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GB Instruments GMT-19A User Manual

GB Instruments GMT-19A
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Analog Multimeter
Owners Manual Model
• Read this owners manual thoroughly before
use and save.
Gardner
Bender
GMT-19A
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GB Instruments GMT-19A Specifications

General IconGeneral
Diode TestYes
Continuity BuzzerYes
Data HoldYes
Display TypeLCD
Display Digits3.5
Maximum Display1999
Battery Type9V
Low Battery IndicatorYes
AC Voltage200V
DC Current200µA/2mA/20mA/200mA/10A
Resistance200Ω/2kΩ/20kΩ/200kΩ/2MΩ
Dimensions5.1” x 2.8” x 1.2” (130 x 70 x 32mm)

Summary

Specifications

For Your Safety

Important safety precautions and warnings for using the multimeter.

Operating Suggestions

Preliminary Adjustments

Steps for zeroing the needle indicator and setting up test leads.

Check Condition of Internal Battery

Procedure to verify the internal battery status before testing.

DC Voltage Measurement

Automotive Batteries

How to test automotive batteries using the multimeter.

Alternators and Generators

Testing alternators and generators with the multimeter.

Household Batteries

Method for testing household batteries voltage.

DC Milliamp Measurement

DC 10Amp Measurement

Procedure for measuring DC current up to 10 Amps.

AC Voltage Measurement

Wall Receptacles

Testing AC voltage in wall receptacles for proper grounding.

Appliance Receptacles

Measuring AC voltage at appliance receptacles.

Circuit Breaker Panel

Testing AC voltage on circuit breaker panels.

Resistance and Continuity Measurement

Extension Cords

Testing continuity and resistance of extension cords.

Appliance Cords

Checking appliance cords for continuity and resistance.

Fuses

Testing fuses for continuity and low resistance.

Switches

Testing electrical switches for continuity.

Heating Elements

Checking heating elements for continuity and resistance.

Thermostats

Testing thermostat contacts for continuity.

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