Benning CM 8 - Page 25

02/ 2019 BENNING CM 8
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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 kΩ 1 Ω ± (1 % of the measured value + 5 digits) 2.4 V
20 kΩ 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°