Ground Resistance Tester Models 3711 and 3731
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Model 3711 Controls
A
Ω
ON
OFF
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.
6. A: Current measurement.
7. Lever: Opens or closes jaws.
Figure 1
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