Hioki 3155, 3155-01 Instruction Manual

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INSTRUCTION MANUAL

3155-01

LEAK CURRENT HiTESTER

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

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

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

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

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

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

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

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

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.

iii

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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

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

vii

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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

viii

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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 .

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1.2 Features of the 3155

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.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."

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1.3 Measuring Mode of the 3155

)

r y

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.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

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1.4 Leakage Measurement Types

)

) )

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.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)

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1.5 Standards Regarding Leakage Current

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Chapter

Names and Functions

Par

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Enlarged diagram of the terminal section

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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.

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101312

3155

101413

3155-01

Voltage selector key

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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

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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."

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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."

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+ 336 hidden pages

Hioki 3155, 3155-01 Instruction Manual

Specifications and Main Features

Frequently Asked Questions

User Manual