Sperry instruments DM6400 User Manual

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OPERATING INSTRUCTIONS
Function, 28 Range Digital Multi-Meter
DM6400
Read this owner’s manual thoroughly before use and save.
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1. DC Volts/AC Volts
2. AC Amps
3. DC Amps
4. Resistance
5. Audible Continuity Test
6. Diode Test
7. Battery testing
8. Common input jack
9. Positive input jack
10. Durable drop resistant housing

Sperry instruments DM6400 Specifications

General

Brand	Sperry instruments
Model	DM6400
Category	Multimeter
Language	English

Summary

Meter Functions and Specifications

Meter Specifications

Details meter type, functions, ranges, display count, and input impedance.

Important Safety Instructions

For Your Safety

Provides essential safety rules and precautions for using the multimeter.

Measurement Categories and Symbols

Safety Standards Explained

Explains IEC61010 safety standards (CAT I-IV) for electrical environments.

Common Safety Symbols

Illustrates and defines common safety symbols found on the instrument.

Operating Instructions Overview

General Operating Procedures

Covers general meter usage, power, hold function, and care.

AC Voltage Measurement

Instructions for measuring AC voltage, including ranges and procedures.

DC Voltage Measurement

Instructions for measuring DC voltage, including ranges and procedures.

AC Amps Measurement

Procedures for safely measuring AC current, noting precautions.

Specific Measurement Functions

DC Amps Measurement

Procedures for safely measuring DC current, noting precautions.

Resistance and Continuity

Steps for measuring resistance and continuity across various ranges.

Diode Testing

Guidelines for testing diodes and semiconductor junctions.

Household Battery Testing

How to test 1.5V and 9V household batteries using the multimeter.

Maintenance and Service Procedures

Battery Replacement

Step-by-step guide for replacing the multimeter's battery.

Fuse Replacement

Instructions for safely replacing internal fuses, including fuse types.

General Service Advice

General cleaning and maintenance advice for the multimeter.

Warranty Information

Limited Lifetime Warranty

Details of the limited lifetime warranty coverage and limitations.