Gardner Bender GMT-318 6 Function Analog Multimeter User Manual
Page 2
2
1. Introduction
The GMT-318 is an Analog Multimeter
capable of measuring 6 functions on 14
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
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. Household Batteries
10. Battery and Fuse Replacement
11. Warranty
12. Disposal
1
Figure 1
Battery/
Fuse
Cover
Mirror
GMT-318 6-09 manual.qxp 6/8/09 2:03 PM Page 2