• Ground Continuity Tester, 10-200A output, metered
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Ground Continuity Tester, 10-200A output, metered

  • $3,355.00

The GFM-200AC is designed for testing where very high currents are needed to judge connection resistance. The front panel allows adjustment of the AC current up to 200 amps. The dual meter front panel simultaneously displays both current through and voltage across the grounding circuit of the unit under test. Provided with leads, manual and calibration certificate.

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  • AC output - constant current delivers up to 200 amps at up to 5 volts for ground resistance measurements of up to 12.5 milliohms. Current is adjustable from the front panel.
  • Analog meter indicates output current and voltage.
  • Four wire voltage measurement for accuracy.
  • Rear panel outputs for safety.
  • Test leads included. Calibrated to ANSI Z540 Standards.
  • Higher current models available. Consult factory.


Voltage Test TypeAC
Output0-200A +/-3% - short circuit to 12.2mOhms
Voltage5V max at open circuit
Meters0-60V AC +/-3% full scale, 0-200A AC +/-3% full scale
Operation Temp15-40 C
Relative Humidity Range0-90% non-condensing
Input Power Requirements120V, 50/60 Hz, (220, 230 or 240 available)
Dimms11.25"(W) x 4.25"(H) x 12.00"(L)


GFM-200A Datasheet Ver 2.pdf Download Manual
GFM-200A rev 3.pdf Download Manual

Contact Us

Corporate Sales Office (USA)

Compliance West USA
650 Gateway Center Way Suite D
San Diego, CA 92102 USA

US Representatives

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