outlet using the power cord provided.

The voltage application probe continuously outputs voltage while the voltage application button is being pressed. While it is outputting, or any time that the voltage application button is being pressed intentionally, a dangerous amount voltage is present is at the tip of the probe. To avoid electrical shock, do not touch either the device under test or the probe tip.

Before using the unit, make sure that the sheathing on the probes is not damaged and that no bare wire is exposed. If there is damage, using the unit could cause electric shock. Replace the probe with the specified 9190.

To prevent electric shock, do not allow the unit to become wet and do not use the unit when your hands are wet.

CAUTIO

NOTE

・To avoid damaging the probes, do not bend or pull the probes. ・Do not store or use the unit where it will be exposed to direct sunlight, high

temperatures, high humidity, or condensation. If exposed to such conditions, the unit may be damaged, the insulation may deteriorate, and the unit may no longer satisfy its specifications.

・When unplugging the power cord from the power receptacle or from the unit,

grasp the plug, not the cord, in order to avoid damaging the cable.

・Use the unit near the power outlet.

・The 9196 is only able to operate to its full capability after it has been

properly grounded. Always use the power cord (grounded three-core power cord) that is supplied with the unit to ground the unit.

・If operating the voltage application button to the 9190 VOLTAGE APPLY

PROBE quickly, the main power of the 9196 may be turned off.

(1) Be sure that the main power switch is turned to OFF. (2) Being sure that the power source is of the correct voltage, connect the

grounded three-core power cord provided to the power inlet on the back of the

9196.

────────────────────────────────────────────────────

3.2 9196 APPLY UNIT

Page 42

────────────────────────────────────────────────────

(3) Insert the plug into the outlet. The cord is automatically grounded. (4) Attach the 9190 VOLTAGE APPLY PROBE.

Attach the 9190 VOLTAGE APPLY PROBE provided to the connecting terminal on the front of the 9196.

(5) Turning the power on and off.

1. Turning the power on Set the main power switch on the front of the unit to ON. Verify that the main power monitor lamp is illuminated when the switch is set to ON.

2. Turning the power off Set the main power switch on the front of the unit to OFF.

(6) Applying voltage

1. Make the appropriate settings based on the type and voltage polarity of the equipment to be measured. Set the type based on the type of applied part of the equipment to be measured. B/BF: No protective resistance connected to the output point of the voltage

application probe.

CF: Protective resistance (10 kΩ) connected to the output point of the voltage

application probe in series. Set the voltage polarity. NORMAL: Polarity conforms with that of the voltage input from the power

inlet.

REVERSE: Polarity does not conform with that of the voltage input from the

power inlet.

2. Apply the voltage If the 3155 LEAK CURRENT Hi TESTER and the equipment to be measured are ready, touch the tip of the 9190 VOLTAGE APPLY PROBE to the contact point. After verifying that there is no danger of electrical shock, press the voltage application button to the 9190 VOLTAGE APPLY PROBE with your finger. If the red output monitor lamp is illuminated while pressing the voltage application button, the voltage is being output.

3. Cease application of voltage Release your finger from the voltage application button.

────────────────────────────────────────────────────

3.2 9196 APPLY UNIT

Page 43

────────────────────────────────────────────────────

.2.4 9196 APPLY UNIT Specifications

General specifications

Output function Alternating current (AC V) Output indication Red monitor lamp Power indication Clear monitor lamp Type toggle Toggle switch (B/BF, CF) Polarity toggle Toggle switch (NORMAL /REVERSE) Output configuration Voltage application probe (9190) connector receptacle Additional functions Output control function (power cutoff)

Output only when the voltage application button to the 9190 is being pressed. Dimensions 125W × 75H × 230D mm(4.92"W × 2.95"H × 9.06"D) (excluding projections) Mass Approx. 2.5 kg(88.2 oz.) (excluding accessories) Accessories Grounded three-core power cord

Instruction Manual

9190 VOLTAGE APPLY PROBE Fuse 250 V T0.25 AL 20 mm × 5 mm dia.

Electric characteristics

Rated power voltage 100 to 240 VAC

(Voltage fluctuations of 10% from the rated supply voltage are taken into account.) Rated power frequency45 to 400 Hz Maximum rated power 25 VA Insulation resistance 500 VDC, 100 MΩ min. between power supply and frame Dielectric strength 2.3 kVAC sin (50/60 Hz), 1 minute between power supply and frame Output breaking

current Output voltage 110% voltage of the input supply voltage (VAC) Accuracy ±(1.0% rdg.+1 V)

6 mAAC typical

B/BF range: In a load current of 5 mA or less

CF range: In a load current of 50 μA or less

Environmental conditions

Operating temperature and humidity range

Storage temperature and humidity range

5to40℃(40 to 104。F), 35 to 95% rh (no condensation)

-10 to 50℃(14 to 122。F), 35 to 95% rh (no condensation)

Accuracy assurance 23±5℃(73±41。F), 35 to 80% rh (no condensation) Operating place Indoors, max. 2000 m(6562 feet) height Standards applying EMC EN55011:1991

EN50082-1:1992

EN61000-3-2:1995

EN61000-3-3:1995

Safety EN61010-1:1993+A.2:1995 Pollution Degree 2,

Overvoltage Category (anticipated transient overvoltage 2500 V)

────────────────────────────────────────────────────

3.2 9196 APPLY UNIT

Page 44

Velcro tape

9399 CARRYING CASE (for accessories)

9196 APPLY UNIT and accessories such as the power cord

Instruction manual

────────────────────────────────────────────────────

.3 9388 CARRYING CASE (with Casters)

The 9388 CARRYING CASE (with casters) is made for storage and transport of the 3155. In addition to the 3155, it accommodates accessories, including the optional 9196 APPLY UNIT

Storage of the 3155

In the carrying case, the 3155 is immobilized with Velcro tape. Accessories such as the power cord and optional 9196 APPLY UNIT are housed in a covered case. If necessary, cushioning material may be added to the case to provide extra protection. When storing the 9399 CARRYING CASE (for accessories), position it so that the end with the metal fixtures is oriented toward the top cover of the case. Manuals and other documents can be stored in the top cover.

────────────────────────────────────────────────────

3.3 9388 CARRYING CASE (with Casters)

Page 45

────────────────────────────────────────────────────

Chapter

Preparations fo

Measureme

────────────────────────────────────────────────────

Page 46

────────────────────────────────────────────────────

.1 Installing the Measurement Network

(1) Be sure that both the 3155 and the equipment to be measured are powered off.

Be sure that the power cord, probe, leads etc. are not connected to the 3155.

(2) Attach one of the three optional measurement networks (9497, 9498 and

9499). Hold the measurement network by the two knobs, and insert into the slotted connector on the 3155. After inserting firmly in place, attach the two screws.

NOTE

・After turning on the power, a measurement network is checked.

1. In the event that a measurement network is not installed, or has not been installed properly, the message ’Measurement Network not installed.’ will appear on the liquid crystal display screen.

2. In the event that a fuse of a measurement network is not installed, or is blown, the message ’Measurement Network Fuse blown.’ will appear on the liquid crystal display screen. This message may also appear when the signal is being input to the leakage current measurement terminal T1. Check with nothing connected to the leakage current measurement terminal T1. For the fuse replacement, refer to Section, 10.2.2, "Replacement of the Measurement Network Fuse."

・The type of measurement network currently installed on the 3155 can be

verified by opening the ’Measurement Network Filter Set-up Window,’ where one of the following messages is displayed: 9497 NETWORK B: Measurement network filter for ME 9498 NETWORK C: Measurement network filter for IEC 60990 9499 NETWORK D: Universal measurement network filter

Knob

Slo

────────────────────────────────────────────────────

4.1 Installing the Measurement Network

Measurement networ

Page 47

)

────────────────────────────────────────────────────

.2 Power Cord Connection

WARNIN

CAUTIO

Versions of the 3155 that operate on 120 V, 200 V and 240 V of the supply voltage are available. The 3155-01 operates on 110 to 120 V, 200 V and 240 V with the voltage selector. Before turning on the power, make sure that the voltage of the power supply being used matches the supply voltage indicated on the rear panel of the unit. The maximum rated power of the 3155 is 30 VA.

The protective ground terminal of the unit is connected to a ground line via a three-core power cord that is supplied with the unit. In order to prevent electric shock, always connect the unit to a properly grounded power outlet using the power cord provided.

・To prevent an error, always remove the key and keep it after setting the

power supply voltage. (3155-01 only)

・When changing the supply voltage, always turn off the power and disconnect

the power cord before beginning. (3155-01 only)

・This unit is provided with a grounded three-core power cord that is suitable

for use with power supply conditions in the country or region in which the uni is sold. When using this unit in any other country or region, be sure to obtain a grounded three-core power cord which is suitable for use with the power supply conditions in that area.

NOTE

The 3155 is a leakage current measuring instrument, and thererfore is only able to operate to its full capability after it has been properly grounded. Always use the power cord (grounded three-core power cord) that is supplied with the unit to ground the unit.

(1) Be sure that the main power switch is turned

to OFF.

(2) Set the power voltage with the voltage selector.

(3155-01 only) Insert the supplied voltage selector key into the keyhole of the voltage selector, and select the

(3155

power voltage by setting it to the required power voltage. (110 to 120/200/240 V) Voltage selector key (2 supplied)

(3) Being sure that the power source is of the

correct voltage, connect the grounded three-core power cord provided to the power inlet on the back of the unit.

(4) Insert the plug into the outlet. The cord is

automatically grounded.

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4.2 Power Cord Connection

Page 48

Main power switch

────────────────────────────────────────────────────

.3 Powering on and off the Unit

WARNIN

CAUTIO

NOTE

Before turning on the power, make sure that the voltage of the power

supply being used matches the supply voltage indicated on the rear panel of the unit. (3155: Specify when ordering, 3155-01: Set with the voltage selector)

If an attempt is made to use an improper supply voltage, there is danger

of damage to this unit and of life-threatening risk to the operator.

Before turning main power switch ON, turn the power OFF or unplug power cord of the equipment to be measured. (Briefly before the 3155 display screen appears, power is supplied.)

・When measuring medical electrical equipment using an insulating

transformer, connect one of the insulating transformer’s output terminals to ground before measurement. When a floating power supply which uses an insulating transformer, such as is used in operating rooms, ICUs and CCUs is used, measurements made using such a power source will not be accurate.

・Allow 60 minutes warming up after powering on before starting

measurement.

・Either turn off the power to the equipment to be measured or disconnect the

power supply cord, and then turn the main power switch to ON. (Power may be fed during the instant before the 3155 screen appears.) Automatic measurement may not be possible for equipment fitted with a shutdown function. When equipment that form an induction load are measured, the relay contacts inside the 3155 may fuse together if the current flowing exceeds 60A.0.2s.

