Fluke 743B, 741B User Manual

99 Washington Street

Melrose, MA 02176

Phone [phone]

Toll Free 1-800-517-8431

Visit us at www.TestEquipmentDepot.com

PN 644788

June 1997 Rev.1, 3/98

© 1997, 1998 Fluke Corporation. All rights reserved. Printed in U.S.A. All product names are trademarks of their respective companies.

®

741B/743B

Documenting Process Calibrator

Users Manual

LIMITED WARRANTY & LIMITATION OF LIABILITY

Each Fluke product is warranted to be free from defects in material and workmanship under normal use and service. The warranty period is three years and begins on the date of shipment. Parts, product repairs and services are warranted for 90 days. This warranty extends only to the original buyer or end-user customer of a Fluke authorized reseller, and does not apply to fuses, disposable batteries or to any product which, in Fluke’s opinion, has been misused, altered, neglected or damaged by accident or abnormal conditions of operation or handling. Fluke warrants that software will operate substantially in accordance with its functional specifications for 90 days and that it has been properly recorded on non-defective media. Fluke does not warrant that software will be error free or operate without interruption.

Fluke authorized resellers shall extend this warranty on new and unused products to end-user customers only but have no authority to extend a greater or different warranty on behalf of Fluke. Warranty support is available if product is purchased through a Fluke authorized sales outlet or Buyer has paid the applicable international price. Fluke reserves the right to invoice Buyer for importation costs of repair/replacement parts when product purchased in one country is submitted for repair in another country.

Fluke’s warranty obligation is limited, at Fluke’s option, to refund of the purchase price, free of charge repair, or replacement of a defective product which is returned to a Fluke authorized service center within the warranty period.

To obtain warranty service, contact your nearest Fluke authorized service center or send the product, with a description of the difficulty, postage and insurance prepaid (FOB Destination), to the nearest Fluke authorized service center. Fluke assumes no risk for damage in transit. Following warranty repair, the product will be returned to Buyer, transportation prepaid (FOB Destination). If Fluke determines that the failure was caused by misuse, alteration, accident or abnormal condition of operation or handling, Fluke will provide an estimate of repair costs and obtain authorization before commencing the work. Following repair, the product will be returned to the Buyer transportation prepaid and the Buyer will be billed for the repair and return transportation charges (FOB Shipping Point).

THIS WARRANTY IS BUYER’S SOLE AND EXCLUSIVE REMEDY AND IS IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. FLUKE SHALL NOT BE LIABLE FOR ANY SPECIAL, INDIRECT, INCIDENTAL OR CONSEQUENTIAL DAMAGES OR LOSSES, INCLUDING LOSS OF DATA, WHETHER ARISING FROM BREACH OF WARRANTY OR BASED ON CONTRACT, TORT, RELIANCE OR ANY OTHER THEORY.

Since some countries or states do not allow limitation of the term of an implied warranty, or exclusion or limitation of incidental or consequential damages, the limitations and exclusions of this warranty may not apply to every buyer. If any provision of this Warranty is held invalid or unenforceable by a court of competent jurisdiction, such holding will not affect the validity or enforceability of any other provision.

Fluke Corporation	Fluke Europe B.V.
P.O. Box 9090	P.O. Box 1186
Everett WA 98206-9090	5602 B.D.
U.S.A	Eindhoven, The Netherlands

5/94

Table of Contents

Title	Page
Introduction....................................................................................................................	1
Standard Equipment......................................................................................................	4
Safety Information .........................................................................................................	7
Getting Started Exercise ...............................................................................................	10
Operating Features .......................................................................................................	12
Input and Output Jacks.............................................................................................	12
Keys ........................................................................................................................	14
Display......................................................................................................................	17
Setting Up the Calibrator ...............................................................................................	19
Using the Strap and Bail...........................................................................................	19
Charging the Battery.................................................................................................	20
Battery Life ...............................................................................................................	22
Preserving Battery Life .............................................................................................	23
Using the Optional Battery Eliminator.......................................................................	23
Selecting the Display Language ...............................................................................	24
Adjusting the Display Contrast..................................................................................	24

