3.5. VARIATIONS IN THE RANGE OF USE
Quantity of influence
Temperature
Relative humidity
Frequency
Position of the conductor
20mm in diameter
Adjacent conductor
carrying a 50Hz AC current
External 400A/m field at
50Hz
Common mode rejection
Remanence
3.6. POWER SUPPLY
The instrument is powered by a 9V battery (type 6LR61, 6LF22, or NEDA 1604).
The average battery life is 50h with an alkaline battery.
The instrument can be powered by an external supply (5Vdc, 100mA) via the type B micro‑USB connector.
Range of influence
‑10 to + 55°C
10 to 85%RH
from 10 to 400Hz
from 400Hz to 7kHz
from 7 to 30kHz
Conductor 23mm from
the clamp
Cable centred
6 0 0 V
b e t w e e n
the jacket and the
secondary
36
Error in% of reading
Typical
50Adc: 1.2A
100Adc: 2.3A
200Adc: 3.4A
400Adc: 4.8A
600Adc: 5.5A
800Adc: 5.8A
Maximum
0.3%
0.5%
1%
3.5%
see curves
0.5%
10mA/A
1.3A
65 dB A/V at 50Hz