Fluke 1625 x 100%, fiducial value, RH RS + 2000Ω ⋅1.25 ⋅10−6% + 5digits, Earth/Ground Tester

						Earth/Ground Tester
						Specifications
A	=	intrinsic error		B[%] = ±		B		x 100%
En		=	variations		fiducial value
R	=	routine test
T	=	type test
Measuring						Instrinsic	Max. Op-
			Display Range	Resolution				erating
Range						Error
								Error
			0.001 Ω...2.999 Ω	0.001 Ω
			3.00 Ω...29.99 Ω	0.01 Ω
0.020 Ω			30.0 Ω...299.9 Ω	0.1 Ω		± ( 2 % of		± ( 5% of
						mv +2 digit )		mv +5
300 kΩ			0.300 kΩ...2.999 kΩ	1 Ω
								digit )
			3.00 kΩ...29.99 kΩ	10 Ω
			30.0 kΩ...299.9 kΩ	100 Ω

Measuring time:

Additional error because of probe-and auxiliary earth electrode resistance:

Measuring error of RH and RS:

Max. probe resistance:

Max. auxiliary earth elec- trode resistance:

typ. 8 sec. with a fixed frequency

30 sec. max. with AFC and complete cycle of all

measuring frequencies

RH (RS + 2000Ω) ⋅1.25 ⋅10−6% + 5digits

RE

typ. 10 % of RE + Rs + RH

≤1 M Ω

≤1 M Ω

Automatic check if error is kept within the limits required by IEC61557-5.

If after a measurement of probe-, auxiliary earth electrode- and earthing resis- tance, a measurement error of higher than 30 % is assumed because of the in-

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