ERT 1557

Advanced Earth Resistance Tester

  • Current clamp measurement
  • Earth resistance measurement
  • Download to PC
ERT 1557
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ERT 1557

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The ERT 1557 earth resistance tester is suitable for use on 110V, 230V and three phase electrical systems, this special lightweight unit provides accurate Earth electrode resistance measurement without disconnecting the electrode. It can also be used to measure soil resistivity.

Earth resistance measurement is carried out using 2,3 and 4-wire method. The ERT has an internal memory for 500 test results which you can download to your conventional PC. Its user-friendly features include a large rotary dial for test selection, large LCD and simple push button test activation. The unit is supplied with four Earth spikes and full test lead set. The ERT is one of the most competitive Earth resistance testers on the market.

ERT 1557
Click
to Request a Quote

Technical specification


TESTS

Earth Resistance 2, 3 and 4 wire method

Display Range  0.00ohm - 50.0kohm
Measuring Frequency  125Hz +/- 1Hz
Measuring Current  <20mA effective
Measuring Voltage <50V effective sine wave


Earth Resistance using current clamp

Display Range 0.0ohm - 2.00kohm
Measuring Frequency 125Hz +/- 1Hz
Measuring Current <20mA effective
Measuring Voltage <50V effective sine wave


Specific Earth resistance (p)

Display Range 0.00ohm - 1999kohm
Measuring Frequency 125 Hz +/- 1 Hz
Measuring Current <20mA effective
Measuring Voltage <50V effective sine wave


ADDITIONAL INFORMATION

Dimensions 260mm x 100mm x 55mm
Weight 0.8kg
Memory 500 memory locations
Communication USB
Compliance EN 61557-1, -5, IEC61010-1, 300V CAT II

 

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