Fluke 773-II User Manual

772/773/773-II English Instruction Sheet
Page 1
772/773/773-II
Milliamp Process Clamp Meter
Instruction Sheet
Introduction
The hand-held, battery-operated Fluke 772/773/773-II Milliamp Process
Clamp Meters (the Meter or Product) can be used in troubleshooting
transmitters, valves, PLC and DCS I/O. Unlike conventional clamp meters,
the Meter features a remote jaw that is connected to the main body via
extension cable.
Features
• In-circuit measurement of 0 mA to 24 mA dc and up to 99.9 mA dc
using a remotely connected clamp via extension cable
•
0 mA to 24 mA dc
sourcing and simulating
•
0 V to 10 V dc sourcing (773/773-I
I)
•
Loop power supp
ly 24 V dc output
•
0 V to 30 V dc measurement (773/773-II)
• Scaled mA output (773/773-II)
• Simultaneous mA measurement
via detachable clamp and mA
sourcing (773/77
3-II)
•
250 Ω HAR
T resistor for mA source
•
Electronic zero
•
Percentage span (0 % to 100 %)
•
Hold
•
Auto power off (b
attery saver)
• Display
backlight
• Measurement sp
otlight LED
PN 3351049
Februa
ry 2009 Rev. 2, 6/23
© 2009-2023 Fluke Corporation. All rights reserved.
All product names are trademarks of their respective companies. Specifications are subject to
change without notice.

Fluke 773-II Specifications

General

Category	Measuring Instruments
Model	773-II
Operating Temperature	-10 °C to +50 °C
Warranty	3 years
AC Current Resolution	0.01 mA
DC Current Resolution	0.01 mA
Type	mA Clamp Meter
Measurement Parameters	AC and DC Current, Voltage
Display	LCD with backlight
Battery Type	2 x AA Alkaline
Storage Temperature	-20 °C to +60 °C
AC Current Range	0 mA to 100 mA
AC Current Accuracy	1.0% + 5 digits
DC Current Range	0 mA to 100 mA
DC Current Accuracy	1.0% + 5 digits
Loop Power Voltage	24 V

Summary

Introduction

Key Features Overview

Contacting Fluke

Safety Information and Symbols

General Safety Warnings

Covers potential electrical shock, fire, or personal injury hazards and precautions.

Getting Acquainted with the Meter

Meter Controls and Indicators

Explains buttons, display elements, and LEDs for meter operation.

Input/Output Jacks

Details the purpose and use of various input/output connections.

Detailed Feature Explanations

Percentage Span Feature

Explains the Source and Simulate Percentage Span feature for current loops.

Zero Adjust Procedure

Explains how to zero the display before clamp measurements.

Backlight Functionality

Explains how to turn the backlight on/off and its auto-off feature.

Taking Measurements

Clamp Measurement Procedure

Details how to use the clamp for current measurements.

Test Lead Measurement Procedure

Details how to use test leads for measurements.

Current and Voltage Output Functions

Sourcing mA Output

Explains using mA Source mode to supply current into passive circuits.

Simulating mA Output

Explains simulating a current loop transmitter.

Loop Supply Mode

Explains powering a transmitter while measuring mA signal.

Maintenance

Cleaning the Meter

Instructions for cleaning the instrument case.

Battery Replacement

Procedure for replacing the meter's batteries.

Specifications

Electrical Specifications

Details electrical measurement and sourcing ranges and accuracies.

Mechanical Specifications

Details meter size and weight.

Environmental Specifications

Details operating and storage conditions.

Miscellaneous Specifications

Covers EMC, power requirements, and auto-timeouts.

User Replaceable Parts

Limited Warranty and Liability