────────────────────────────────────────────────────

4.3 Powering on and off the Unit

(1) Turn the main power switch on the back of the unit to ON

(｜). First the model name and software version are displayed on the liquid crystal display screen, and then the initial screen is displayed after a measurement network is checked. When using MEASUREMENT NETWORK D, use a 3155 that is equipped with software version 1.10 or later. Display output will not be correct if MEASUREMENT NETWORK D is installed with an older version. When performing tests with the 3157 using RS-232C interfacing, use a 3155 with software version 1.20 or later. Tests are not possible with the 3157 using RS-232C communication if older versions are used.

Page 49

Contrast adjustment knob

Monitor lamps

────────────────────────────────────────────────────

(2) Turn the contrast adjustment knob until the screen is

easy to read.

(3) After turning on the power, be sure to check the

grounding condition of the power line using the monitor lamp. Proper grounding is required in order to use the functions of the 3155.

MON1: Voltage between the COLD and EARTH lines MON2: Voltage between the HOT and COLD lines MON3: Voltage between the HOT and EARTH lines

・For an ordinary power supply with single sided

grounding, the MON2 and MON3 lamps are illuminated when the power supply is grounded. (If the HOT and COLD lines are reversed, the MON1 and MON2 lamps are illuminated. When measurement is set to single fault

- open power lead, accurate measurement cannot be made.)

・The use of a floating power supply which uses an

insulating transformer, other than a power supply with single sided grounding, will result in mulfunctions of the power line monitor lamp.

(4) After the measurement has finished, turn the main power

switch on the back of the unit to OFF. In which case, the current settings are all preserved when the unit is next turned on. If there has been a power failure or other malfunction of the power supply, the settings in effect at the time the malfunction occurred are preserved.

────────────────────────────────────────────────────

4.3 Powering on and off the Unit

Page 50

Paper holder

Printer head

Paper feed

Printer cover

Feed switch

Mouth

────────────────────────────────────────────────────

.4 Loading Recording Paper

Paper is placed in the built-in printer on the left side of the 3155.

(1) Power on the 3155.

(2) Open the printer cover.

(3) Check that the printer head is in the home position (at

the right end in the figure). To set the printer head in the home position, power off the 3155 and then on again.

× × ○ ○

(4) Cut the end of the paper roll as shown in the figure.

(5) Slide the end of the paper roll as far as it will go into

the printer paper feed, and push the feed switch.

(6) After the end of the paper roll comes out of the printer,

pull it straight out to ensure that it is aligned properly.

(7) Place the paper in the paper holder.

(8) Slide the end of the paper through the mouth in the

printer cover, and close the cover.

────────────────────────────────────────────────────

4.4 Loading Recording Paper

NOTE

・If the paper is not inserted into the paper feed properly, it is fed into the

printer crookedly. In which case, continue feeding the paper until it is properly aligned.

・If a paper jam occurs, power off the unit, and place the paper properly. Be

careful not to fold or wrinkle the paper when inserting it into the printer.

・Do not block the printer mouth.

Page 51

────────────────────────────────────────────────────

Chapter

Medical Electric

Equipment Measureme

Network B Installe

.1 Leakage Current Measurement Types and Their

Allowable Values for Medical Electrical Equipment

The following six types of leakage currents in medical electrical equipment can be tested.

Earth leakage current (Class equipment only) Enclosure leakage current Patient leakage current Patient leakage current (Equipment with the type B applied part only) Patient leakage current (Equipment with the type BF or CF applied part

only)

Patient auxiliary current

The allowable values are determined by the condition of the equipment to be measured (normal condition or single fault condition) as well as its grounding class and applied part type. Allowable values for earth leakage current measurements exclusive to class conditions of the equipment to be measured.

equipment vary per the installation

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5.1 Leakage Current Measurement Types and Their Allowable Values for Medical Electrical Equipment

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────────────────────────────────────────────────────

Leakage current measurement types and their allowable values for medical electrical equipment (taken from IEC 60601-1 (1988-12) + am1 (1991-11) + am2 (1995-03))

Class equipment

Earth leakage current

Enclosure leakage current

Patient leakage current

Patient leakage current Patient leakage current Patient

auxiliary current

General

equipment

Special

equipment

and mobile

equipment

Permanently

installed

equipment

Between enclosure and earth

Between

parts of the

enclosure

Direct curren

Alternating

current

Direct curren

Alternating

current

Type B applied part Type BF applied part Type CF applied part

orm

Single fault conditionNorm

cond

0.5mA 1mA − − 0.5mA 1mA − − 0.5mA 1mA − −

2.5mA 5mA − − 2.5mA 5mA − − 2.5mA 5mA − −

Ａ

Ｂ

0.1mA 0.5mA 0.5mA 0.5mA 0.1mA 0.5mA 0.5mA 0.5mA 0.1mA 0.5mA 0.5mA 0.5mA

0.01mA0.05mA0.05mA− 0.01mA0.05mA0.05mA− 0.01mA0.05mA0.05mA− .1mA 0.5mA 0.5mA − 0.1mA 0.5mA 0.5mA − 0.01mA0.05mA0.05mA−

0.01mA0.05mA0.05mA− 0.01mA0.05mA0.05mA− 0.01mA0.05mA0.05mA−

0.1mA 0.5mA 0.5mA − 0.1mA 0.5mA 0.5mA − 0.01mA0.05mA0.05mA−

Open

tion

powe ead *

5mA 10mA − − 5mA 10mA − − 5mA 10mA − −

− − − 5mA − − − − − − − −

− − − − − − − 5mA − − − 0.05m

Open

groun

110%

cond

oltag

pplie

Single fault conditionNorm

tion

Open powe ead *

Open

groun

110%

oltag pplie

cond

tion

Single fault condition

Open powe ead *

Open

groun

110%

oltag pplie

Class equipment

Enclosure leakage current

Patient leakage current

Patient leakage current Patient leakage current Patient

auxiliary current

Between enclosure and earth

Between

parts of the

enclosure

Direct curren

Alternating

current

Direct curren

Alternating

current

Type B applied part Type BF applied part Type CF applied part

orm

Single fault conditionNorm

cond

Ａ

Ｂ

0.1mA 0.5mA − 0.5mA 0.1mA 0.5mA − 0.5mA 0.1mA 0.5mA − 0.5mA

0.01mA0.05mA− − 0.01mA0.05mA− − 0.01mA0.05mA− −

0.1mA 0.5mA − − 0.1mA 0.5mA − − 0.01mA0.05mA− −

0.01mA0.05mA− − 0.01mA0.05mA− − 0.01mA0.05mA− −

0.1mA 0.5mA − − 0.1mA 0.5mA − − 0.01mA0.05mA− −

Open

tion

powe ead *

− − − 5mA − − − − − − − −

− − − − − − − 5mA − − − 0.05m

Open

groun

110%

cond

oltag

pplie

Single fault conditionNorm

tion

Open powe ead *

Open

groun

110%

oltag pplie

cond

tion

Single fault condition

Open powe ead *

Open

groun

110%

oltag pplie

────────────────────────────────────────────────────

5.1 Leakage Current Measurement Types and Their Allowable Values for Medical Electrical Equipment

Page 53

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────────────────────────────────────────────────────

Internally powered

equipment

Enclosure leakage current

Patient leakage current

Patient auxiliary current

Between enclosure and earth

Between

parts of the

enclosure

Direct curren

Alternating

current

Direct curren

Alternating

current

Type B applied part Type BF applied part Type CF applied part

orm

Single fault conditionNorm

cond

Ａ

Ｂ

0.1mA − − 0.5mA

0.01mA− − − 0.01mA− − − 0.01mA− − −

0.1mA − − 0.1mA − − − 0.01mA− − −

0.01mA− − − 0.01mA− − − 0.01mA− − −

0.1mA − − − 0.1mA − − − 0.01mA− − −

Open

tion

powe ead *

− − − 5mA

− − − − − − − 5mA

Open

groun

Note 1

110%

oltag

pplie

otes

nd 2

cond

0.1mA − − 0.5mA

Single fault conditionNorm Open

tion

powe ead *

− − − − − − − −

Open

groun

110%

Note 1

cond

oltag pplie

0.1mA − − 0.5mA

otes

nd 2

Single fault condition Open

tion

powe ead *

− − − 0.05m

Open

groun

110%

Note 1

Note

nd 2

oltag pplie

otes

*1: Interruption of one supply conductor *2: Interruption of a protective earth conductor

Note 1: 110% voltage application to internally powered equipment can be

either normal or reverse polarity.

Note 2: For 250 V applications under IEC 60601-1 (1988-12) + am1 (1991-11) +

am2 (1995-03) standards, 110% voltage of the 3155’s power source voltage is applied via the 9196 APPLY UNIT.

NOTE

・Values shown as hyphens cannot be set. ・The measurements shown in these tables, with the exception of those for

internally powered equipment, can be set to either normal or reverse polarity.

・Measurements shown in the shaded portions of the tables (110% voltage

application) require the optional 9196 APPLY UNIT. The 9196 APPLY UNIT applies 110% of the voltage it receives through its power supply inlet. The polarity of the applied voltage can also be set to either normal or reverse. (Other voltage application units can also be used to make measurements.)

Conditions that cannot be established with the 3155

The following conditions are defined in IEC 60601-1 (1988-12) + am1 (1991-11) + am2 (1995-03), but cannot be established with the 3155. (1) Connection to a power supply at the maximum frequency rating (2) Connection to a power supply at 110% of the maximum voltage rating

(The 3155 supplies the power input into the power inlet directly to the equipment to be measured.)

(3) Application of 250 V to internally powered equipment

────────────────────────────────────────────────────

5.1 Leakage Current Measurement Types and Their Allowable Values for Medical Electrical Equipment

Page 54

────────────────────────────────────────────────────

Handling conditions that cannot be established with the 3155

For items (1) and (2), because the specifications for maximum frequency rating and maximum voltage rating will vary per equipment to be measured, a regulated power supply with variable voltage and frequency is necessary.

Recommended power supply: HIOKI 7032 UNIVERSAL HiPOWER Output rating: 2 kVA (20 A/100 V range, 10 A/200 V range) Frequency range of 40 to 500 Hz For item (3), attach the 9196 APPLY UNIT to a regulated power supply with variable voltage and frequency. Because the 9196 APPLY UNIT outputs 110% of the input voltage, to effect an output of 250 V, the regulated power supply should be set to 227.3 V.

