Est401 controls – ERICO EST401 ERITECH Clamp-on Ground Resistance Tester User Manual
Page 9
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EST401 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.
6. A: Current measurement.
7. Lever: Opens or closes jaws.
EST401
GROUND TESTER
1
2
3
4
5
6
7
Figure 1
E1154IS06 EST401_5.qxd:E1154IS06 9/25/06 1:46 PM Page 7
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