Metrological Specifications; Distortion Parameters - Chauvin Arnoux PAC 20 Bedienungsanleitung

4.3/ METROLOGICAL SPECIFICATIONS

All the errors are indicated as a % of Vs (value of output voltage)
- output impedance : 100 Ω
- Impedance of the measurement instrument connected: ≥ 1 MΩ
and ≤ 100 pF
- zero adjustment : ± 10 A
I Intrinsic error in the reference range
Primary current 0.5...100 A
Accuracy ≤ 1.5% + 1 mV
I 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 ≤ 1 mV peak-peak ( or 1 A peak-peak)
from DC to 5 kHz ≤ 1.5 mV peak-peak (or 1.5 A peak-peak)
from 1 Hz to 5 kHz ≤ 500 µV rms ( or 0.5 A rms)

Distortion parameters

I 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
I Battery voltage: ≤ 1A/ V
I Temperature: ≤ 300 ppm /°C or 0.3% /10°C
I Humidity 10...85% RH at ambient temperature: ≤ 0.5%
I Position of a conductor of ∅ 20 mm :
from DC to 440 Hz
from DC to 1 kHz
from DC to 2 kHz
from DC to 2 kHz
I Adjacent conductor carrying an AC current 50...60 Hz, at 23 mm
from the clamp: < 10 mA/A
I Distortion of an external field of 400 A/m (50 Hz) on centred
cable: < 1.3 A
I Common mode rejection: > 65 dB A / V from 50 to 400 Hz
I Residual magnetism: < 4 mA/A for a DC current from -1400A
to +1400 A
100...800 A 800...1000 A AC
800...1400 A DC
≤ 2.5%
10...200 A 200...1000 A
≤ 2.5°
-2%
-5%
-4 dB
< 0.5%
< 1%
< 3%
< 10%
13
≤ 4%
≤ 2°