BASIC GEO EARTH GROUND TESTER, KIT - IC-FLUKE-1623-2 KIT
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The Fluke 1623-2 earth ground tester is able to measure earth ground loop resistances using only clamps. With this test method, two clamps are placed around the earth ground rod and each are connected to the tester. No earth ground stakes are used at all. A known, fixed voltage is induced by one clamp and the current is measured using the second clamp. Then the tester automatically determines the resistance of the earth ground rod. This test method only works if a bonded earth ground system exists for the building or structure under test, but most are. If there is only one path to ground, like at many residential applications, the Stakeless method will not provide an acceptable value and the Fall-of-Potential test method must be used.
Specifications
RA 3-Pole Ground Resistance Measurement (IEC 1557-5)Switch position: RA 3-pole
Resolution: 0.001 Ω to 10 Ω
Measuring range: 0.020 Ω to 19.99 kΩ
Accuracy: ± (2 % rdg + 3 d)
Operating error: ± (5 % rdg + 3 d)
Measuring voltage: Vm = 48 V ac
Short-circuit current: > 50 mA
Measure frequency: 128 Hz
Probe resistance (RS): Max 100 kΩ
Auxiliary earth electrode resistance (RH): Max 100 kΩ
RA 4-Pole Ground Resistance Measurement (IEC 1557-5)
Resolution: 0.001 Ω to 10 Ω
Measuring range: 0.020 Ω to 19.99 kΩ
Accuracy: ± (2 % rdg + 3 d)
Operating error: ± (5 % rdg + 3 d)
Measuring voltage: Vm = 48 V ac
Short-circuit current: > 50 mA
Measure frequency: 128 Hz
Probe resistance (RS + RES): Max 100 kΩ
RA 3-Pole Selective Ground Resistance Measurement with Current Clamp (RA with Clamp)
Resolution: 0.001 Ω to 10 Ω
Measuring range: 0.020 Ω to 19.99 kΩ
Accuracy: ± (7 % rdg + 3 d)
Operating error: ± (10 % rdg + 5 d)
Measuring voltage: Vm = 48 V ac
Short-circuit current: > 50 mA
Measure frequency: 128 Hz
Probe resistance (RS): Max 100 kΩ
Auxiliary earth electrode resistance (RH): Max 100 kΩ
RA 4-Pole Selective Ground Resistance Measurement with Current Clamp (RA with Clamp)
Resolution: 0.001 Ω to 10 Ω
Measuring range: 0.020 Ω to 19.99 kΩ
Accuracy: ± (7 % rdg + 3 d)
Operating error: ± (10 % rdg + 5 d)
Measuring voltage: Vm = 48 V ac
Short-circuit current: > 50 mA
Measure frequency: 128 Hz
Probe resistance (RS): Max 100 kΩ
Auxiliary earth electrode resistance (RH): Max 100 kΩ
Stakeless Ground Loop Measurement (2 Clamps)
Resolution: 0.001 Ω to 10 Ω
Measuring range: 0.020 Ω to 19.99 kΩ
Accuracy: ± (7 % rdg + 3 d)
Operating error: ± (10 % rdg + 5 d)
Measuring voltage: Vm = 48 V ac
Measure frequency: 128 Hz
Noise current (IEXT): Max. IEXT = 10 A (ac) (RA < 20 Ω)/Max. IEXT = 2 A (ac) (RA > 20 Ω)
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