• Ground Continuity Tester, 3-200A Output with Digital meters.
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  • Ground Continuity Tester, 3-200A Output with Digital meters.
  • Ground Continuity Tester, 3-200A Output with Digital meters.

GFM-200A-DM 120V:
Ground Continuity Tester, 3-200A Output with Digital meters.

  • $3,670.00

The GFM-300AC 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 200A with a max load of 0.010Ω. The dual digital meter front panel simultaneously displays both current through and voltage across the grounding circuit of the unit under test. Provided with premium leads and alligators, manual and calibration certificate.

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  • AC output - constant current delivers up to 200A at up to 4.75V for ground resistance measurements of up to .010 ohms. Current is adjustable from the front panel.
  • Digital meters indicates output current and voltage.
  • Output breaker switch on front panel.
  • Four wire voltage measurement for accuracy.
  • Rear panel outputs for safety.
  • Premium test leads included.
  • Large knob for easy adjustment.
  • Calibrated to ANSI Z540 Standards.


Voltage Test TypeAC
Output3-200A - short circuit to 0.010 Ohms
Max Voltage Output4.75V - open circuit
Current Meter3-30Aac +/-5%, 30-300Aac +/-2.5%
Voltage Meter0.37-6Vac +/-1.5%
Operation Temp15-28 C, 60-95F
Relative Humidity Range0-90% non-condensing
Input Power Requirements120V, 50/60 Hz, 10.0A
Dimms11.25"(W) x 6.75"(H) x 13.00"(L)


Download Manual
GFM-200A-DM/GFM-200A-DM rev 0.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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