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Displaying the Date and Time ...................................................................................	24
Using the Backlight ...................................................................................................	26
Personalizing the Calibrator ......................................................................................	26
Using Measure Mode.....................................................................................................	28
Measurement Ranges...............................................................................................	28
Measuring Electrical Parameters ..............................................................................	28
Testing Continuity .....................................................................................................	30
Measuring Pressure ..................................................................................................	30
Measuring Temperature............................................................................................	34
Using Thermocouples ..........................................................................................	34
Using Resistance-Temperature Detectors (RTDs) ...............................................	37
Measurements in Percent of Scale ...........................................................................	41
Linear-Output Transmitters ..................................................................................	41
Square-Law Process Variables ............................................................................	41
Customizing mV Input Units......................................................................................	42
Damping Your Measurements...................................................................................	43
Using Source Mode .......................................................................................................	44
Sourcing Electrical Parameters.................................................................................	44
Simulating a 4 to 20 mA Transmitter.........................................................................	46
Supplying Loop Power ..............................................................................................	48
Sourcing Pressure.....................................................................................................	50
Simulating Thermocouples........................................................................................	53
Simulating RTDs .......................................................................................................	54
Sourcing in Percent of Scale.....................................................................................	57
Linear-Responding Transmitters ..........................................................................	57
Square-Law Process Variables ............................................................................	57
Stepping and Ramping the Output Value..................................................................	58
Using Manual Step ...............................................................................................	58

ii

	Contents (continued)
Using Auto Step...................................................................................................	59
Ramping the Output.............................................................................................	60
Simultaneous Measure/Source .....................................................................................	63
Calibrating a Process Instrument ..................................................................................	66
Generating “As Found” Test Data.............................................................................	66
Adjusting the Transmitter..........................................................................................	71
“As Left” Test Run ....................................................................................................	72
Test Comments ........................................................................................................	73
Calibrating a Delta-Pressure Flow Instrument ..........................................................	73
Calibrating a Limit Switch .........................................................................................	74
Transmitter Mode ..........................................................................................................	77
Memory Operations.......................................................................................................	79
Saving Results..........................................................................................................	79
Reviewing Memory ...................................................................................................	81
Data Logging (Model 743B Only) .............................................................................	81
Recording Min and Max Measurements ...................................................................	84
Running a Preloaded Task (743B only)....................................................................	84
Clearing Memory ......................................................................................................	84
Using the Built-in Calculator ..........................................................................................	85
Saving to and Recalling from the Registers..............................................................	85
Using the Calculator to Set the Source Value ..........................................................	86
Quick Guide to Applications ..........................................................................................	86
Communicating with a PC (Model 743 Only).................................................................	96
Maintenance..................................................................................................................	96
Replacing the Battery Pack ......................................................................................	96
Internal Lithium Backup Battery................................................................................	97
Cleaning the Calibrator.............................................................................................	97
Calibration Data........................................................................................................	97

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In Case of Difficulty ...................................................................................................	97
Service Center Calibration or Repair ........................................................................	98
Replacement Parts....................................................................................................	99
Accessories....................................................................................................................	100
Specifications.................................................................................................................	102
DC Voltage Measurement.........................................................................................	103
AC Voltage Measurement .........................................................................................	104
DC Current Measurement .........................................................................................	105
Resistance Measurement..........................................................................................	105
Continuity Testing .....................................................................................................	106
Frequency Measurement ..........................................................................................	106
DC Voltage Output ....................................................................................................	107
DC Current Output ....................................................................................................	108
Resistance Sourcing .................................................................................................	109
Frequency Sourcing ..................................................................................................	110
Temperature, Thermocouples...................................................................................	111
Temperature, Resistance Temperature Detectors ....................................................	114
Loop Power Supply ...................................................................................................	116
Top and Bottom Limits of Ranges with Auto Range On............................................	117
General Specifications ..............................................................................................	119
Index .............................................................................................................................	121

