4.1. REFERENCE CONDITIONS
Temperature: +18 ... +28°C
Relative humidity: 20 ... 75 % HR
Battery voltage: 9 V ± 0.5 V
Measurement of sinusoidal alternating current: 10 Hz to 100 Hz
Continuous magnetic field: Earth's magnetic field (< 40 A/m)
Alternating external magnetic field: none present
External electrical field: none present
Position of conductor for measurement: centred within the air-core
Shape of air-core: practically circular
Impedance of multimeter connected: ≥ 1 MW
4.2. CONDITIONS OF USE
The box must be used within the following parameters to ensure user safety and measurement
accuracy:
Environmental conditions: see graph below
Humidity %Hr
100
90
80
70
60
50
40
30
20
10
0
1 = Reference range
NB: the flexible air-core can withstand a maximum temperature of 90°C.
Performance in humidity: 90% RH at 50°C.
4. SPECIFICATIONS
3
-50 -40 -30 -20 -10 0
2 = Operational range
2
1
10 20 30 40 50 60 70 80 90
Temperature in °C
3 = Storage range
15