Bedienungsanleitung Benning CM6 (Seite 17 von 98) (Deutsch, Englisch, Holländisch, Französisch, Italienisch, Spanisch, Polnisch, Türkisch, Schwedisch)

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09/ 2013

BENNING CM 6



IP 30 means: Protection against access to dangerous parts and protection

against solid impurities of a diameter > 2.5 mm, (3 - first index). No protec-

tion against water, (0 - second index).

- Operating temperature and relative humidity:

For operating temperature from 0 °C to 30 °C: relative humidity less than 80 %

For operating temperatures from 31 °C to 40 °C: relative humidity less than 75 %

For operating temperature from 41 °C to 50 °C: relative humidity less than 45 %

- Storage temperature: The BENNING CM 6 can be stored at any tempera-

ture in the range from - 20 °C to + 60 °C (relative humidity from 0 to 80 %).

The battery should be taken out of the instrument for storage.

7. Electrical specications

Note: The measuring precision is specified as the sum of

- a relative fraction of the measured value and

- a number of digits (counting steps of the least significant digit).

This specified measuring precision is valid for temperatures in the range from

18 °C to 28 °C and relative humidity less than 80 %.

7.1 Direct voltage ranges

The input resistance amounts to 1 MΩ

Measuring range Resolution

Measuring precision Overload protection

400 V 0,1 V ± (0,7 % of the measuring value + 2 digit) 750 V

eff

1000 V 1 V ± (0,7 % of the measuring value + 2 digit) 750 V

eff

7.2 Alternating voltage ranges

The input resistance amounts to 1 MΩ in parallel 100 pF.

Measuring range Resolution

Measuring precision

within the

frequency range 50 Hz - 500 Hz

Overload protection

400 V 0,1 V ± (1 % of the measuring value + 5 digit) 750 V

eff

750 V 1 V ± (1 % of the measuring value + 5 digit) 750 V

eff

The measured value is obtained by mean value rectification and displayed

as r.m.s. value. Its calibration is matched to a sinus-shaped curve type.

7.3 Alternating current ranges

Measuring range Resolution

Measuring precision

within the

frequency range 50 Hz - 60 Hz

Overload protection

60 A 0,1 A ± (1,9 % of the measuring value + 7 digit) 1000 A

eff

400 A 0,1 A ± (1,9 % of the measuring value + 5 digit) 1000 A

eff

1000 A 1 A ± (1,9 % of the measuring value + 5 digit) 1000 A

eff

within the frequency range 61 Hz - 400 Hz

400 A 0,1 A ± (2,5 % of the measuring value + 7 digit) 1000 A

eff

1000 A 1 A ± (2,5 % of the measuring value + 7 digit) 1000 A

eff

The measured value is obtained by mean value rectification and displayed

as r.m.s. value. Its calibration is matched to a sinus-shaped curve type.

The stated precision is specified for conductors that are centrally clamped

by the current probe  (see Fig. 4 alternating current measurement). For

conductors that are not centrally clamped, an additional error of 1 % of the

display value needs to be taken into account.

7.4 Resistance measuring range and acoustic continuity testing

Overload protection: 600 V

eff

Measuring range Resolution Measuring precision

Max. idling voltage

400 Ω 0,1 Ω ± (0,7 % of the measuring value + 3 digit) 3 V

The built-in buzzer sounds in the case of a resistance R less than 30 Ω.

7.5 Frequency ranges

Overload protection: 1000 A

eff

Measuring range Resolution Measuring precision

400 Hz 1 Hz ± (0,1 % of the measuring value + 2 digit)

Minimum input frequency: 20 Hz

Minimum sensitivity: 3 A

eff

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