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02/ 2020
BENNING MM 5-1/ 5-2
24
7. Electrical data
Note: The measurement accuracy is stated as the sum of
- a relative proportion of the measurement value and
- a number of digits (i.e. numerical steps of the last place).
This measurement accuracy applies for a temperature of 18 °C to 28 °C and a
maximum relative humidity of max. 80 %.
The measurement value is obtained as a true RMS value (AC coupling) and
displayed as such. Square-wave signals (> 100 Hz) are not specified. With
non-sinusoidal curves, the value displayed is less accurate. This results in an
additional error for the following crest factors:
Crest factor of 1.0 to 2.0, additional error + 1.0 %.
Crest factor of 2.0 to 2.5, additional error + 2.5 %.
Crest factor of 2.5 to 3.0, additional error + 4.0 % (applies to up to 4000 digits).
7.1 DC voltage ranges
The input resistance is 10 MΩ
Overload protection: 600 V
AC/DC
Measuring range OL indication
Resolution
Measurement accuracy
6.000 V
6.600 V
0.001 V
± (0.5 % of reading + 3 digits)
60.00 V
66.00 V
0.01 V
± (0.5 % of reading + 3 digits)
600.0 V
660.0 V
0.1 V
± (0.5 % of reading + 3 digits)
7.1.1 DC voltage ranges mV DC
The input resistance is 10 MΩ
Overload protection: 600 V
AC/DC
Measuring range OL indication
Resolution
Measurement accuracy
600.0 mV
660.0 mV
0.1 mV
± (0.5 % of reading + 5 digits)
7.2 AC voltage ranges
The input resistance is 10 MΩ parallel < 100 pF.
Overload protection: 600 V
AC/DC
Measuring
range
OL indication
Resolution
Measurement accuracy
in frequency range 45 Hz - 500 Hz (sine)
600.0 mV
660.0 mV
0.1 mV
± (2.5 % of reading + 5 digits)*
6.000 V
6.600 V
0.001 V
± (1.0 % of reading + 3 digits)
60.00 V
66.00 V
0.01 V
± (1.0 % of reading + 3 digits)
600.0 V
660.0 V
0.1 V
± (1.0 % of reading + 3 digits)
* Measuring range from ≥ 2.0 mV
7.3 DC current ranges
(BENNING MM 5-2)
Overload protection:
- 15 A (600 V AC/ DC) fuse, 50 kA, rapid on 10 A input
Max. measuring time:
- 3 minutes at 10 A (pause > 20 minutes)
- 15 secondes at 20 A (pause > 20 minutes)
Measuring range OL indication
Resolution
Measurement accuracy
6 A
6.600 A
0.001 A
± (1.5 % of reading + 3 digits)
10 A
20.00 A
0.01 A
± (1.5 % of reading + 3 digits)
7.3.1 µA DC current ranges
(BENNING MM 5-2)
The input resistance is approx. 3 kΩ.
Overload protection: 600 V
AC/DC
Measuring range OL indication
Resolution
Measurement accuracy
400.0 µA
440.0 µA
0.1 µA
± (0.9 % of reading + 5 digits)
4000 µA
4400 µA
1 µA
± (0.9 % of reading + 5 digits)
7.4 AC current ranges
(BENNING MM 5-2)
Overload protection:
- 15 A (600 V AC/ DC) fuse, 50 kA, rapid on 10 A input
Max. measuring time:
- 3 minutes at 10 A (pause > 20 minutes)
- 15 secondes at 20 A (pause > 20 minutes)