iv

List of Tables

Table	Title	Page
1.	Summary of Source and Measure Functions .....................................................................	2
2.	Input/Output Jacks and Connectors ...................................................................................	12
3.	Key Functions ....................................................................................................................	15
4.	Battery Life .........................................................................................................................	22
5.	Thermocouple Types Accepted..........................................................................................	35
6.	RTD Types Accepted .........................................................................................................	37
7.	Simultaneous MEASURE/SOURCE Functions with Loop Power Disabled .......................	64
8.	Simultaneous MEASURE/SOURCE Functions with Loop Power Enabled ........................	65
9.	Replacement Parts.............................................................................................................	99

v

List of Figures

Figure	Title	Page
1.	Standard Equipment ..........................................................................................................	5
2.	Definition of Symbols .........................................................................................................	8
3.	Jumper Connections for Demonstration.............................................................................	11
4.	Measure/Source Example ..................................................................................................	11
5.	Input/Output Jacks and Connectors ...................................................................................	13
6.	Keys ...................................................................................................................................	14
7.	Elements of a Typical Display ............................................................................................	18
8.	Using the Bail and Installing the Strap ...............................................................................	19
9.	Removing the Battery and Using the Charger....................................................................	21
10.	Electrical Measurement Connections.................................................................................	29
11.	Gage and Differential Pressure Modules ...........................................................................	31
12.	Connections for Measuring Pressure .................................................................................	33
13.	Measuring Temperature with a Thermocouple...................................................................	36
14.	Using a Jumper Correctly...................................................................................................	39
15.	Measuring Temperature with an RTD ................................................................................	40
16.	Electrical Sourcing Connections ........................................................................................	45
17.	Connections for Simulating a 4 to 20 mA Transmitter........................................................	47

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18.	Connections for Supplying Loop Power..............................................................................	49
19.	Connections for Sourcing Pressure ....................................................................................	52
20.	Connections for Simulating a Thermocouple......................................................................	55
21.	Connections for Simulating an RTD ...................................................................................	56
22.	Checking a Relay Output Trip Alarm ..................................................................................	62
23.	Calibrating a Thermocouple Temperature Transmitter.......................................................	68
24.	Limit Switch Terminology....................................................................................................	74
25.	Calibrating a Chart Recorder..............................................................................................	87
26.	Measuring Voltage Drop .....................................................................................................	87
27.	Monitoring AC Line Voltage and Frequency .......................................................................	88
28.	Calibrating a Current-to-Pressure (I/P) Transmitter ............................................................	89
29.	Measuring the Output Current of a Transmitter ..................................................................	90
30.	Measuring a Precision Resistor ..........................................................................................	91
31.	Sourcing Resistance...........................................................................................................	91
32.	Checking a Switch ..............................................................................................................	92
33.	Checking a Tachometer......................................................................................................	92
34.	Calibrating a Pressure-to-Current (P/I) Transmitter............................................................	93
35.	Calibrating a mV to Current Transmitter .............................................................................	94
36.	Checking a Vortex Sheeding Flowmeter ............................................................................	95
37.	LCD Operating Environment Specification .........................................................................	120

viii

Documenting Process Calibrator

Introduction

∙General features:

Fluke 741B and 743B Documenting Process Calibrators (hereafter referred to as the calibrator) are battery-powered, hand-held instruments that measure and source electrical and physical parameters. See Table 1. The calibrator lets you troubleshoot, calibrate, verify, and document your work on process instruments. Calibrator Specifications are near the back of the manual.

A summary of the measuring and sourcing functions provided by the 741B and 743B calibrators is shown in Table 1. In addition to these functions, the calibrator has the following features:

An analog display to make it easy to read measurements when the input is unstable.

A setup option that lets you set the display to English, French, German, Italian, or Spanish.

A thermocouple (TC) input/output jack and internal isothermal block with automatic reference-junction temperature compensation. Or, you can manually enter an external temperature reference.

The ability to store results for later review.

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Table 1. Summary of Source and Measure Functions

Function

v dc V

hac V

hFrequency

qResistance mdc Current

qContinuity tThermocouple tRTD

Measure 2,3, or 4 wire.

Source 2 wire.