.2 Screens (ME Equipment)

About the Touch Panel

CAUTIO

Do not press hard upon the touch screen, or operate it using a hard object or one with a sharp end. Doing so could scratch or damage the screen or the soft keys.

The 3155 uses a touch panel for setting and changing all of the test conditions. Simply by touching the LCD screen at certain areas - termed soft keys - which appear in reverse video, the items associated with these soft keys, and numerical values can be selected.

In this manual, lightly touching a soft key area on the screen is termed "pressing" a key.

About the display of ’touch keys’

The following is an explanation of the types of ’touch keys’ shown on the 3155’s display screen. There are 3 types of key displays. Selectable keys (raised, black background), selected keys (recessed, white background), and non-selectable keys (raised, white background)

(1) Selectable keys (raised, black background)

Example:

(2) Selected keys (recessed, white background)

Example:

(3) Non-selectable keys (raised, white background)

Example: The keys shown with dotted lettering indicate items that need not be measured per the settings performed on the equipment set-up screen.

────────────────────────────────────────────────────

5.2 Screens (ME Equipment)

, ,

Page 55

────────────────────────────────────────────────────

.2.1 Initial Screen (ME Equipment)

When the power is first turned on, the basic screen for controlling the 3155 immediately appears, called the initial screen. Equipment set-up: The grounding class and applied part

type of the equipment to be measured

Measuring mode: Earth leakage current, enclosure

leakage current, patient leakage current

,patient leakage current , patientauxiliary current, low resistance measurement

System: Clock, beeper, RS-232C communications etc.

, patient leakage current

.2.2 Equipment Set-up Screen (ME Equipment)

On the initial screen, press the equipment set-up screen. On the equipment set-up screen, settings for the

grounding class and applied part type of the equipment to be measured, and registration of the model name and number can be made.

NOTE

Press the

Grounding class setting

: Class equipment : Class equipment : Internally powered equipment

If changing the setting for the grounding class of the equipment to be measured, the condition settings on each measuring mode screen are initialized, except for the coefficient of the allowable value.

key to return to the initial screen.

key to open the

Applied part type setting

: Type B applied part : Type BF applied part : Type CF applied part

NOTE

────────────────────────────────────────────────────

If changing the setting for the applied part type of the equipment to be measured, the allowable value on each measuring mode screen is initialized. For details, refer to Section 5.10.1, "Allowable Value Setting (For Leakage Current Measurement)," and Section 5.10.2, "Allowable Value Setting (For Low Resistance Measurement)."

5.2 Screens (ME Equipment)

Page 56

Alphabet input screen

Numeric input screen

────────────────────────────────────────────────────

Registering the model name and number.

It is possible to register the model name and number before printing out or saving data. Once registered, these items will be included with the maximum values for each printout or save, unless changed.

: Change to the model name input screen. : Change to the model number input screen.

Setting

Shown on the left are examples of the model name input screens.

A maximum of 12 characters can be input.

: Clear the model name or number : Back space : Toggle between alphabet input and numeric input : Close the input window

────────────────────────────────────────────────────

5.2 Screens (ME Equipment)

Page 57

Automatic

Manual

────────────────────────────────────────────────────

.2.3 Measuring Mode Screen (ME Equipment)

On the measuring mode screen, press the any one of the following keys to open a window where the settings in question for that measuring mode can be changed. The following explanation uses the enclosure leakage current measurement screen as an example:

: Clear the maximum value.

: Open the polarity and equipment condition set-up

: Open the measurement network filter set-up window

: Open the contact condition set-up window in the

: Open the print-out window in the bottom half of the

: Open the save data window in the bottom half of the

: Return to the initial screen.

(1) Allowable value set-up window

: Open the allowable value set-up window.

window in the bottom half of the screen.

in the bottom half of the screen.

bottom half of the screen.

screen.

(4) Contact condition set-up window

(5) Print-out window

(2) Polarity and equipment

condition set-up window

(3) Measurement networ

filter set-up window

NOTE

It is possible to set the measurement current when making patient leakage current auxiliary current settings, the AC+DC option is not available.

(6) Save data window

(7) Measurement curren

set-up window

and patient auxiliary current settings. Also, when making patient

────────────────────────────────────────────────────

5.2 Screens (ME Equipment)

Page 58

────────────────────────────────────────────────────

.2.4 System Screen (ME Equipment)

On the system screen, references to saved data as well as settings for beep sound, time and date, communications, and execution of self-testing can be made.

: Move to the saved data reference screen. : Move to the initilization screen. : Move to the allowable value judgment set-up

screen. : Move to the beep sound set-up screen. : Move to the communications set-up screen. : Move to the printer set-up screen. : Move to the time and date set-up screen. : Move to the self-test screen. : Move to the language set-up screen.

: Return to the initial screen.

(1) Saved data reference screen

For details, refer to Section 5.11.2, "Saved Data Reference Screen."

(2) Initialization screen

For details, refer to Section 5.11.3, "Initialization Screen."

(3) Allowable value judgment set-up screen

・Set the allowable value judgment (comparison of the set allowable

value with the maximum value and measured value) to either or . When set to ON, the beep sound setting for the allowable value judgement becomes effective. When set to OFF, the allowable values are not shown on the measuring mode screen.

・Press either the

allowable value judgment.

or key for the beep sound for the

────────────────────────────────────────────────────

5.2 Screens (ME Equipment)

Page 59

────────────────────────────────────────────────────

(4) Beep sound set-up screen

Turn the beeper on or off. Press either the

key or key. If the beep sound has been set to ON, it will be emitted under the following conditions, and the beep sound setting for the allowable value judgment become effective as well. The beep sound is emitted when:

・The power is turned on. ・A key is pressed. ・Making a measurement in the automatic measurement mode. ・An input of 25 mA or more is detected in the leakage current

measurement mode. The beep sound is emitted irrespective of the beep sound setting when: An error has occurred in the RS-232C system.

(5) Communications set-up screen

For details, refer to Section 8.5.1, "Communication Conditions Setting."

(6) Printer set-up screen

For details, refer to Section 5.11.7, "Printer Set-up Screen."

(7) Time and date set-up screen

Make the time and date settings. On the time and date set-up screen, press the keys as necessary.

Use the

and keys found beneath the time and date to

set as desired. The year may be set from 1997 to 2096. Press the

key to finalize the settings.

(8) Self-testing screen

For details, refer to Section 5.11.9, "Self-test screen."

(9) Language set-up screen

For details, refer to Section 5.11.10, "Language Set-up screen."

────────────────────────────────────────────────────

5.2 Screens (ME Equipment)

Page 60

)

Measuring mode screen

Polarity and equipment condition set-up window

Print-out window

Initial screen

Equipment set-up screen

Select and press the keys for the power s m M w F S

Setting."

For a detailed set-up procedure, refer to Section 5 F Maximum Values ."

Measurement starts automatically.

Set the grounding class and applied p m name and number.

After printing

────────────────────────────────────────────────────

.2.5 Flow of Screens for Basic Operations (for ME Equipment

・Change of screens during basic operation is as follows. ・On the measuring mode screen, measured values can be checked in real

time.

Example: When performing enclosure leakage current measurement

art type of the equipment to be

easured, and register the model

ource polarity and equipment to be

easured to set. easurement continues even while the

indow is open. or automatic measurement, refer to ection 5.10.3," Automatic Measureme

.10.5, "Printing out the Maximum Values."

or saving, refer to Section 5.10.6, "Saving the

────────────────────────────────────────────────────

5.2 Screens (ME Equipment)

NOTE

Setting conditions for each measuring mode is saved with each measuring mode. However, the model name and number are held in common. Changing the measuring mode will clear the maximum and current values.

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────────────────────────────────────────────────────

.3 Earth Leakage Current Measurement Mode (ME

Equipment)

.3.1 Earth Leakage Current Measurement Mode

Earth leakage current measurement for medical electrical equipment is performed only when class internally powered equipment has been set, the earth leakage current key on the initial screen is non-selectable. Measurement is possible only when the power cord of the equipment to be measured has been plugged into the auxiliary power socket of the 3155. The following combinations are measured under the earth leakage current measurement.

equipment has been set. When either class or

Condition of the equipment to be measure

Normal condition Normal polarity

Single fault condition Open power lead Normal polarity

The measurement current is set to "AC+DC rms." For the concept of leakage current in medical electrical equipment and its wiring when using the 3155, refer to Appendix 2.1, "IEC 60601-1 (1988-12) + am1 (1991-11) + am2 (1995-03)."

NOTE

By using the automatic measurement mode, it is possible to measure changing automatically the power source polarity and condition of the equipment to be measured, and obtain the maximum value of the combination. For details, refer to Section 5.10.3, "Automatic Measurement Setting."

Measurement types and their allowable values

Class equipment

Earth leakage current

General

equipment

Special

equipment

and mobile

equipment

Permanently

installed

equipment

Type B applied part Type BF applied part Type CF applied part

orm

Single fault conditionNorm

cond

0.5mA 1mA −−0.5mA 1mA −−0.5mA 1mA −−

2.5mA 5mA −−2.5mA 5mA −−2.5mA 5mA −−

Open

tion

powe ead *

5mA 10mA −−5mA 10mA −−5mA 10mA −−

cond

tion

Power source polarity

Reverse polarity

Single fault condition Open

powe

lead

orm

cond

tion

Single fault condition Open

powe

lead

*1: Interruption of one supply conductor

────────────────────────────────────────────────────

5.3 Earth Leakage Current Measurement Mode (ME Equipment)

Page 62

────────────────────────────────────────────────────

.3.2 Connecting Equipment for Earth Leakage Current

Measurement (ME Equipment)

CAUTIO

・The maximum current that can be input into the leakage current

measurement terminals of the 3155 is 25 mA (AC+DC). The input of any larger current will cause the beeper to sound (when the beeper is turned on) after which continued input may cause the fuse in the measurement network to fail. In this case, input must be terminated immediately. Afterwards, a fuse check is performed automatically upon returning to the initial screen from the leakage current measurement mode. Therefore, do not connect anything to leakage current measurement terminal T1. (If anything is connected, the display may show "Measurement Network Fuse blown.")

・The rated capacity of the auxiliary power socket is 1500 VA or less. If this

capacity is exceeded, the auxiliary power outlet circuit breaker will actuate, and the power supply to the equipment to be measured will be cut off. (With the 3155-01, the main power switch is turned off.)

・When power of the equipment to be measured exceeds 1500VA, make the

connection directly to the outlet; do not use the auxiliary power socket. (When measuring class of the equipment to be measured to the G terminal of the 3155.) In this case, the power source polarity and the condition of the equipment to be measured cannot be set on the 3155.

