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Gardner Bender GMT-319 7 Function Analog Multimeter User Manual

Page 2

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1. Introduction

The GMT-319 is an Analog Multimeter

capable of measuring 7 functions on 19
ranges. A mirror scale is provided to
reduce the possibility of parallax errors.
Small lightweight and rugged construction.
This meter was designed for the
homeowner, hobbyist and professional
needing to make electrical and electronic
equipment measurements.

1.1 Meter Functions

Needle

Analog
Scale

Mechanical
Zero
Adjust
Screw

Zero
Ohms
Adjust
ment

Input Jacks

Function/
Range
Selector
Switch

Contents

1. Introduction

1.1

Meter Functions

2. Specifications

2.1

For Your Safety

3. Operating Suggestions

3.1

Preliminary Adjustments

3.2

Internal Battery Condition

4. DC Voltage Measurement

4.1

Household Batteries

5. DC Milliamp Measurement

6. AC Voltage Measurement

6.1

Wall Receptacles

7. Resistance/Continuity

Measurement

7.1

Extension Cords

7.2

Fuses

7.3

Switches

8. Decibel Measurement

(Transistor Gain)

9. Battery and Fuse Replacement

10. Warranty

11. Disposal

1

Figure 1

Battery/
Fuse
Cover

Mirror

GMT-319 manual 7.08.qxp 7/2/08 3:50 PM Page 2