Fluke 1621 Earth Ground Tester

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Fluke 1621 Earth Ground Tester

It is a specialized instrument used to measure the effectiveness of an electrical grounding system (also called an “earth” system). It is crucial for ensuring the safety of electrical installations by verifying that the ground system provides a low-resistance path for fault currents to flow into the earth, reducing the risk of electrical shock, fire, or damage to electrical equipment.
The unit features basic ground testing methods including 3-pole Fall-of-Potential as well as 2-pole ground resistance tests. Its convenient size, rugged holster, and large, clear LCD display make it an ideal field earth ground tester, for most electrical grounding work environments. With a simple user interface and intuitive functionality,it is a handy grounding tool for electrical contractors, utility test engineers, and earth ground specialists.

Measuring functions	3-pole earth ground resistance, 2-pole ac resistance of a conductor, Interference voltage
Intrinsic error	Refers to the reference temperature range and is guaranteed for one year
Measuring rate	2 measurements/second
Battery¹	One 9 volt alkaline (LR61)
Battery condition	LO-BAT is displayed if voltage drops below 6.5 V
Voltages	Between jacks H/C2 and E/C1	250 Veff maximum (effective voltage)
	Between jacks S/P2 and E/C1	250 Veff maximum
Climatic class	VDE/VDI 3540 RZ (conforming to KWG as per DIN 40040, 4/87)
Temperature performance²	Working	-10°C to +50°C (+14°F to +122°F)
	Operating	0°C to +35°C (+32°F to +95°F)
	Storage	-20°C to +60°C (+68°F to +140°F)
	Reference	+23°C ±2°C (+73°F ±4°F)
Temperature coefficient	±0.1% of range per degree Kelvin
Safety	IEC/EN 61010-1, 600 V CAT II, pollution degree 2
Dimensions	113 x 54 x 216 mm (4.5 x 2.1 x 8.5 in), including holster