・Use an insulating transformer.

equipment, connect the protective earth conducto

NOTE

────────────────────────────────────────────────────

5.3 Earth Leakage Current Measurement Mode (ME Equipment)

When measuring earth leakage current (for class equipment only), do not make any connections to the leakage current measurement terminals. The measurement network is connected via internal wiring.

Plug the power cord of the equipment to be measured to the auxiliary power socket found on the right side of the 3155.

Insulating transforme

Equipment t be measured

Page 63

be measured

────────────────────────────────────────────────────

NOTE

・When the auxiliary power socket does not fit the power plug of the

equipment to be measured, use the supplied power plug.

・Use wire for connecting the functional earth terminals of the equipment to

be measured, or an F-type applied part to the ground.

・When the equipment to be measured requires the use a single phase power

source, connect the 3155 between the power source and the single phase power source, as well as between the single phase power source and the equipment to be measured.

When testing class 0I or other older models, use (UL1015, AWG #18 or equivalent) wire to connect the G terminal with the protective earth terminal of the equipment to be measured.

Insulating transforme

(UL1015, AWG #1

or equivalent) wire

Equipment t

────────────────────────────────────────────────────

5.3 Earth Leakage Current Measurement Mode (ME Equipment)

Page 64

────────────────────────────────────────────────────

.3.3 Zero Adjustment (Earth Leakage Current)

In cases where the extension cable (power socket conversion cable, table tap, etc.) is connected to the auxiliary power socket when making a measurement, the measured value may be subject to leakage current of the extension cable. In which case, to obtain an accurate measurement, perform zero adjustment before measuring. Value of leakage current in the extension cable to be offset by zero adjustment varies depending on if voltage is applied or not. Zero adjustment is performed in the condition that voltage is applied. Value determined by zero adjustment is saved after power is turned off. It is effective unless changing supply voltage and/or the extension cable.

Zero Adjustment

1. Display the earth leakage current measurement

Insulating transforme

screen.

2. Connect the extension cable to the auxiliary power socket. In this case, do not connect the equipment to be measured to the extension cable.

NOTE

3. Press the key on the screen to perform zero adjustment. When zero adjustment is finished,

is displayed on the measuring mode screen, and indicates that zero adjustment is effective. Press the

key again, and zero adjustment is cancelled, the

Table ta

normal measured value returns and

disappears.

In all equipment to be measured, zero adjustment defaults to the combination of normal condition with normal polarity and switches back to previous condition and polarity of the equipment to be measured. During manual measurement, condition and polarity settings may cause zero adjustment value to fail to set to zero.

────────────────────────────────────────────────────

5.3 Earth Leakage Current Measurement Mode (ME Equipment)

Page 65

Earth leakage current measurement mode screen

Polarity and equipment condition set-up window

Initial screen

Equipment set-up screen

Select and press the keys for the power s m M w F S

Setting."

Measurement starts automatically.

Set the grounding class to class . Set the applied part type.

Allowable value set-up window

Set the allowable value referring to Section 5 (

e j Value Judgment Set-up Screen.")

Measurement network filter set-up window

Set the filter.

────────────────────────────────────────────────────

.3.4 Basic Settings for Earth Leakage Current Measurement

(ME Equipment)

This illustrates basic setting and reference categories until measurement. Preparations for measurement follow Section 5.3.2, "Connecting Equipment for Earth Leakage Current Measurement."

.10.1, "Allowable Value Setting."

For enabling or disabling the allowable valu

────────────────────────────────────────────────────

udgment, refer to Section 5.11.4, "Allowable

ource polarity and equipment to be

easured to set. easurement continues even while the

indow is open. or automatic measurement, refer to ection 5.10.3, "Automatic Measureme

5.3 Earth Leakage Current Measurement Mode (ME Equipment)

Page 66

────────────────────────────────────────────────────

.3.5 Earth Leakage Current Measurement Screen (ME

Equipment)

Measurement of earth leakage current is made on the earth leakage current measurement screen. The current measured value, maximum value, and setting condition are shown on the earth leakage current measurement screen. Further, windows for changing the measurement settings can be opened from this screen.

(1) Setting condition display

Parameter Explanation

Maximum value The maximum measured value obtained in the current measuring mode

Changing the measuring will clear this value. (When this value is 1 μA or lower, "UNDER 1 μA" is displayed.)

Maximum value judgment Result of comparison of the maximum value with the allowable value

PASS: Allowable value or lower, FAIL: Higher than the allowable value

Power source polarity for the

maximum value

Condition of the equipment t

be measured for the maximum value

Current value Value obtained from the current measurement

Current value judgment Result of comparison of the current value with the allowable value

Connection with the power source Normal: , Reverse: Condition of the equipment to be measured Normal condition:

Single fault condition (open power lead):

(When this value is 1 μA or lower, "UNDER 1 μA" is displayed.)

PASS: Allowable value or lower, FAIL: Higher than the allowable value

Power source polarity for the

current value

Condition of the equipment t

be measured for the current value

Allowable value Current setting of the allowable value in normal condition or single fault

Setting display for the

equipment to be measured

Connection with the power source Normal: , Reverse: Condition of the equipment to be measured Normal condition:

Single fault condition (open power lead):

condition The following parameters are displayed:

Settings of the equipment to be measured Model name, Number, Current consumption monitor value, Line voltage monitor value

────────────────────────────────────────────────────

5.3 Earth Leakage Current Measurement Mode (ME Equipment)

Page 67

────────────────────────────────────────────────────

(2) Settings

Key Description of the function

(Clear the maximum value)

Use as necessary to clear unnecessary data and start new measurements. As long as this key is not pressed, the maximum value is not cleared even afte changing measurement settings in the same measuring mode. The maximum value is cleared after changing the measuring mode.

Opens the allowable value set-up window. Two allowable values in normal condition and single fault condition can be set. Range of the allowable values: 5 μAto20mA For details, refer to Section 5.10.1, "Allowable Value Setting."

Opens the polarity and equipment condition set-up window.

1. Select either the or mode. For automatic measurement, refer to Section 5.10.3, "Automatic

Measurement Setting."

2. When in the manual mode, in addition to making measurements while changing the polarity and condition of the equipment to be measured, the maximum value data can be printed out or saved.

Power source polarity selection: NORMAL: , REVERSE:

Condition of the equipment to be measured: Normal condition:

Single fault condition (open power lead):

Opens the measurement network filter set-up window. Select either filter ON or OFF.

: Network with frequency characteristics : Network with uninducted resistance of only 1 kΩ

Zero adjustment function Press this key to perform zero adjustment before measuring.

When zero adjustment is effective, is displayed on the screen. For details, refer to Section 5.3.3, "Zero Adjustment (ME Equipment - Earth

Leakage Current)."

Opens the print-out window. Prints out the maximum value displayed on the screen. For details, refer to Section 5.10.5, "Printing out the Maximum Values."

Opens the save data window. For details, refer to Section 5.10.6, "Saving the Maximum Values."

Exits the earth leakage current measurement, and returns to the initial screen.

────────────────────────────────────────────────────

5.3 Earth Leakage Current Measurement Mode (ME Equipment)

Page 68

────────────────────────────────────────────────────

.4 Enclosure Leakage Current Measurement Mode (ME

Equipment)

.4.1 Enclosure Leakage Current Measurement Mode

The measurement of enclosure leakage current for medical electrical equipment is performed in two places: between the enclosure and the earth, and between parts of the enclosure. With class each part of the enclosure which is not protectively earthed. Plug the power cord of the equipment to be measured into the auxiliary power socket for the 3155, and make a measurement by touching either the 9170 TEST LEAD or 9195 ENCLOSURE PROBE to the test point. The following combinations are measured under the enclosure leakage current measurement.

equipment, the enclosure is

Condition of the equipment to be measured Power source polarity Contact condition

Normal condition Normal polarity

Reverse polarity

Single fault condition Open power lead Normal polarity

Reverse polarity

Open ground Normal polarity

Reverse polarity

110% voltage applied

(normal polarity)

110% voltage applied

(reverse polarity)

Normal polarity

Reverse polarity

Normal polarity

Reverse polarity

Between parts of the enclosure

Between the enclosure and the earth

Between parts of the enclosure

Between the enclosure and the earth

Between parts of the enclosure

Between the enclosure and the earth

Between parts of the enclosure

Between the enclosure and the earth

Between parts of the enclosure

Between the enclosure and the earth

Between parts of the enclosure

Between the enclosure and the earth

Between parts of the enclosure

Between the enclosure and the earth

Between parts of the enclosure

Between the enclosure and the earth

Between parts of the enclosure

Between the enclosure and the earth

Between parts of the enclosure

Between the enclosure and the earth

NOTE

・In the application of 110% voltage, 110% voltage is applied externally with

the 3155 set to the normal condition. Because the allowable value setting is quite different from that of conventional normal condition settings, care is necessary when making this setting.

・When making an external application of voltage, the optional 9196 APPLY

UNIT is necessary. (Other voltage application units can also be used to make measurements.)

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5.4 Enclosure Leakage Current Measurement Mode (ME Equipment)

Page 69

al i-

────────────────────────────────────────────────────

・Do not apply 110% voltage if there is any chance that circuitry or other

physical components of the instrument might be damaged.

・By using the automatic measurement mode, it is possible to measure

changing automatically the power source polarity and condition of the equipment to be measured, and obtain the maximum value of the combination. For details, refer to Section 5.10.3, "Automatic Measurement Setting."

・When making measurements of internally powered equipment, there is no

polarity setting.

Measurement types and their allowable values

Class equipment

Enclosure leakage current

Between enclosure and earth

Between

parts of the

enclosure

Class equipment

Enclosure leakage current

Between enclosure and earth

Between

parts of the

enclosure

Type B applied part Type BF applied part Type CF applied part

orm

Single fault conditionNorm

cond

Ａ

Ｂ

0.1mA 0.5mA 0.5mA 0.5mA 0.1mA 0.5mA 0.5mA 0.5mA 0.1mA 0.5mA 0.5mA 0.5mA

tion

Open powe ead *

Open

groun

110%

cond

oltag

pplie

Single fault conditionNorm

tion

Open powe ead *

Open

groun

110%

oltag pplie

cond

tion

Single fault condition

Open powe ead *

Open

groun

110%

oltag pplie

Type B applied part Type BF applied part Type CF applied part

orm

Single fault condition

cond

Ａ

Ｂ

0.1mA 0.5mA − 0.5mA 0.1mA 0.5mA − 0.5mA 0.1mA 0.5mA − 0.5mA

tion

Open powe ead *

110%

oltag

pplie

orm

cond

tion

Single fault condition

Open powe ead *

110%

oltag pplie

orm

cond

tion

Single fault condition

Open powe ead *

110%

oltag pplie

Internally powered

equipment

Enclosure leakage current

parts of the

Ａ

Between enclosure and earth

Ｂ

Between enclosure

Type B applied part Type BF applied part Type CF applied part

orm

Single fault conditionNorm

cond

tion

110%

oltag

pplie

0.1mA − − 0.5mA

Note 1

cond

0.1mA − − 0.5mA

Single fault conditionNorm

tion

110%

oltag pplie

Note 1

Single fault condition

cond

tion

0.1mA − − 0.5mA

110%

oltag pplie

Note 1

Note

*1: Interruption of one supply conductor *2: Interruption of a protective earth conductor

Note 1: 110% voltage application to instruments with internal power sources can be

either normal or reverse polarity.

