Fluke 75 User Manual

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For
the
benefit
and
convenience
of
its
customers,
Fluke
Corporation
(Fluke)
has
reproduced
this
copy
of a
manual
which
is no
longer
in
production.
This
manual
has
not
been
edited
or
updated
since
the
revision
date
shown
on
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lower
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first
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Fluke
will
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manual.
OPERATOR’S
MANUAL
MANUEL
DESTRUCTION
BEDIENUNGS'HANDBUCH
MULTIMETER

Fluke 75 Specifications

General

Continuity Beeper	Yes
Diode Test	Yes
Safety Rating	CAT III 1000 V, CAT IV 600 V
Battery Type	9V
AC Voltage Range	400.0 mV, 4.000 V, 40.00 V, 400.0 V, 1000 V
DC Voltage Range	400.0 mV, 4.000 V, 40.00 V, 400.0 V, 1000 V
DC Current Range	400.0 μA, 4000 μA, 40.00 mA, 400.0 mA, 4.000 A, 10.00 A
AC Current Range	400.0 μA, 4000 μA, 40.00 mA, 400.0 mA, 4.000 A, 10.00 A

Summary

Safety Information and Symbols

General Safety Warnings

Important warnings and information for safe operation of the meter.

Safety Symbols Explained

Explanation of symbols indicating potential hazards and manual references.

Input Limits and Electrical Safety

Voltage and Current Input Limits

Specifies maximum voltage and current that can be applied to the meter's terminals.

Electrical Shock and Damage Precautions

Precautions to avoid electrical shock and damage to the meter.

Circuit Limitations and Protection

High-Energy Circuit Precautions

Guidelines for using the meter in circuits limited by fuses or circuit breakers.

Terminal Protection and Burns Prevention

Information on preventing accidental voltage application and burns.

Operating Cautions and Hints

Meter Operation Modes

Range Hold Functionality

Touch Hold Feature (Fluke 77)

Activating Touch Hold Mode

Using Touch Hold for Measurements

Touch Hold Operation Details

Touch Hold Precautions

Voltage Measurement

Selecting Voltage Functions

How to choose between VAC, VDC, and 300mV functions for voltage measurements.

Connecting for Voltage Measurement

Diagrams and instructions for connecting test leads for voltage measurements.

Resistance Measurement

Performing Resistance Tests

Instructions for connecting leads and performing resistance measurements.

Resistance Measurement Considerations

Notes on units displayed and the importance of no voltage present during measurement.

Diode Test

Forward Bias Diode Test

How to test a diode in forward bias and interpret results.

Reverse Bias and Short Circuit Tests

How to test diodes in reverse bias and short circuits, and their indications.

Continuity Beeper Test

Continuity Detection

How the meter signals continuity with a tone and what the display shows.

Current Measurement

Connecting for Current Measurements

Instructions for connecting leads for AC and DC current measurements up to 320mA.

Terminal Fuse Protection

Operator Maintenance

Maintenance Procedures Overview

Safety During Maintenance

Battery and Fuse Replacement

Replacing the Battery

Calibration Procedure

Performing Meter Calibration

Technical Specifications

Detailed Performance Specifications