3.5. VARIATIONS IN THE RANGE OF USE
Quantity of influence
Temperature
Relative humidity
Frequency
Position of the conductor
20 mm in diameter
Adjacent conductor
carrying a 50 Hz AC
current
External 400 A/m field at
50 Hz
Common mode rejection
Remanence
3.6. POWER SUPPLY
The instrument is powered by a 9 V battery (type 6LR61, 6LF22, or NEDA 1604).
The average battery life is 50 h with an alkaline battery.
The instrument can be powered by an external supply (5 Vdc, 100 mA) via the type B micro‑USB connector.
Range of influence
‑10 to + 55°C
10 to 85 %RH
from 10 to 400 Hz
from 400 Hz to 7 kHz
from 7 to 30 kHz
Conductor 23 mm
from the clamp
Cable centred
600 V between
the jacket and the
secondary
36
Error in % of reading
Typical
50 Adc: 1.2 A
100 Adc: 2.3 A
200 Adc: 3.4 A
400 Adc: 4.8 A
600 Adc: 5.5 A
800 Adc: 5.8 A
Maximum
Drift of the zero
± 100 mA / °C
Drift of the gain
3 %
0.5 %
1 %
3.5 %
see curves
0.5 %
10 mA/A
1.3 A
90 dB A/V at 50 Hz