Measure	Source
0V to +/-300V	0V to 15V (10 mA max)
0V to 300V rms, 20 Hz to 5 kHz	No sourcing
1 Hz to 1 kHz (100 mV to 300V rms)	0.1V to 10V pk zero-symmetric sine or square
1 kHz to 30 kHz (0.5V to 30V rms)	wave, 0 Hz to 50 kHz
30 kHz to 50 kHz (1V to 30V rms)
0Ω to 11 kΩ	0Ω to 11 kΩ
0 mA to 110 mA	0 to 22 mA (28V max), sourcing or sinking
Beep and the word Short indicates continuity	No sourcing

Types E, N, J, K, T, B, R, S, C, L, or U

100Ω Platinum (3926)

100Ω Platinum (385)

120Ω Nickel (672)

200Ω Platinum (385)

500Ω Platinum (385)

1000Ω Platinum (385)

10Ω Copper (427)

100Ω Platinum (3916)

pPressure	27 modules ranging from 0 to 10 in. H2O	Note
	(2.5 kPa) to 0 to 10,000 psi (69,000 kPa)
sLoop Power	24 or 28V (22 mA max)

Note: Use an external hand pump or other pressure source as a pressure stimulus for the source pressure function.

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Documenting Process Calibrator

Introduction

The ability to automatically log up to 8,000 data points (Model 743B only).

A serial computer interface for uploading/downloading tasks, lists, and results (Model 743B only).

Automatic calibration procedures for transmitters and limit switches using split screen MEASURE/SOURCE mode.

Transmitter mode in which the calibrator can be configured to emulate the functions of a process instrument.

Built-in calculator with square-root function, and accessible registers containing measure and source values.

An optional bar code wand for entering alphanumeric characters (Model 743B only).

∙Measuring features:

Damping (smoothing of the last several readings), with display indicator of damped status.

Display of measurements in engineering units, percent of scale, square-law inputs, or custom units.

The ability to capture and display minimum and maximum measured levels.

∙Sourcing features:

The ability to set source values to engineering units, percent of scale, or square-law outputs.

Manual and automatic stepping, and an output ramp feature for testing limit switches. Trip detect is either a 1V change or a continuity status change (Open or Short) from one ramp increment to the next.

Unless stated otherwise, everything in this manual applies to both the Fluke 741B and 743B Documenting Process Calibrators.

For performance testing and calibration instructions order the 74X Series Calibration Manual (PN 602505).

The phone number in the USA and Canada for replacement parts is: 1-800-526-4731.

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741B/743B

Users Manual

For service help in the USA and Canada call a Fluke Service Center. For application or operation assistance on Fluke products call:

USA and Canada: 1-800-44-FLUKE

(1-800-443-5853)

Europe: [phone]

Japan: [phone]

Singapore: +65-*-276-6196

Anywhere in the world: [phone]

Or, visit Fluke’s Web site at www.fluke.com.

Standard Equipment

The items listed below and shown in Figure 1 are included with your calibrator. If the calibrator is damaged or something is missing, contact the place of purchase immediately. To order replacement parts or spares, see the user-replaceable parts list at the end of this manual.

∙TP20 test probes (one set)

∙BP7217 rechargeable nickel-cadmium battery pack

∙BC7210 battery charger with Instruction Sheet

∙Adjustable quick-release strap (PN 946769)

∙Jumper for three-wire RTD measurement connections (two included, PN 944632)

∙741B/743B Users Manual

English (PN 644788) French (PN 649688) German (PN 649696) Italian (PN 649704) Spanish (PN 649670)

∙DPC/TRACKä Software utility version with interface cable (9-pin male-female straightthrough, PN 943738).

