10/ 2019
BENNING CM 9-2
12
without filter (LPF function deactivated)
Measuring range Resolution
Measuring precision
30 Hz ~ 50 Hz
50 Hz ~ 60 Hz
60 Hz ~ 1 kHz
6.000 mA
*1
0.001 mA
± (2.0 % + 7 digits)
*2
± (1.0 % + 7 digits)
± (2.0 % + 7 digits)
*3
60.00 mA
0.01 mA
600.0 mA
0.1 mA
6.000 A
0.001 A
± (2.0 % + 7 digits)
± (2.0 % + 7 digits)
60.00 A
0.01 A
*1
Measuring range: ≥ 0.010 mA
*2
Frequency range: 15 Hz to 50 Hz, at f < 30 Hz: additional error + 3 %
*3
Frequency range: 60 Hz to 10 kHz, at f > 1 kHz: additional error + 0,5 %
low-pass filter (50 Hz - 60 Hz) activated
Measuring range
Resolution
Measuring precision
30 Hz ~ 50 Hz
50 Hz ~ 60 Hz
6.000 mA
*1
0.001 mA
± (2.0 % + 7 digits)
*2
± (1.0 % + 7 digits)
60.00 mA
0.01 mA
600.0 mA
0.1 mA
6.000 A
0.001 A
± (2.0 % + 7 digits)
60.00 A
0.01 A
*1
Measuring range: ≥ 0.010 mA
*2
Frequency range: 15 Hz to 50 Hz, at f < 30 Hz: additional error + 3 %
Limiting frequency fg (- 3 dB): approx. 200 Hz
Device filter (1 kHz) enabled in compliance to DIN EN 61557-16
Measuring range Resolution
Measuring precision
30 Hz ~ 50 Hz
50 Hz ~ 60 Hz
60 Hz ~ 200 Hz
6.000 mA
*1
0.001 mA
± (2.0 % + 7 digits)
*2
± (1.0 % + 7 digits) ± (2.5 % + 7 digits)
60.00 mA
0.01 mA
600.0 mA
0.1 mA
6.000 A
0.001 A
± (2.0 % + 7 digits)
60.00 A
0.01 A
*1
Measuring range: ≥ 0.010 mA
*2
Frequency range: 15 Hz to 50 Hz, at f < 30 Hz: additional error + 3 %
Limiting frequency fg (- 3 dB): approx. 1 kHz
7.2 Variations and uncertainties
Under the reference conditions given in EN 61557-13, the following additional
errors shall be taken into account:
Variation
E1 Position
1 % of the measured value
E2 Supply voltage
-
E3 Temperature
0.1 x (stated measuring accuracy)/ °C
(<18 °C or >28 °C)
E9 Distorted curve shape
-
E10 DC components in the mains
-
E11 External low-frequency magnetic field
(15 Hz to 400 Hz acc. to IEC 61000-4-8)
± 10 µA per 1 µT (magnetic field)
E12 Load current when using the differential
current method
± 6 µA per 1 A load current additionally