2
Section 1
Introduction
This manual contains complete operating, maintenance and calibration instructions for the Compliance
West USA Model GFM-300A-DM Ground Bound Tester.
The instrument is a bench-type ground circuit tester.
The GFM-300A-DM features a large variac knob, current and voltage digital meters and output breaker
switch on front panel, always operate with precaution.
The GFM-300A-DM meets all safety agency criteria for ground bound testers.
Your tester is warranted for a period of one year upon shipment of the instrument to the original
purchaser.
Specifications
GFM-300A-DM Specifications
SPECIFICATIONS
Test Type
AC
Current Output
3-400Aac (Short Circuit) *Do not exceed 300A
3-300Aac (Short Circuit to 10.0mΩ)
50% Duty cycle, 2min. ON, 2min.
Max. Voltage Output:
3.75Vac (Open Circuit)
Current Meter
3-20Aac
5%, 20-400Aac
2.5%
Voltage Meter
0.37-5.0Vac
1.5%
Alarm Trigger
305Aac
Input Power (120V version)
120V 10.0A 50/60Hz
Input Power (220V version)
220V 5.0A 50/60Hz
ENVIRONMENTAL
Operating Temperature
15-28
C, 60-95
F
Relative Humidity Range
0-90% non-condensing
GENERAL
Dimensions
11.25”(W) x 6.75”(H) x 13.00”(L)
Weight
55 lbs approx.
Table 1-1. GFM-300A-DM 120V Specifications