∙TL24 industrial test leads (two sets)

∙AC20 test clips (two sets)

4

Documenting Process Calibrator

Standard Equipment

		V		V		TC
				Hz		RTD
		7		8	9	CLEAR	RANGE
						( ZERO)
		4		5	6
		1	2	3
AC20		0		.		ENTER
Test Clip	V	mA		mA		V
	RTD			RTD
(2 Red and 2 Black)		SOURCE		MEAS	300V	TC
					MAX
		30V MAX
TL24
Test Leads
(2 Red and 2 Black)
Jumper
(2 Black)
TP20
Test Probe
(1 Red and 1 Black)
	Strap
							gj1f.eps

Figure 1. Standard Equipment

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741B/743B

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Users		BP7217
Manual
		Nickel-Cadmium
7
V2.	1700	Battery Pack
	Ni
mAhCd-
BC7210		-NICKEL
Battery Charger		RECHARGEABLE
		CADMIUM
		BATTERY
		BP7217
or
		gj2f.eps

Figure 1. Standard Equipment (cont.)

6

Documenting Process Calibrator

Safety Information

Safety Information

This calibrator is designed and tested in accordance with CAN/CSA C22.2 No. 1010.1-92, ANSI/ISA S82.01-1994, UL3111 and EN610-10:1993. Use the calibrator only as specified in this manual, otherwise the protection provided by the calibrator may be impaired.

A Warning identifies conditions and actions that pose hazards to the user; a Caution identifies conditions and actions that may damage the calibrator or the equipment under test.

Symbols used on the calibrator and in this manual are explained in Figure 2.

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741B/743B

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AC-Alternating Current

CAUTION see explanation in manual

DC-Direct Current

Common (LO) Input equipotentiality

Fuse

Equipment protected throughout by DOUBLE INSULATION or

REINFORCED INSULATION

Pressure

Conforms to relevent European Union directives.

ON/OFF

Conforms to relevent Canadian Standards Association directives.

Overvoltage (Installation) Category II per IEC 1010-1 refers to the level

Recycling

CAT II

of Impluse Withstand Voltage protection provided. Typical locations

include; Mains Wall outlets, local appliances and PORTABLE

EQUIPMENT.

gj56f.eps

Figure 2. Definition of Symbols

To protect yourself, follow these safety guidelines:

∙Do not use the calibrator if it is damaged. Before you use the calibrator, inspect the insulating cover. Look for cracks or missing plastic. Pay particular attention to the insulation surrounding the connectors.

∙Disconnect the power and discharge all highvoltage capacitors in the equipment under test before testing resistance or continuity.

∙Inspect the test leads for damaged insulation or exposed metal. Check test lead continuity. Replace damaged test leads before using the calibrator.

8

Documenting Process Calibrator

Safety Information

∙Do not use the calibrator if it operates abnormally. Protection may be impaired. When in doubt, have the calibrator serviced.

∙Select the proper function and range for your measurement.

∙Use caution when working above 30V ac rms, 42V ac pk, or 60V dc. Such voltages pose a shock hazard.

∙When using the probes, keep your fingers away from the probe contacts. Keep your fingers behind the finger guards on the probes.

∙Connect the common test lead before you connect the live test lead. When you disconnect test leads, disconnect the live test lead first.

∙Do not operate the calibrator around explosive gas, vapor, or dust.

∙When using a pressure module, make sure the process pressure line is shut off and depressurized before you connect it to or disconnect it from the pressure module.

∙Disconnect test leads before changing to another measure or source function.

∙When servicing the calibrator, use only specified replacement parts.

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Getting Started Exercise

The following is a brief getting started exercise that will make it easier to understand the instructions in the rest of the manual.

1.When you first unpack the calibrator, you will need to charge the battery. See Figure 9 and charge the battery for 2 hours.

2.Reinstall the battery in the calibrator.

3.Connect the calibrator’s voltage output to its

voltage input as follows: connect leftmost pair of jacks (V Ω RTD SOURCE) to the right most pair of jacks (V MEAS). (See Figure 3.)

4.Press oto turn on the calibrator. Press uand dto adjust the display contrast for the best looking display. The calibrator powers up in the dc voltage measurement function, and is taking readings on the V MEAS pair of input jacks.

5.Press Mto switch to the SOURCE screen. The calibrator is still measuring dc voltage, and you can see the active measurements at the top of the display.

6.Press vto select dc voltage sourcing. Press 5 on the keypad and eto begin sourcing 5.0000V dc.

