METREL EurotestXE User Manual

MI 3102(H) BT EurotestXE Technical specifications
96
10.8 Resistance to earth
10.8.1 Standard earthing resistance measurement – 3-wire
measurement
Measuring range according to EN61557-5 is 2.00  1999 .
Measuring range ()
Resolution ()
Accuracy
0.00  19.99
0.01
(5% of reading + 5 digits)
20.0  199.9
0.1
200  9999
1
Max. auxiliary earth electrode resistance R
C
...........100R
E
or 50 k (whichever is lower)
Max. probe resistance R
P
.......................................100R
E
or 50 k (whichever is lower)
Additional probe resistance error at R
Cmax
or R
Pmax.
.(10 % of reading + 10 digits)
Additional error at 3 V voltage noise (50 Hz) ...........(5 % of reading + 10 digits)
Open circuit voltage ................................................<30 VAC
Short circuit current ................................................< 30 mA
Test voltage frequency ...........................................125 Hz
Test voltage shape .................................................sine wave
Noise voltage indication threshold ..........................1 V (< 50 , worst case)
Automatic measurement of auxiliary electrode resistance and probe resistance.
Automatic measurement of voltage noise.
10.8.2 Contactless earthing resistance measurement using two
current clamps
Measuring range ()
Resolution ()
Accuracy
*)
0.00  19.99
0.01
(10% of reading + 10 digits)
20.0  30.0
0.1
(20% of reading)
30.1  39.9
0.1
(30% of reading)
*)
Distance between test clamps > 30 cm.
Additional error at 3 V voltage noise (50 Hz) ...........10 % of reading
Test voltage frequency ...........................................125 Hz
Noise current indication ..........................................yes
Low clamp current indication ..................................yes
Additional clamp error has to be considered.

METREL EurotestXE Specifications

General

Brand	METREL
Model	EurotestXE
Category	Measuring Instruments
Language	English