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Fluke 77 Series IV User Manual

Fluke 77 Series IV
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Model 77 Series IV
Digital Multimeter
Users Manual
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Fluke 77 Series IV Specifications

General IconGeneral
AC Voltage Range0.1 mV to 1000 V
DC Voltage Range0.1 mV to 1000 V
AC Current Range0.01 mA to 10 A
DC Current Range0.01 mA to 10 A
Resistance Range0.1 Ω to 50 MΩ
Frequency Range0.01 Hz to 100 kHz
Safety RatingCAT III 1000 V, CAT IV 600 V
ContinuityYes
Diode TestYes
DisplayDigital
Battery Type9 V
Weight420 g
Capacitance Range1 nF to 9999 µF

Summary

Safety Information

General Safety Precautions

Essential safety guidelines to prevent electrical shock, fire, or injury during operation.

Meter Operation Modes

Display Indicators and Error Messages

Error Messages and Solutions

Common error codes and troubleshooting steps for meter issues.

Advanced Recording and Holding Features

MIN MAX AVG Recording Mode

Captures minimum, maximum, and average readings during measurement.

AutoHOLD Mode Operation

Holds the display until a new stable reading is detected.

Making Basic Measurements

Advanced Measurement Testing

Testing for Continuity

Procedure for checking circuit continuity with the multimeter.

Testing Diodes

Procedure for testing diodes in various states (forward, reverse, open, short).

Measuring Electrical Properties

Measuring AC or DC Current

Procedure for safely measuring AC and DC current.

Measuring Frequency

Procedure for measuring signal frequency using the multimeter.

Interpreting Measurement Results

Replacing Components

Replacing the Battery and Fuses

Guidelines for safely replacing the battery and fuses with correct types.

General Specifications

Safety Standards and Ratings

Compliance with safety standards like IEC and measurement category ratings.

Detailed Specifications

Overload Protection and Input Specifications

Voltage and Capacitance Overload Protection

Overload protection and input impedance for voltage and capacitance measurements.

Current Overload Protection

Overload protection and limits for mA and A current measurements.

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