02/ 2019
BENNING CM 8
17
Peak Hold: Peak Max/ Peak Min (AC A)
Measuring range
Measuring accuracy
85.0 A… 850 A
± (3 % of the measured value +15 digits)
(for AC + DC with null balance)
7.5 Inrush current
(INRUSH)
Overload protection: 600 A
eff
Sinusoidal curve: 50 Hz - 60 Hz, average time approx. 100 ms
Range
Resolution
Measuring accuracy
Sensitivity
AC A 60 A
0.1 A
± (2.5 % of the measured value + 2 A)
> 10 A
eff
AC A 600 A
1 A
± (2.5 % of the measured value + 5 digits)
> 10 A
eff
7.6 Frequency ranges
(AC V/ AC A)
Overload protection for frequency measurements: 600 V
eff
/ 600 A
eff
Sinusoidal curve 50 Hz - 400 Hz, minimum 20 Hz
Measuring
range
Resolution
Measuring accuracy
Sensitivity
400 Hz
0.1 Hz
± (0.1 % of the measured value + 5 digits)
≥ 5 V
eff
/ ≥ 5 A
eff
4000 Hz
1 Hz
± (0.1 % of the measured value + 5 digits)
usable in case of
reduced sensitivity
7.7 Harmonic distortion
(%THD)
Overload protection: 600 V
eff
/ 600 A
eff
Range
Resolution
Measuring accuracy
Sensitivity
AC V
0.1 %
± (3 % of the measured value +10 digits)
> 10 V
eff
AC A
0.1 %
± (3 % of the measured value +10 digits)
> 10 A
eff
If sensitivity is not sufficient, „rdy“ appears on the display. If the measurement
is done outside the frequency range (45 Hz - 65 Hz), „out.F“ appears on the
display. Evaluation of the upper harmonic wave up to the 25th harmonic wave
(upper harmonic wave).
7.8 Resistance measuring ranges
Overload protection for resistance measurements: 600 V
eff
Measuring
range
Resolution
Measuring accuracy
Max. open-
circuit voltage
600
Ω
0.1
Ω
± (1 % of the measured value + 5 digits)
2.4 V
6 k
Ω
1
Ω
± (1 % of the measured value + 5 digits)
2.4 V
20 k
Ω
10
Ω
± (1 % of the measured value + 5 digits)
2.4 V
Highest displayed value: 5400.
7.9 Diode and continuity test
The stated measuring accuracy applies to a range between 0.4 V and 0.8 V.
Overload protection: 600 V
eff
The integrated buzzer sounds at a resistance R lower than 30 Ω.
Measuring
range
Resolution
Measuring accuracy
Max. measuring
current
Max. open-
circuit voltage
10 mV
± (1.5 % of the measured
value + 5 digits)
1.0 mA
3.0 V
0,1
Ω
± (1.0 % of the measured
value + 5 digits)
2.4 V
7.10 Effective power
(kW) /
power factor
(PF)
Overload protection: 600 V
eff
/ 600 A
eff
Sinusoidal curve: 45 Hz - 65 Hz
Range
Resolution
Measuring accuracy
Sensitivity
4 kW
1 W
The accuracy depends on the
voltage and current deviations!
≥ 10 V
eff
≥ 5 A
eff
40 kW
10 W
360 kW
100 W
Power factor PF: - 1.00... 0.00... + 1.00 ± 3°
Содержание CM 8
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