NOTE

Measurements shown in the shaded portions of the tables (110% voltage application) require the optional 9196 APPLY UNIT or other power sources.

────────────────────────────────────────────────────

5.4 Enclosure Leakage Current Measurement Mode (ME Equipment)

Page 70

────────────────────────────────────────────────────

.4.2 Connecting Equipment for Enclosure Leakage Current

Measurement (ME Equipment)

CAUTIO

・The maximum current that can be input into the leakage current

・The rated capacity of the auxiliary power socket is 1500 VA or less. If this

・When power of the equipment to be measured exceeds 1500VA, make the

・If the voltage application button to the 9196 APPLY UNIT is ON, the danger

of electrical shock is present. Turn the voltage application button OFF when not making measurements.

・Use an insulating transformer.

equipment, connect the protective earth conducto

(1) Measurement between the enclosure and the earth. (With class equipment,

between each part of the enclosure which is not protectively earthed and the earth)

1. On the enclosure leakage current measurement screen, set the contact condition to "between the enclosure and the earth."

2. Plug the power cord of the equipment to be measured into the auxiliary power socket found on the right side of the 3155. No connection is made for

internally powered equipment.

3. Connect the red 9170 TEST LEAD to the leakage current measurement terminal T2.

4. Touch the red 9170 TEST LEAD to the enclosure of the equipment to be measured.

────────────────────────────────────────────────────

5.4 Enclosure Leakage Current Measurement Mode (ME Equipment)

Page 71

────────────────────────────────────────────────────

For 110% applied voltage

Make the appropriate output settings for the 9196 APPLY UNIT. Set the polarity toggle switch and the type toggle switch to match the applied part type of the equipment to be measured. POLARITY: NORMAL or REVERSE APPLIED PART (TYPE): B/BF, CF Touch the voltage application probe of the 9196 APPLY UNIT to the signal input or signal output part which is not protectively earthed of the equipment to be measured. Press the voltage application button on the voltage application probe. The application of voltage is in effect only as long as the button is being pressed.

NOTE

110% voltage application is performed under single fault condition, but because this cannot be set by the 3155, the setting is normal condition. Because the allowable value setting is quite different from that of conventional normal condition settings, care is necessary when making this setting.

Insulating transforme

Red 9170 TEST LEAD

919

Equipment to be measure

919

Signal input or signal output par which is not protectively earthed

If the enclosure or any part thereof is made of material with insulating characteristics

If the enclosure or any part thereof is made of material with insulating characteristics, attach the 9195 ENCLOSURE PROBE to the enclosure at

across the entire surface.

NOTE

approximately 0.5 N/cm

・When the auxiliary power socket does not fit the power plug of the

equipment to be measured, use the supplied power plug.

・When testing class 0I or other older models, use (UL1015, AWG #18 or

equivalent) wire to connect the G terminal with the protective earth terminal of the equipment to be measured.

・Do not apply 110% voltage if there is any chance that circuitry or other

physical components of the instrument might be damaged.

・Use wire for connecting the functional earth terminals of an equipment to

be measured, or an F-type applied part to the ground.

・When the equipment to be measured requires the use a single phase power

source, connect the 3155 between the power source and the single phase power source, as well as between the single phase power source and the equipment to be measured.

────────────────────────────────────────────────────

5.4 Enclosure Leakage Current Measurement Mode (ME Equipment)

Page 72

────────────────────────────────────────────────────

(2) Measurement between parts of the enclosure (With class equipment, between

parts of the enclosure which is not protectively earthed)

1. On the enclosure leakage current measurement screen, set the contact condition to "between parts of the enclosure."

2. Plug the power cord of the equipment to be measured into the auxiliary power socket found on the right side of the 3155. No connection is made for

internally powered equipment.

3. Connect the red 9170 TEST LEAD to the leakage current measurement terminal T2, and the black one to T1.

4. Touch the red and black 9170 TEST LEADS between parts of the enclosure of the equipment to be measured.

For 110% applied voltage

NOTE

110% voltage application is performed nder single fault condition, but because this cannot be set by the 3155, the setting is normal condition. Because the allowable value setting is quite different from that of conventional normal condition settings, care is necessary when making this setting.

Insulating transforme

Red 9170 TEST LEAD

Black 9170 TEST LEAD

919

Equipment to be measur

Signal input or signal output par which is not protectively earthed

────────────────────────────────────────────────────

5.4 Enclosure Leakage Current Measurement Mode (ME Equipment)

Page 73

────────────────────────────────────────────────────

NOTE

・When the auxiliary power socket does not fit the power plug of the

equipment to be measured, use the supplied power plug.

・Do not apply 110% voltage if there is any chance that circuitry or other

physical components of the instrument might be damaged.

・When testing class 0I or other older models, use (UL1015, AWG #18 or

equivalent) wire to connect the G terminal with the protective earth terminal of the equipment to be measured.

・Use wire for connecting the functional earth terminals of an equipment to

be measured, or an F-type applied part to the ground.

・When the equipment to be measured requires the use a single phase power

source, connect the 3155 between the power source and the single phase power source, as well as between the single phase power source and the equipment to be measured.

────────────────────────────────────────────────────

5.4 Enclosure Leakage Current Measurement Mode (ME Equipment)

Page 74

Enclosure leakage current measurement mode screen

Polarity and equipment condition set-up window

Initial screen

Equipment set-up screen

Select and press the keys for the power s m M w F S

Setting."

Measurement starts automatically

Allowable value set-up window

Measurement network filter set-up window

Set the filter.

Contact condition set-up window

Set the contact condition.

Set the allowable value referring to Section 5 F

Value Judgment Set-up Screen."

Set the grounding class and applied p m name and number.

────────────────────────────────────────────────────

.4.3 Basic Settings for Enclosure Leakage Current

Measurement (ME Equipment)

This illustrates basic settings and reference categories until measurement. Preparations for measurement follow Section 5.4.2, "Connecting Equipment for Enclosure Leakage Current Measurement."

art type of the equipment to be

easured, and register the model

ource polarity and equipment to be

easured to set.

easurement continues even while the indow is open. or automatic measurement, refer to

ection 5.10.3, "Automatic Measureme

.10.1, "Allowable Value Setting."

or enabling or disabling the allowable valu

udgment, refer to Section 5.11.4, "Allowabl

────────────────────────────────────────────────────

5.4 Enclosure Leakage Current Measurement Mode (ME Equipment)

Page 75

314

────────────────────────────────────────────────────

.4.4 Enclosure Leakage Current Measurement Screen (ME

Equipment)

Measurement of enclosure leakage current is made on the enclosure leakage current measurement screen. The current measured value, maximum value, and setting condition are shown on the enclosure leakage current measurement screen. Further, windows for changing the measurement settings can be opened from this screen.

(1) Setting condition display

Parameter Explanation

Maximum value The maximum measured value obtained in the current measuring mode

Changing the measuring mode will clear this value. (When this value is 1 μA or lower, "UNDER 1 μA" is displayed.)

Maximum value judgment Result of comparison of the maximum value with the allowable value

PASS: Allowable value or lower, FAIL: Higher than the allowable value

Power source polarity for the

maximum value

Condition of the equipment t

be measured for the maximum value

Current value Value obtained from the current measurement

Current value judgment Result of comparison of the current value with the allowable value

Connection with the power source Normal: , Reverse: Condition of the equipment to be measured Normal operation:

Single fault condition (open power lead): Single fault condition (open ground):

(When this value is 1 μA or lower, "UNDER 1 μA" is displayed.)

PASS: Allowable value or lower, FAIL: Higher than the allowable value

Power source polarity for the

current value

Condition of the equipment t

be measured for the current value

Connection with the power source Normal: , Reverse: Condition of the equipment to be measured Normal condition:

Single fault condition (open power lead): Single fault condition (open ground):

────────────────────────────────────────────────────

5.4 Enclosure Leakage Current Measurement Mode (ME Equipment)

Page 76

────────────────────────────────────────────────────

Allowable value Current setting of the allowable value in normal condition or single fault

condition

Setting display for the

equipment to be measured

The following parameters are displayed: Settings of the equipment to be measured Model name, Number, Current consumption monitor value, Line voltage monitor value

(2) Settings

Key Description of the function

(Clear the maximum value)

Opens the polarity and equipment condition set-up window.

1. Select either the or mode. For automatic measurement, refer to Section 5.10.3, "Automatic

Measurement Setting."

2. When in the manual mode, in addition to making measurements while changing the polarity and condition of the equipment to be measured, the maximum value data can be printed out or saved.

Power source polarity selection: NORMAL: , REVERSE:

Condition of the equipment to be measured: Normal condition:

Single fault condition (open power lead): Single fault condition (open ground):

Opens the measurement network filter set-up window. Select either filter ON or OFF.

: Network with frequency characteristics : Network with uninducted resistance of only 1 kΩ

Opens the contact condition set-up window. Set the contact condition.

: Between the enclosure and the earth : Between parts of the enclosure

Opens the print-out window. Prints out the maximum value displayed on the screen. For details, refer to Section 5.10.5, "Printing out the Maximum Values."

Opens the save data window. For details, refer to Section 5.10.6, "Saving the Maximum Values."

Exits the enclosure leakage current measurement, and returns to the initial screen.

────────────────────────────────────────────────────

5.4 Enclosure Leakage Current Measurement Mode (ME Equipment)

Page 77

)

────────────────────────────────────────────────────

.5 Patient Leakage Current Measurement Mode

.5.1 Patient Leakage Current Measurement Mode

Explanations made in this Instruction Manual conform to IEC 60601-1 (1988-12) + am1 (1991-11) + am2 (1995-03) standards. Measurements made in accordance with IEC 60601-1 (1988-12) + am1 (1991-11) + am2 (1995-03) standards are made with both alternating (AC) and direct (DC) current.

Plug the power cord of the equipment to be measured into the auxiliary socket for the 3155, and make a measurement by touching the 9170 TEST LEADS to the test point (applied part). The following combinations are measured under the patient leakage current measurement. These are determined per the condition of the equipment to be measured, and the grounding class. Refer to the list of measurement types and their allowable values.

