Fluke 741B User Manual

Name: Fluke 741B
Brand: Fluke
Rating: 4 (1 reviews)

134 pages

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741B/743B

Documenting Process Calibrator

Users Manual

PN 644788

June 1997 Rev.1, 3/98

All product names are trademarks of their respective companies.

Table of Contents3
Introduction11
Summary of Source and Measure Functions12
Standard Equipment14
Safety Information17
Getting Started Exercise20
Operating Features22
- Input and Output Jacks22
- Input/Output Jacks and Connectors22
- Keys24
Key Functions25
- Display27
Setting up the Calibrator29
- Using the Strap and Bail29
- Charging the Battery30
- Battery Life32
- Preserving Battery Life33
- Using the Optional Battery Eliminator33
- Selecting the Display Language34
- Adjusting the Display Contrast34
- Displaying the Date and Time34
- Using the Backlight36
- Personalizing the Calibrator36
Using Measure Mode38
- Measurement Ranges38
- Measuring Electrical Parameters38
- Testing Continuity40
- Measuring Pressure40
- Measuring Temperature44
  - Using Thermocouples44
Thermocouple Types Accepted45
- Using Resistance-Temperature Detectors (Rtds)47
RTD Types Accepted47
- Measurements in Percent of Scale51
  - Linear-Output Transmitters51
  - Square-Law Process Variables51
- Customizing MV Input Units52
- Damping Your Measurements53
Using Source Mode54
- Sourcing Electrical Parameters54
- Simulating a 4 to 20 Ma Transmitter56
- Supplying Loop Power58
- Sourcing Pressure60
- Simulating Thermocouples63
- Simulating Rtds64
- Sourcing in Percent of Scale67
  - Linear-Responding Transmitters67
  - Square-Law Process Variables67
- Stepping and Ramping the Output Value68
Simultaneous Measure/Source73
Simultaneous MEASURE/SOURCE Functions with Loop Power Disabled74
Simultaneous MEASURE/SOURCE Functions with Loop Power Enabled75
Generating "As Found" Test Data76
- Adjusting the Transmitter81
- As Left" Test Run82
- Test Comments83
- Calibrating a Delta-Pressure Flow Instrument83
- Calibrating a Limit Switch84
Calibrating a Process Instrument76
Transmitter Mode87
Memory Operations89
- Saving Results89
- Reviewing Memory91
- Data Logging (Model 743B Only)91
- Recording Min and Max Measurements94
- Running a Preloaded Task (743B Only)94
- Clearing Memory94
Using the Built-In Calculator95
- Saving to and Recalling from the Registers95
- Using the Calculator to Set the Source Value96
Quick Guide to Applications96
Communicating with a PC (Model 743 Only)106
Maintenance106
- Replacing the Battery Pack106
- Internal Lithium Backup Battery107
- Cleaning the Calibrator107
- Calibration Data107
- In Case of Difficulty107
- Service Center Calibration or Repair108
- Replacement Parts109
Accessories110
Specifications112
- DC Voltage Measurement113
- AC Voltage Measurement114
- DC Current Measurement115
- Resistance Measurement115
- Continuity Testing116
- Frequency Measurement116
- DC Voltage Output117
- DC Current Output118
- Resistance Sourcing119
- Frequency Sourcing120
- Temperature, Thermocouples121
- Temperature, Resistance Temperature Detectors124
- Loop Power Supply126
- Top and Bottom Limits of Ranges with Auto Range on127
- General Specifications129
Index131

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Fluke 741B Specifications

General

Function	Documenting Process Calibrator
DC Current Range	0 to 24 mA
Resistance Range	0 to 400 Ω
Temperature Measurement	Yes
Pressure Measurement	Yes
Current Accuracy	±0.01% of reading + 0.005% of range
Accuracy	±0.01% of reading + 0.005% of range
Display	LCD
Data Storage	Yes
Power Supply	Rechargeable battery
Operating Temperature	50 °C
Weight	1.4 kg
Temperature Accuracy (RTD)	±0.1°C (typical, varies with RTD type)