Fluke 741B User Manual

®
741B/743B
Documenting Process Calibrator
Users Manual
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.

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)

Summary

LIMITED WARRANTY & LIMITATION OF LIABILITY

Introduction

Standard Equipment

Safety Information

Setting Up the Calibrator

Charging the Battery

Getting Started Exercise

Operating Features

Using Measure Mode

Measuring Electrical Parameters

Steps for measuring electrical quantities like voltage, current, and frequency.

Measuring Pressure

Instructions for connecting and measuring pressure using modules.

Measuring Temperature

Using Thermocouples

How to connect and measure temperature using thermocouples.

Using Resistance-Temperature Detectors (RTDs)

Instructions for measuring temperature using RTD sensors.

Using Source Mode

Sourcing Electrical Parameters

Steps for sourcing electrical signals like voltage, current, and frequency.

Simulating a 4 to 20 mA Transmitter

How to configure the calibrator to simulate a 4-20 mA transmitter.

Simulating Thermocouples

Simulating RTDs

Supplying Loop Power

Sourcing Pressure

Stepping and Ramping the Output Value

Ramping the Output

Simultaneous Measure/Source

Calibrating a Process Instrument

Procedures for calibrating process instruments using the calibrator.

Calibrating a Limit Switch

Transmitter Mode

Memory Operations

Using the Built-in Calculator

Communicating with a PC (Model 743 Only)

Maintenance

Service Center Calibration or Repair

Specifications

DC Voltage Measurement

Detailed specifications for DC voltage measurement functions.

AC Voltage Measurement

Detailed specifications for AC voltage measurement functions.

DC Current Measurement

Detailed specifications for DC current measurement functions.

Resistance Measurement

Detailed specifications for resistance measurement functions.

Frequency Measurement

Detailed specifications for frequency measurement functions.

DC Voltage Output

Detailed specifications for DC voltage output functions.

DC Current Output

Resistance Sourcing

Frequency Sourcing

Temperature, Thermocouples

Specifications for temperature measurements and sourcing using thermocouples.

Temperature, Resistance Temperature Detectors

Specifications for temperature measurements and sourcing using RTDs.

Loop Power Supply