Condition of the equipment to be measured Power source polarity Measurement current (IEC

Normal condition Normal polarity AC

Reverse polarity AC

Single fault conditio

For the concept of leakage current in medical electrical equipment and its wiring when using the 3155, refer to Appendix 2.1, "IEC 60601-1 (1988-12) + am1 (1991-11) + am2 (1995-03)."

NOTE

・When making measurements of internally powered equipment, only the

・By using the automatic measurement mode, it is possible to measure

normal condition (no polarity setting) is measured.

Open power lead Normal polarity AC

Reverse polarity AC

Open ground Normal polarity AC

Reverse polarity AC

────────────────────────────────────────────────────

5.5 Patient Leakage Current

Measurement Mode

Page 78

al i-

────────────────────────────────────────────────────

Measurement types and their allowable values

Class equipment

Patient leakage current

Direct curren

Alternating

current

Class equipment

Patient leakage current

Direct curren

Alternating

current

Internally powered

equipment

Patient leakage current

Direct curren

Alternating

current

Type B applied part Type BF applied part Type CF applied part

orm

Single fault conditionNorm

cond

0.01mA0.05mA0.05mA− 0.01mA0.05mA0.05mA− 0.01mA0.05mA0.05mA− .1mA 0.5mA 0.5mA − 0.1mA 0.5mA 0.5mA − 0.01mA0.05mA0.05mA−

tion

Open powe ead *

Open

groun

cond

Single fault conditionNorm

tion

Open powe ead *

Open

groun

cond

tion

Single fault condition

Open powe ead *

Open

groun

Type B applied part Type BF applied part Type CF applied part

Single fault condition

orm

cond

tion

Open

powe

cond

ead *

0.01mA0.05mA− − 0.01mA0.05mA− − 0.01mA0.05mA− −

0.1mA 0.5mA − − 0.1mA 0.5mA − − 0.01mA0.05mA− −

Single fault condition

orm

Open

tion

powe ead *

orm

cond

tion

Single fault condition

Open powe ead *

Type B applied part Type BF applied part Type CF applied part

orm

cond

tion

0.01mA− − − 0.01mA− − − 0.01mA− − −

0.1mA − − 0.1mA − − − 0.01mA− − −

orm

cond

tion

orm

cond

tion

*1: Interruption of one supply conductor *2: Interruption of a protective earth conductor

────────────────────────────────────────────────────

5.5 Patient Leakage Current

Measurement Mode

Page 79

────────────────────────────────────────────────────

.5.2 Connecting Equipment for Patient Leakage Current

Measurement

CAUTIO

・The maximum current that can be input into the leakage current

・The rated capacity of the auxiliary power socket is 1500 VA or less. If this

・When power of the equipment to be measured exceeds 1500VA, make the

・Use an insulating transformer.

equipment, connect the protective earth conducto

(1) Class and class equipment

1. Plug the power cord of the equipment to be measured into the auxiliary power socket found on the right side of the 3155.

2. Connect the red 9170 TEST LEAD earth to the leakage current measurement terminal T2.

3. Touch the red 9170 TEST LEAD to the applied part of the equipment to be measured.

Insulating transforme

Red 9170 TSET LEAD

Applied par

Equipment to be measure

────────────────────────────────────────────────────

5.5 Patient Leakage Current

Measurement Mode

Page 80

────────────────────────────────────────────────────

NOTE

・When the auxiliary power socket does not fit the power plug of the

equipment to be measured, use the supplied power plug.

・When testing class 0I or other older models, use (UL1015, AWG #18 or

equivalent) wire to connect the G terminal with the protective earth terminal of the equipment to be measured.

・When measuring all patient connections simultaneously (type B applied

part), or measuring patient connections simultaneously for each function (type BF applied part), have on hand a measuring instrument that can handle multiple measurements.

・Use wire for connecting the functional earth terminals of the equipment to

be measured, or the accessible metal part which is not an applied part nor is earthed to the ground.

(2) Internally powered equipment

1. Connect the red 9170 TEST LEAD to the leakage current measurement terminal T2, and the black one to T1. No power cord connection is made.

2. Touch the red 9170 TEST LEAD to the applied part, and the black one to the enclosure of the equipment to be measured.

NOTE

Insulating transforme

Black 9170 TSET LEAD

Red 9170 TSET LEAD

Applied par

Equipment t be measured

・When testing class 0I or other older models, use (UL1015, AWG #18 or

equivalent) wire to connect the G terminal with the protective earth terminal of the equipment to be measured.

・When measuring all patient connections simultaneously (type B applied

part), or measuring patient connections simultaneously for each function (type BF applied part), have on hand a measuring instrument that can handle multiple measurements.

────────────────────────────────────────────────────

5.5 Patient Leakage Current

Measurement Mode

Page 81

Patient leakage current measurement mode screen

Polarity and equipment condition set-up window

Initial screen

Equipment set-up screen

Select and press the keys for the power s m M w F S

Setting."

Measurement starts automatically

Allowable value set-up window

Measurement network filter set-up window

Set the filter.

Measurement current set-up window

Set the measurement current.

Set the allowable value referring to Section 5 (

e j Value Judgment Set-up Screen.")

Set the grounding class and applied p m name and number.

────────────────────────────────────────────────────

.5.3 Basic Settings for Patient Leakage Current

Measurement

This illustrates basic settings and reference categories until measurement. Preparations for measurement follow Section 5.5.2, "Connecting Equipment for Patient Leakage Current

art type of the equipment to be

easured, and register the model

ource polarity and equipment to be

easured to set.

easurement continues even while the indow is open. or automatic measurement, refer to

ection 5.10.3, "Automatic Measureme

.10.1, "Allowable Value Setting."

────────────────────────────────────────────────────

For enabling or disabling the allowable valu

udgment, refer to Section 5.11.4, "Allowable

5.5 Patient Leakage Current

Measurement Mode

Page 82

３１４

２

４

６

７

３

９

０

１

２

６

７

８

５

────────────────────────────────────────────────────

.5.4 Patient Leakage Current Measurement Screen

Measurement of patient leakage current is made on the patient leakage current The current measured value, maximum value, and setting condition are shown on the patient leakage current Further, windows for changing the measurement settings can be opened from this screen.

measurement screen.

１

５

８

１

(1) Setting condition display

Parameter Explanation

Maximum value The maximum measured value obtained in the current measuring mode

Changing the measuring mode will clear this value. In cases where the measurement current is DC, and a minus value is measured, is displayed. (When this value is 1 μA or lower, "UNDER 1 μA" is displayed.)

Maximum value judgment Result of comparison of the maximum value with the allowable value

(In cases where the measurement current is DC, an absolute value.)

PASS: Allowable value or lower FAIL: Higher than the allowable value

Power source polarity for the

maximum value

Condition of the equipment t

be measured for the maximum value

Current value Value obtained from the current measurement

Current value judgment Result of comparison of the current value with the allowable value

Connection with the power source Normal: , Reverse:

Condition of the equipment to be measured Normal condition: Single fault condition (open power lead): Single fault condition (open ground):

In cases where the measurement current is DC, and a minus value is measured, is displayed. (When this value is 1 μA or lower, "UNDER 1 μA" is displayed.)

(In cases where the measurement current is DC, an absolute value.)

PASS: Allowable value or lower FAIL: Higher than the allowable value

────────────────────────────────────────────────────

5.5 Patient Leakage Current

Measurement Mode

Page 83

────────────────────────────────────────────────────

Power source polarity for the

current value

Condition of the equipment t

be measured for the current value

Connection with the power source Normal:

, Reverse:

Condition of the equipment to be measured Normal condition: Single fault condition (open power lead): Single fault condition (open ground):

Allowable value Current setting of the allowable value in normal condition or single fault

condition

Setting display for the

equipment to be measured

The following parameters are displayed: Settings of the equipment to be measured Model name, Number, Current consumption monitor value, Line voltage monitor value

(2) Settings

Key Description of the function

(Clear the maximum value)

Opens the polarity and equipment condition set-up window.

1. Select either the or mode. For automatic measurement, refer to Section 5.10.3, "Automatic

Measurement Setting."

2. When in the manual mode, in addition to making measurements while

changing the polarity and condition of the equipment to be measured, the maximum value data can be printed out or saved.

Power source polarity selection: NORMAL: , REVERSE:

Condition of the equipment to be measured: Normal condition: Single fault condition (open power lead): Single fault condition (open ground):

Opens the measurement network filter set-up window. Select either filter ON or OFF.

: Network with frequency characteristics : Network with uninducted resistance of only 1 kΩ

Opens the measurement current set-up window. Set the current.

: AC, : DC, : AC+DC

For details, refer to Section 5.10.4, "Measurement Current Setting."

Opens the print-out window. Prints out the maximum value displayed on the screen. For details, refer to Section 5.10.5, "Printing out the Maximum Values."

Opens the save data window. For details, refer to Section 5.10.6, "Saving the Maximum Values."

────────────────────────────────────────────────────

Exits the patient leakage current measurement, and returns to the initial screen.

5.5 Patient Leakage Current

Measurement Mode

Page 84

────────────────────────────────────────────────────

.6 Patient Leakage Current Measurement Mode

.6.1 Patient Leakage Current Measurement Mode

Patient leakage current measurement for medical electrical equipment is performed only for equipment with a type B applied part. Plug the power cord of the equipment to be measured into the auxiliary socket for the 3155, and make a measurement by touching 9170 TEST LEADS to the test point (applied part), and applying voltage from the optional 9196 APPLY UNIT. For internally powered equipment, to achieve 250 V output, use the 9196 APPLY UNIT in combination with a regulated power supply. (Other voltage application units can also be used to make measurements.) The following combinations are measured under the patient leakage current measurement.

Condition of the equipment to be measured Power source polarity

Single fault conditio

110% voltage applied

(normal polarity)

110% voltage applied

(reverse polarity)

Measurement types and their allowable values

Class equipment

Patient leakage current

Class equipment

Patient leakage current

Type B applied part

Single fault condition

110%

oltag

pplie

− − − 5mA − − −−− − −−

Type B applied part

Single fault condition

110%

oltag

pplie

− − − 5mA − − −−− − −−

Normal polarity

Reverse polarity

Normal polarity

Reverse polarity

Internally powered

equipment

Patient leakage current

Type B applied part

Single fault condition

110%

oltag

pplie

− − − 5mA otes

nd 2

− − −−− − −−

Note 1: 110% voltage application to internally powered equipment can be either

normal or reverse polarity.

