Operation Manual
GMC-I Messtechnik GmbH 21
Current
for current measurement:
for power factor measurement:
0 ... 1.2 · I
N
0 ... 1.0 · I
N
0 ... 1.2 · I
N
/ 25 A : 0.3 ... 1.0 · I
N
Power factor
at power factor measurement:
cos = 0 ... 0.866 ... 1
cos = 0 ... 0.95 ... 0.99
Battery voltage 6.6 ... 11 V (for each of the two batteries)
Other influence quantities according to EN 60 051, IEC 51
Nominal ranges of use
Temperature 0 ... 21 ... 25
... 50 C
Frequency
for voltage measurement:
for current measurement:
10 ... 16 ... 65
... 400 Hz
10 ... 16 ... 65 ... 200 Hz
(... 400 Hz mit Tol. 10%)
10 ... 16 ... 65
... 400 Hz
Influence quantities within the nominal ranges of use
Temperature bei W: 1.5% / 10 K
bei V, A: 2.5% / 10 K
Other influence quantities according to EN 60 051
Ambient conditions
Operating temperatures 0 ... 50 C
Storage temperatures 25 ... 65 C
Power Supply
Batteries
2 each 9 V flat cell batt. IEC 6F22, 6LF22 or 6LR61
each one for voltage and current path
Lifespan approx. 200 hours
Battery test by battery test section on the scale
Electrical safety
Protection class
II per IEC 61010-1/EN 61010-1/VDE 0411-1
Measuring category III
Nominal voltage 300 V
Pollution degree 2
Test voltage 3.7 kV per IEC 61010-1/EN 61010-1