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6. Environment conditions:
- The BENNING CC 2 is intended for making measurements in dry environ-
ment.
- Maximum barometric elevation for making measurements: 2000 m,
- Overvoltage category IEC 60664/ IEC 61010, 600 V category III,
- Contamination degree 2 according to EN 61010-1
- Protection Class: IP 30 (DIN VDE 0470-1 IEC/ EN 60529)
IP 30 means: Protection against access to dangerous parts and protection
against solid impurities of a diameter > 2.5 mm, (3 - first index). No
protection against water, (0 - second index).
- Operating temperature and relative humidity:
For operating temperatures 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 CC 2 can be stored at any temperature
in the range from 20 °C to + 60 °C ).
7. Electrical specications
Note: The measuring precision is specied as the sum of
- a relative fraction of the measured value and
- a current value in A.
The measurement precision applies at a temperature of 23 °C ± 5 °C and a
relative humidity less than 75 %.
Further specications:
- sinusoidal alternating current (AC) with 48 Hz - 65 Hz
- harmonic distortion < 1%
- no DC component
- external magnetic eld: terrestrial magnetic eld (< 40 A/ m)
- no other live conductors nearby
7.1 Alternating current measurement
Measurement
range
Measured value Output Measurement precision
200 A
0,5 A ... 10 A 0,5 mA ... 10 mA ± (3,0 % + 0,5 mA) at 48 Hz - 65 Hz
10 A ... 40 A 10 mA ... 40 mA ± (2,5 % + 0,5 mA) at 48 Hz - 65 Hz
40 A ... 100 A 40 mA ... 100 mA ± (2,0 % + 0,5 mA) at 48 Hz - 65 Hz
100 A ... 200 A 100 mA ... 200 mA ± (1,0 % + 0,5 mA) at 48 Hz - 65 Hz
Max. equivalent source resistance: 1 Ω
8. Making measurements with the BENNING CC 2
8.1 Preparations for making measurements
Operate and store the BENNING CC 2 only at the specied storage and
operating temperatures. Avoid continuous insulation.
- The nominal voltage and current ratings of the safety measuring
cables included in the scope of delivery correspond to the ratings of the
BENNING CC 2.
- The safety measuring cable is securely connected to the BENNING CC 2
and cannot be removed.
- Check the insulation of the safety measuring cables. Discard the
BENNING CC 2 immediately if the insulation is damaged.
- Do not clamp the measuring pliers on a live conductor before the
BENNING CC 2 has not been connected to a multimeter.
Strong sources of interference in the vicinity of the BENNING CC 2 can lead
to unstable readings and measuring errors.
- Do not apply any voltage to the output contacts of the BENNING CC 2.
Do not exceed the maximum permitted voltage with respect to
earth potential! Electrical danger!
The highest voltage, that may be applied to the BENNING CC 2 against ground
potential, is 600 V.
03/ 2007
BENNING CC 2
7
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