Ground Resistance Tester Models 3711 and 3731
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Model 3731 Controls
1. Head Assembly: Consists of two
individually shielded magnetic
cores.
2. Hold: Freezes last measured
value on the display.
3. Display: 3000 count LCD,
function indicators.
4. ON/OFF: Power ON or OFF,
activates display self test at
power-up.
5. Ω: Resistance Measurement
Increment the Alarm setpoint,
increment Memory position in
program mode.
6. A: Current Measurement
Decrement the Alarm setpoint,
decrement the Memory in
program mode.
7. AL: Activates/deactivates the Alarm function, access the value of the
Alarm setpoint in program mode.
8. MEM: Stores the reading into memory, reads Memory Recall (MR)
values and clears the memory in recall mode.
9. Lever: Opens or closes jaws.
HOLD
+
–
m
A
R
1
HOLD
MEM
MR
NOISE
MEM AL A Ω
ON
OFF
Model 3731
GROUND TESTER
®
INSTRUMENTS
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