7.Now press Mto go to the split-screen, simultaneous MEASURE/SOURCE mode. The calibrator is simultaneously sourcing dc volts and measuring dc volts. You can see the measurement readings in the top window, and the active source value in the bottom window as shown in Figure 4.

10

Documenting Process Calibrator

Getting Started Exercise

V

RTD

30V MAX

V
7
4
1	2
	0
mA
SOURCE
30V
MAX

V
Hz
8	9
5	6
3
.
mA	V
RTD
CAT
MEAS	300V
30V	MAX
MAX

TC
RTD
CLEAR	RANGE
( ZERO)
ENTER
TC

gj4s.eps

Figure 4. Measure/Source Example

gj3f.eps

Figure 3. Jumper Connections for Demonstration

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Operating Features

Input and Output Jacks

Figure 5 shows the calibrator input and output jacks. Table 2 explains their use.

		Table 2. Input/Output Jacks and Connectors
No.	Name	Description
1	Battery Eliminator jack	Jack for the Model BE9005 Battery Eliminator. Use the battery eliminator for bench-top
		applications where ac line power is available. This input does not charge the battery.
2	wSERIAL PORT	Connects the calibrator to an RS-232 serial port on a personal computer.
	(743B Only)
3	Pressure module	Connects the calibrator to a pressure module.
	connector
4	TC input/output	Jack for measuring or simulating thermocouples. This jack accepts a miniature
		polarized thermocouple plug with flat, in-line blades spaced 7.9 mm (0.312 in) center to
		center.
5, 6	wMEAS V jacks	Input jacks for measuring voltage, frequency, or threeor four-wire RTDs (Resistance
		Temperature Detectors).
7, 8	wSOURCE mA,	Jacks for sourcing or measuring current, measuring resistance and RTDs, and
	MEAS mA Ω RTD	supplying loop power.
	jacks
9,10	wSOURCE V Ω	Output jacks for sourcing voltage, resistance, frequency, and for simulating RTDs.
	RTD jacks

12

Documenting Process Calibrator

Operating Features

743B DOCUMENTING PROCESS CALIBRATOR

	MEAS	mA	SETUP
	SOURCE

	V		V			TC
			Hz			RTD
	7		8	9		CLEAR	RANGE
						( ZERO)
	4		5	6
	1	2	3
	0		.			ENTER
V	mA		mA		V
RTD			RTD
			CAT
30V	SOURCE		MEAS		300V	TC
MAX	30V		30V		MAX
	MAX		MAX

10

5

9

8

7

6

1

2

3

4

ki05f.eps

Figure 5. Input/Output Jacks and Connectors

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Keys

Figure 6 shows the calibrator keys and Table 3 explains their functions. The softkeys are the four unmarked blue keys just below the display. Softkey functions are defined by the labels that appear above the softkey during operation. Softkey labels and other display text are shown in this manual in bold type, for example, Choices.

743B DOCUMENTING PROCESS CALIBRATOR

1 2 3

16

MEAS	mA	SETUP
SOURCE

15

V	V		TC
	Hz		RTD
7	8	9	CLEAR	RANGE
			( ZERO)
14
4	5	6
1	2	3
13	0	.	ENTER
V	mA	mA	V
RTD		RTD
		CAT
30V	SOURCE	MEAS	300V	TC
MAX	30V	30V
	MAX	MAX

4

5

6

7

8

9

10

11

12

ki06f.eps

Figure 6. Keys

14

				Documenting Process Calibrator
				Operating Features
				Table 3. Key Functions
		No.	Name	Description
	1		Mkey	Cycles the calibrator through MEASURE, SOURCE, and MEASURE/SOURCE modes.
	2		mkey	Selects mA (current) measure or source function. For loop power on/off, go to the Setup
				mode.
	3		skey	Enters and exits Setup mode to modify operating parameters.
	4		Softkeys	Perform the function defined by the label above each key on the display.
	5		Ckey	Turns the backlight on and off.
	6		pkey	Selects the pressure measurement or sourcing function.
	7		tkey	Selects TC (thermocouple) or RTD (resistance temperature detector) measurement or
				sourcing functions.
	8		rkey	Toggles between autorange and locked range, and increments range. Each time you press
				r, the calibrator locks on the next range. Press this key again for 2 seconds to resume
				autorange. In calculator mode, provides the square root function.
	9		ckey	Clears a partial data entry, or zeros the output when in the SOURCE mode. When using a
				pressure module, zeros the pressure module reading.

