Metrological Specifications - Chauvin Arnoux PAC 20 Manual De Instrucciones

4.3/ METROLOGICAL SPECIFICATIONS

All the errors are indicated as a % of Vs (value of output voltage)
- output impedance : 100 W
- Impedance of the measurement instrument connected: ³ 1 MW
and £ 100 pF
- zero adjustment : ± 10 A
Intrinsic error in the reference range
Primary current
Accuracy
Phase error (45...65 Hz)
Primary current
Phase shift
- Rise time from 10 to 90% Vs: £ 100 µs
- Fall time from 90 to 10% Vs: £ 100 µs
- Output noise:
from DC to 1 kHz
from DC to 5 kHz
from 1 Hz to 5 kHz £ 500 µV rms ( or 0.5 A rms)
Distortion parameters
Maximum distortion of the frequency on the measurement (to
be added to the error in the reference range):
from 65 to 440 Hz
from 440 to 1000 Hz
from 1kHz to 5 kHz
Battery voltage: £ 1A/ V
Temperature: £ 300 ppm /°C or 0.3% /10°C
Humidity 10...85% RH at ambient temperature: £ 0.5%
Position of a conductor of Æ 20 mm :
from DC to 440 Hz
from DC to 1 kHz
from DC to 2 kHz
from DC to 2 kHz
Adjacent conductor carrying an AC current 50...60 Hz, at 23 mm
from the clamp: < 10 mA/A
Distortion of an external field of 400 A/m (50 Hz) on centred
cable: < 1.3 A
Common mode rejection: > 65 dB A / V from 50 to 400 Hz
Residual magnetism: < 4 mA/A for a DC current from -1400 A
to +1400 A
0.5...100 A
£ 1.5% + 1 mV
10...200 A
£ 2.5°
£ 1 mV peak-peak ( or 1 A peak-peak)
£ 1.5 mV peak-peak (or 1.5 A peak-peak)
-2%
-5%
-4 dB
< 0.5%
< 1%
< 3%
< 10%
100...800 A
£ 2.5%
13
800...1000 A AC
800...1400 A DC
£ 4%
200...1000 A
£ 2°