Note 2: For internally powered equipment, for 250 V applications under IEC 60601-1

(1988-12) + am1 (1991-11) + am2 (1995-03) standards, 110% voltage of the 3155’s power source voltage is applied via the 9196 APPLY UNIT.

────────────────────────────────────────────────────

5.6 Patient Leakage Current

Measurement Mode

Page 85

────────────────────────────────────────────────────

NOTE

・Measurements shown in the shaded portions of the tables (110% voltage

application) require the optional 9196 VOLTAGE APPLY UNIT or other power sources.

・Do not apply 110% voltage if there is any chance that circuitry or other

physical components of the instrument might be damaged.

.6.2 Connecting Equipment for Patient Leakage Current

Measurement

CAUTIO

・The maximum current that can be input into the leakage current

・The rated capacity of the auxiliary power socket is 1500 VA or less. If this

・When power of the equipment to be measured exceeds 1500VA, make the

・If the voltage application button to the 9196 APPLY UNIT is ON, the danger

of electrical shock is present. Turn the voltage application button OFF when not making measurements.

・Use an insulating transformer.

equipment, connect the protective earth conducto

────────────────────────────────────────────────────

5.6 Patient Leakage Current

Measurement Mode

Page 86

────────────────────────────────────────────────────

1. Plug the power cord of the equipment to be measured into the auxiliary power socket found on the right side of the 3155. No connection is made for internally powered equipment.

2. Connect the red 9170 TEST LEAD to the leakage current measurement terminal T2.

3. Touch the red 9170 TEST LEAD to the applied part of the equipment to be measured.

4. For 110% applied voltage Make the appropriate output settings for the 9196 APPLY UNIT. Set the polarity toggle switch and the type toggle switch to match the applied part type of the equipment to be measured. POLARITY: NORMAL or REVERSE APPLIED PART (TYPE): B/BF (Set the type toggle switch to B/BF.) Touch the voltage application probe of the 9196 APPLY UNIT to the signal input or signal output part without protective grounding of the equipment to be measured. Press the voltage application button on the voltage application probe. The application of voltage is in effect only as long as the button is being pressed.

NOTE

Red 9170 TEST LEAD

Insulating transforme

Equipment t be measured

919

Signal input or signal output par which is not protectively earthed

・When the auxiliary power socket does not fit the power plug of the

equipment to be measured, use the supplied power plug.

・When testing class 0I or other older models, use (UL1015, AWG #18 or

equivalent) wire to connect the G terminal with the protective earth terminal of the equipment to be measured.

・When measuring all patient connections simultaneously (type B applied

part), or measuring patient connections simultaneously for each function (type BF applied part), have on hand a measuring instrument that can handle multiple measurements.

・Use wire for connecting the functional earth terminals of the equipment to

be measured, or the accessible metal part which is not an applied part nor is earthed to the ground.

・Do not apply 110% voltage if there is any chance that circuitry or other

physical components of the instrument might be damaged.

────────────────────────────────────────────────────

5.6 Patient Leakage Current

Measurement Mode

Page 87

Patient leakage current measurement mode screen

Polarity and equipment condition set-up window

Initial screen

Equipment set-up screen

Select and press the key for the power s M w F S

Setting."

Measurement starts automatically

Allowable value set-up window

Measurement network filter set-up window

Set the filter.

Set the allowable value referring to Section 5 (

e j Value Judgment Set-up Screen.")

Set the grounding class of the e Select the type B applied part.

────────────────────────────────────────────────────

.6.3 Basic Settings for Patient Leakage Current

Measurement

This illustrates basic settings and reference categories until measurement. Preparations for measurement follow Section 5.6.2, "Connecting Equipment for Patient Leakage Current

quipment to be measured.

ource polarity to set.

easurement continues even while the indow is open. or automatic measurement, refer to

ection 5.10.3, "Automatic Measureme

.10.1, "Allowable Value Setting."

For enabling or disabling the allowable valu

────────────────────────────────────────────────────

udgment, refer to Section 5.11.4, "Allowable

5.6 Patient Leakage Current

Measurement Mode

Page 88

３１４

０

１

２１５１６１７

────────────────────────────────────────────────────

.6.4 Patient Leakage Current Measurement Screen

１

measurement screen.

２

measurement screen.

１

５６

７

８

１

３

４

１

９

１

(1) Setting condition display

Parameter Explanation

Maximum value The maximum measured value obtained in the current measuring mode

Changing the measuring mode will clear this value. (When this value is 1 μA or lower, "UNDER 1 μA" is displayed.)

Maximum value judgment Result of comparison of the maximum value with the allowable value

PASS: Allowable value or lower FAIL: Higher than the allowable value

Power source polarity for the

maximum value

Condition of the equipment t

be measured for the maximum value

Connection with the power source Normal: , Reverse:

Condition of the equipment to be measured Single fault condition (110% voltage applied):

Current value Value obtained from the current measurement

(When this value is 1 μA or lower, "UNDER 1 μA" is displayed.)

Current value judgment Result of comparison of the current value with the allowable value

PASS: Allowable value or lower FAIL: Higher than the allowable value

Power source polarity for the

current value

Condition of the equipment t

be measured for the current value

────────────────────────────────────────────────────

5.6 Patient Leakage Current

Connection with the power source Normal:

, Reverse:

Condition of the equipment to be measured Single fault condition (110% voltage applied):

Measurement Mode

Page 89

────────────────────────────────────────────────────

Allowable value Current setting of the allowable value (Single fault condition only)

Setting display for the

equipment to be measured

The following parameters are displayed: Settings of the equipment to be measured Model name, Number, Current consumption monitor value, Line voltage monitor value

(2) Settings

Key Description of the function

(Clear the maximum value)

Opens the allowable value set-up window. (Single fault condition only) Range of the allowable value: 5 μAto20mA For details, refer to Section 5.10.1, "Allowable Value Setting."

Opens the polarity and equipment condition set-up window.

1. Select either the or mode. For automatic measurement, refer to Section 5.10.3, "Automatic Measurement Setting."

2. When in the manual mode, in addition to making measurements while changing the polarity and condition of the equipment to be measured, the maximum value data can be printed out or saved.

Power source polarity selection:

NORMAL: , REVERSE:

Opens the measurement network filter set-up window. Select either filter ON or OFF.

: Network with frequency characteristics : Network with uninducted resistance of only 1 kΩ

Opens the print-out window. Prints out the maximum value displayed on the screen. For details, refer to Section 5.10.5, "Printing out the Maximum Values."

Opens the save data window. For details, refer to Section 5.10.6, "Saving the Maximum Values."

Exits the patient leakage current measurement, and returns to the initial screen.

────────────────────────────────────────────────────

5.6 Patient Leakage Current

Measurement Mode

Page 90

────────────────────────────────────────────────────

.7 Patient Leakage Current Measurement Mode

.7.1 Patient Leakage Current Measurement Mode

Patient leakage current measurement for medical electrical equipment is performed only for equipment with a type BF or type CF applied part. Plug the power cord of the equipment to be measured into the auxiliary socket for the 3155, and make a measurement by touching 9170 TEST LEADS to the test point (applied part), and applying voltage from the optional 9196 APPLY UNIT. For internally powered equipment, to achieve 250 V output, use the 9196 APPLY UNIT in combination with a regulated power supply. (Other voltage application units can also be used to make measurements.) The following combinations are measured under the patient leakage current measurement.

Condition of the equipment to be measured Power source polarity

Single fault conditio

110% voltage applied

(normal polarity)

110% voltage applied

(reverse polarity)

NOTE

・In the patient leakage current

not used.

・For internally powered equipment, use wire for connecting the signal input

and output parts which are not protectively earthed to the ground.

Measurement types and their allowable values

Class equipment

Patient leakage current

Class equipment

Patient leakage current

− − − − − − − 5mA − − − 0.05m

Normal polarity

Reverse polarity

Normal polarity

Reverse polarity

measurement mode, the 50 μA range is

Type BF applied part Type CF applied part

Single fault condition Single fault condition

110%

oltag pplie

Type BF applied part Type CF applied part

Single fault condition Single fault condition

110%

oltag pplie

110%

oltag pplie

110%

oltag pplie

Internally powered

equipment

Patient leakage current

− − − − − − − 5mA

Type BF applied part Type CF applied part

Single fault condition Single fault condition

110%

oltag pplie

− − − 0.05m

otes

nd 2

110%

oltag pplie

otes

nd 2

────────────────────────────────────────────────────

5.7 Patient Leakage Current

Measurement Mode

Page 91

────────────────────────────────────────────────────

Note 1: 110% voltage application to internally powered equipment can be

either normal or reverse polarity

Note 2: For internally powered equipment, for 250 V applications under IEC

60601-1 (1988-12) + am1 (1991-11) + am2 (1995-03) standards, 110% voltage of the 3155’s power source voltage is applied via the 9196 APPLY UNIT.

NOTE

・Measurements shown in the shaded portions of the tables (110% voltage

application) require the optional 9196 APPLY UNIT or other power sources.

・Do not apply 110% voltage if there is any chance that circuitry or other

physical components of the instrument might be damaged.

.7.2 Connecting Equipment for Patient Leakage Current

Measurement

CAUTIO

・The maximum current that can be input into the leakage current

・The rated capacity of the auxiliary power socket is 1500 VA or less. If this

・When power of the equipment to be measured exceeds 1500VA, make the

・If the voltage application button to the 9196 APPLY UNIT is ON, the danger

of electrical shock is present. Turn the voltage application button OFF when not making measurements.

・Use an insulating transformer.

equipment, connect the protective earth conducto

────────────────────────────────────────────────────

5.7 Patient Leakage Current

Measurement Mode

Page 92

────────────────────────────────────────────────────

1. Plug the power cord of the equipment to be measured into the auxiliary power socket found on the right side of the 3155. No power cord connection is made for internally powered equipment.

2. Connect the black 9170 TEST LEAD to the leakage current measurement terminal T1.

3. Make the appropriate output settings for the 9196 APPLY UNIT. Set the polarity toggle switch and the type toggle switch to match the applied part type of the equipment to be measured. POLARITY: NORMAL or REVERSE APPLIED PART (TYPE): B/BF, CF

4. Perform zero adjustment. For details, refer to Section 5.7.3, "Zero Adjustment (ME Equipment - Patient Leakage Current

)."

5. Touch the black 9170 TEST LEAD to the applied part of the equipment to be measured.

6. Touch the tip of the voltage application probe of the 9196 APPLY UNIT to the leakage current measurement terminal T2 of the 3155.

7. For 110% applied voltage Press the voltage application button on the voltage application probe. The application of voltage is in effect only as long as the button is being pressed.