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		Table 3. Key Functions (cont.)
No.	Name	Description
10	u, d, L, and R	∙ Adjust the display contrast.
	keys	∙ Make choices from lists on the display.
		∙ Increase or decrease the source level when using the step feature.
		∙ In calculator mode, provide arithmetic functions (+ - ÷ ×).
11	ekey	Terminates a numeric entry when setting a source value, or confirms your choice in a
		list. In calculator mode, provides the equals arithmetic operator (=).
12	qkey	Toggles between resistance and continuity functions in MEASURE mode, or selects
		the resistance function in SOURCE mode.
13	Numeric keypad	Used whenever a numeric entry is required.
14	hkey	Toggles between ac voltage and frequency functions in MEASURE mode, or selects
		frequency output in SOURCE mode.
15	vkey	Selects the dc voltage function in MEASURE mode, or selects dc voltage in SOURCE
		mode.
16	okey	Turns the power on and off.

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Documenting Process Calibrator

Operating Features

Display

Figure 7 shows the features of a typical display. The display shown is MEASURE mode. Near the top of the display is “Source Off.” This is the area of the display that shows what is happening in the other mode (SOURCE or MEASURE). The other parts of the display are as follows:

∙Status Bar: shows the time and date (if set in Setup mode), and shows the status of Loop Power, Battery Save, and Backlight Timeout; all of which are set in Setup mode. The low battery and backlight on annunciators also appear here.

∙Mode Indicator: Shows whether the calibrator is in MEASURE or SOURCE mode. In split screen MEASURE/SOURCE mode, there is a Mode Indicator for each window.

∙Measured Value: Shows the measured value in your choice of engineering units or percent of scale.

∙Range Status: Shows whether Auto Range is on, and what range is currently being used.

∙Custom Units Indicator: Shows that the displayed units are custom. The original engineering units of the measure or source function are not displayed. The value may also be scaled.

∙Secondary Value: Shows the measure or source value in original engineering units whenever scaling or custom units are active.

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Loop Power Annunciator

Time and Date Display

Status Bar

Mode Indicator

Measured Value

Softkey Labels

Battery Save Annunciator

Source Status

Undamped (Unsettled)

Indicator

Custom Units Indicator

Secondary Value

Range Status

gj7c.eps

Figure 7. Elements of a Typical Display

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Documenting Process Calibrator

Setting Up the Calibrator

Setting Up the Calibrator

Using the Strap and Bail

After you unpack the calibrator, attach its carrying strap as shown in Figure 8. You can adjust the strap as necessary to hang the calibrator on any sturdy

support. Figure 8 also shows you how to open the bail to stand the calibrator at a comfortable viewing angle for benchtop use.

gj8f.eps

Figure 8. Using the Bail and Installing the Strap

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Users Manual

Charging the Battery

wBefore you use the calibrator for the first time, charge its battery pack for 2 hours in the external battery charger.

time in trickle-charge mode (blinking indicator light on the charger). Switching between charging modes is automatic. You can leave the battery pack on trickle charge indefinitely without damage.

Figure 9 shows how to remove the battery. Remove the battery door and tap the calibrator with your hand to get the battery out. Place the battery in the charger and connect the charger to line power. The charger automatically senses line voltage and adjusts itself accordingly.

A discharged battery is fully charged in 2 hours or less in fast-charge mode (steady indicator light on the charger). Full charge is maintained after that

Note

When you remove a charged battery from the charger, wait for the blinking indicator to go off before you insert a discharged battery. It takes about 2 seconds for the battery charger to reset.

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Documenting Process Calibrator

Setting Up the Calibrator

	BATTERY ACCESS
1	BATTERY ACCESS	2

BATTERY ACCESS

3

4

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Figure 9. Removing the Battery and Using the

Charger

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