Benning CM 8 Operating Manual page 25

Peak Hold: Peak Max/ Peak Min (AC A)
Measuring range
85.0 A... 850 A
7.5 Inrush current (INRUSH)
Overload protection: 600 A
Sinusoidal curve: 50 Hz - 60 Hz, average time approx. 100 ms
Range Resolution
AC A 60 A
AC A 600 A
7.6 Frequency ranges (AC V/ AC A)
Overload protection for frequency measurements: 600 V
Sinusoidal curve 50 Hz - 400 Hz, minimum 20 Hz
Measuring
Resolution
range
400 Hz 0.1 Hz
4000 Hz
7.7 Harmonic distortion (%THD)
Overload protection: 600 V
Range Resolution
AC V
AC A
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
Measuring
Resolution
range
600 Ω
6 kΩ
20 kΩ
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
The integrated buzzer sounds at a resistance R lower than 30 Ω.
Measuring
Resolution
range
10 mV
0,1 Ω
7.10 Effective power (kW) / power factor (PF)
Overload protection: 600 V
Sinusoidal curve: 45 Hz - 65 Hz
Range Resolution
4 kW
40 kW
360 kW
Power factor PF: - 1.00... 0.00... + 1.00 ± 3°
02/ 2019
eff
0.1 A ± (2.5 % of the measured value + 2 A)
1 A ± (2.5 % of the measured value + 5 digits)
± (0.1 % of the measured value + 5 digits)
1 Hz ± (0.1 % of the measured value + 5 digits)
/ 600 A
eff
0.1 % ± (3 % of the measured value +10 digits)
0.1 % ± (3 % of the measured value +10 digits)
0.1 Ω ± (1 % of the measured value + 5 digits)
1 Ω ± (1 % of the measured value + 5 digits)
10 Ω ± (1 % of the measured value + 5 digits)
eff
Measuring accuracy
± (1.5 % of the measured
value + 5 digits)
± (1.0 % of the measured
value + 5 digits)
/ 600 A
eff
1 W
The accuracy depends on the
10 W
voltage and current deviations!
100 W
BENNING CM 8
Measuring accuracy
± (3 % of the measured value +15 digits)
(for AC + DC with null balance)
Measuring accuracy
Measuring accuracy
eff
Measuring accuracy
Measuring accuracy
eff
Measuring accuracy
/ 600 A
eff eff
≥ 5 V
usable in case of
reduced sensitivity
eff
circuit voltage
Max. measuring
current
1.0 mA
Sensitivity
≥ 10 V
≥ 5 A

Sensitivity
> 10 A
eff
> 10 A
eff
Sensitivity
/ ≥ 5 A
eff eff
Sensitivity
> 10 V
eff
> 10 A
eff
Max. open-
2.4 V
2.4 V
2.4 V
Max. open-
circuit voltage
3.0 V
2.4 V
eff
eff
17