NOTE

Insulating transforme

Black 9170 TEST LEAD

Equipment t be measured

919

F-type applied par

・Do not apply 110% voltage if there is any chance that circuitry or other

physical components of the instrument might be damaged.

・When the auxiliary power socket does not fit the power plug of the equipment

to be measured, use the supplied power plug.

・Use wire for connecting the accessible metal part which is not an applied part

nor is earthed of the equipment to be measured to the ground, and connect it to the functional earth terminal on the rear panel of the 9196 APPLY UNIT.

・When the enclosure of the internally powered equipment is insulating

material, make a measurement on a metal plate larger than the equipment to be measured.

・When testing class 0I or other older models, use (UL1015, AWG #18 or

equivalent) wire to connect the G terminal with the protective earth terminal of the equipment to be measured.

・When measuring all patient connections simultaneously (type B applied part),

or measuring patient connections simultaneously for each function (type BF applied part), have on hand a measuring instrument that can handle multiple measurements.

────────────────────────────────────────────────────

5.7 Patient Leakage Current

Measurement Mode

Page 93

9196

Equipment to b

────────────────────────────────────────────────────

.7.3 Zero Adjustment (ME Equipment - Patient Leakage

Current )

In cases where the voltage from the 9196 APPLY UNIT or other voltage application devices is applied to the 3155 when making a measurement, the measured value may be subject to synchronous voltage. In which case, an accurate measurement cannot be obtained without first performing zero adjustment. Always perform zero adjustment before measuring. After performing zero adjustment, the value remains in memory even if the measuring mode is changed. If the voltage of the voltage application device is changed, perform zero adjustment again. Zero adjustment is possible in a range from 0 to 500 μA.

Zero Adjustment

1. Touch the tip of the voltage application probe of the 9196 APPLY UNIT to the leakage current measurement terminal T2 of the 3155. In this case, do not connect the black 9170 TEST LEAD to the leakage current measurement terminal T1 and the applied part of the equipment to be measured.

2. Make any necessary settings for the 9196 APPLY UNIT output.

3. Press the voltage application button to the probe. Voltage is applied only when the button is being pressed.

4. Press the adjustment is finished, indicates that zero adjustment is effective. Press the release zero adjustment.

5. Turn OFF the voltage application button to the probe.

key on the screen to perform zero adjustment. When zero

is displayed on the measuring mode screen, and

Insulating transforme

e measured

key again to

────────────────────────────────────────────────────

5.7 Patient Leakage Current

Measurement Mode

Page 94

Patient leakage current measurement mode screen

Polarity and equipment condition set-up window

Initial screen

Equipment set-up screen

Select and press the key for the power s M w F S

Setting."

Measurement starts automatically

Allowable value set-up window

Measurement network filter set-up window

Set the filter.

Set the allowable value referring to Section 5 (

e j Value Judgment Set-up Screen.")

Set the grounding class of the e S

part.

────────────────────────────────────────────────────

.7.4 Basic Settings for Patient Leakage Current

Measurement

This illustrates basic settings and reference categories until measurement. Preparations for measurement follow Section 5.7.2, "Connecting Equipment for Patient Leakage Current

quipment to be measured.

elect the type BF or CF applie

ource polarity to set.

easurement continues even while the

indow is open. or automatic measurement, refer to ection 5.10.3, "Automatic Measureme

.10.1, "Allowable Value Setting." For enabling or disabling the allowable valu udgment, refer to Section 5.11.4, "Allowable

────────────────────────────────────────────────────

5.7 Patient Leakage Current

Measurement Mode

Page 95

３１４

０１１

２

6１7１8

────────────────────────────────────────────────────

.7.5 Patient Leakage Current Measurement Screen

measurement screen.

２

１

５６

７

３８

１

４

１

９

１

(1) Set-up status display

Parameter Explanation

Maximum value The maximum measured value obtained in the current measuring mode

Changing the measuring mode will clear this value. (When this value is 1 μA or lower, "UNDER 1 μA" is displayed.)

Maximum value judgment Result of comparison of the maximum value with the allowable value

PASS: Allowable value or lower FAIL: Higher than the allowable value

Power source polarity for the

maximum value

Condition of the equipment t

be measured for the maximum value

Current value Value obtained from the current measurement

Current value judgment Result of comparison of the current value with the allowable value

Connection with the power source Normal: , Reverse:

Condition of the equipment to be measured Single fault condition (110% voltage applied):

(When this value is 1 μA or lower, "UNDER 1 μA" is displayed.)

PASS: Allowable value or lower FAIL: Higher than the allowable value

Power source polarity for the

current value

────────────────────────────────────────────────────

Connection with the power source Normal:

, Reverse:

5.7 Patient Leakage Current

Measurement Mode

Page 96

────────────────────────────────────────────────────

Condition of the equipment t

be measured for the current value

Condition of the equipment to be measured Single fault condition (110% voltage applied):

Allowable value Current setting of the allowable value (Single fault condition only)

Setting display for the

equipment to be measured

The following parameters are displayed: Settings of the equipment to be measured Model name, Number, Current consumption monitor value, Line voltage monitor value

(2) Settings

Key Description of the function

(Clear the maximum value)

Opens the allowable value set-up window. (Single fault condition only) Range of the allowable value: 5 μAto20mA For details, refer to Section 5.10.1, "Allowable Value Setting."

Opens the polarity and equipment condition set-up window.

1. Select either the or mode. For automatic measurement, refer to Section 5.10.3, "Automatic Measurement Setting."

2. When in the manual mode, in addition to making measurements while changing the polarity and condition of the equipment to be measured, the maximum value data can be printed out or saved.

Power source polarity selection: NORMAL:

, REVERSE:

Opens the measurement network filter set-up window. Select either filter ON or OFF.

: Network with frequency characteristics : Network with uninducted resistance of only 1 kΩ

Zero adjustment function Press this key to perform zero adjustment before measuring.

When zero adjustment is effective, is displayed on the screen. For details, refer to Section 5.7.3, "Zero Adjustment (ME Equipment - Patient Leakage Current )."

Opens the print-out window. Prints out the maximum value displayed on the screen. For details, refer to Section 5.10.5, "Printing out the Maximum Values."

Opens the save data window. For details, refer to Section 5.10.6, "Saving the Maximum Values."

Exits the patient leakage current measurement, and returns to the initial screen.

────────────────────────────────────────────────────

5.7 Patient Leakage Current

Measurement Mode

Page 97

────────────────────────────────────────────────────

.8 Patient Auxiliary Current Measurement Mode

.8.1 Patient Auxiliary Current Measurement Mode

Patient auxiliary current measurement for medical electrical equipment is made with both alternating (AC) and direct (DC) current. Plug the power cord of the equipment to be measured into the auxiliary socket for the 3155, and make a measurement by touching the 9170 TEST LEADS to the test point (applied part). The following combinations are measured under the patient auxiliary current measurement.

Condition of the equipment to be measured Power source polarity Measurement curren

Normal condition Normal polarity AC

Reverse polarity AC

Single fault conditio

Open power lead Normal polarity AC

Reverse polarity AC

Open ground Normal polarity AC

Reverse polarity AC

NOTE

When making measurements of internally powered equipment, only the normal condition is measured. For the concept of leakage current in medical electrical equipment and its wiring when using the 3155, refer to Appendix 2.1, "IEC 60601-1 (1988-12) + am1 (1991-11) + am2 (1995-03)."

────────────────────────────────────────────────────

5.8 Patient Auxiliary Current Measurement Mode

Page 98

al i-

────────────────────────────────────────────────────

Measurement types and their allowable values

Class equipment

Patient auxiliary current

Direct curren

Alternating

current

Class equipment

Patient auxiliary current

Direct curren

Alternating

current

Internally powered

equipment

Patient auxiliary current

Direct curren

Alternating

current

Type B applied part Type BF applied part Type CF applied part

orm

Single fault conditionNorm

cond

0.01mA0.05mA0.05mA− 0.01mA0.05mA0.05mA− 0.01mA0.05mA0.05mA−

0.1mA 0.5mA 0.5mA − 0.1mA 0.5mA 0.5mA − 0.01mA0.05mA0.05mA−

tion

Open powe ead *

Open

groun

cond

Single fault conditionNorm

tion

Open powe ead *

Open

groun

cond

tion

Single fault condition

Open powe ead *

Open

groun

Type B applied part Type BF applied part Type CF applied part

Single fault condition

orm

cond

tion

Open

powe

cond

ead *

0.01mA0.05mA− − 0.01mA0.05mA− − 0.01mA0.05mA− −

0.1mA 0.5mA − − 0.1mA 0.5mA − − 0.01mA0.05mA− −

Single fault condition

orm

Open

tion

powe ead *

orm

cond

tion

Single fault condition

Open powe ead *

Type B applied part Type BF applied part Type CF applied part

orm

cond

tion

0.01mA− − − 0.01mA− − − 0.01mA− − −

0.1mA − − − 0.1mA − − − 0.01mA− − −

orm

cond

tion

orm

cond

tion

*1: Interruption of one supply conductor *2: Interruption of a protective earth conductor

────────────────────────────────────────────────────

5.8 Patient Auxiliary Current Measurement Mode

Page 99

────────────────────────────────────────────────────

.8.2 Connecting Equipment for Patient Auxiliary Current

Measurement

CAUTIO

・The maximum current that can be input into the leakage current

・The rated capacity of the auxiliary power socket is 1500 VA or less. If this

・When power of the equipment to be measured exceeds 1500VA, make the

・Use an insulating transformer.

equipment, connect the protective earth conducto

1. Plug the power cord of the equipment to be measured into the auxiliary power socket found on the right side of the 3155. No connection is made for

internally powered equipment.

2. Connect the black 9170 TEST LEAD to the leakage current measurement terminal T1, and the red one to T2.

3. Touch the red and black 9170 TEST LEADS between the applied parts of the equipment to be measured.

────────────────────────────────────────────────────

5.8 Patient Auxiliary Current Measurement Mode

Page 100

────────────────────────────────────────────────────

Insulating transforme

Red 9170 TEST LEAD

NOTE

Black 9170 TEST LEAD

Applied part

Equipment t be measured

・When the auxiliary power socket does not fit the power plug of the

equipment to be measured, use the supplied power plug.

・When testing class 0I or other older models, use (UL1015, AWG #18 or

equivalent) wire to connect the G terminal with the protective earth terminal of the equipment to be measured.

・Use wire for connecting the functional earth terminals of an equipment to

be measured to the ground.

────────────────────────────────────────────────────

5.8 Patient Auxiliary Current Measurement Mode

Hioki 3155, 3155-01 Instruction Manual

Specifications and Main Features

Frequently Asked Questions

User Manual