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Fluke 77 Series III User Manual

Fluke 77 Series III
59 pages
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®
77 Series III
Multimeter
Service Manual
PN 800604
November 1998 Rev.1, 11/99
© 1998,1999 Fluke Corporation. All rights reserved. Printed in U.S.A.
All product names are trademarks of their respective companies.
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Fluke 77 Series III Specifications

General IconGeneral
Diode TestYes
Continuity BeeperYes
Battery Type9V
Safety RatingCAT III 600V
DisplayLCD, 4000 counts
Voltage DC1000V
Voltage AC1000V
Current DC10A
Current AC10A
Resistance40 MΩ
Weight340 g

Summary

Operator Safety Information

Safety Warnings and Precautions

Details critical safety warnings to prevent personal injury or equipment damage.

General Safety Precautions

Proper Fuse Usage

Guidance on using the correct fuse to prevent fire hazards.

Cover Removal Warning

Advises on the risks associated with removing the meter cover.

Operation with Impaired Protection

Instructions for handling instruments with compromised protection.

Chapter 2: Theory of Operation

2-2. Functional Block Description

Provides a high-level overview of the instrument's main functional blocks.

2-11. A/D Conversion

Explains the dual-slope analog-to-digital conversion method used.

Chapter 3: Maintenance

3-2. PCA Access and General Maintenance

Instructions for accessing the Printed Circuit Assembly and general upkeep.

3-5. Performance Test

Recommended tests to verify instrument performance and specifications.

3-7. DC Voltage Test

Detailed steps to test the DC voltage measurement accuracy.

3-8. AC Voltage Test

Procedure for testing the AC voltage measurement accuracy.

3-9. Resistance Test

Procedure for testing the resistance measurement accuracy.

3-13. Calibration

Steps for calibrating the 77 Series III Multimeter.

3-14. Troubleshooting

Guidance on diagnosing and resolving issues with the multimeter.

Static Awareness

Minimizing ESD Damage

Explains how to minimize damage to static-sensitive devices during handling.

Chapter 5: Schematic Diagrams

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