
43
METROLOGICAL SPECIFICATIONS
Reference conditions
Climatic conditions
Distortion conditions
Reference conditions
Ambient temperature
23°C ± 3 K
Relative humidity
50% RH ± 10%
Battery voltage
8 V ± 0.2 V
External magnetic field
< 40 A/m
External electric field
< 1 V/m
Operating position
Clamp horizontal
Position of conductor in the clamp
centred
Proximity to metallic mass
> 10 cm
Loop resistance
Non choke resistance
Current measured, sinusoidal frequency
50 Hz
Rate of distorsion
< 0.5%
Interference current on measurement of loop resistance
nil
▼
▼
°C
RH % (with condensation)
-40 -30 -20 -10
0
10
20
30
40
50
60
70
100
90
80
70
60
50
40
30
20
10
400 to 800 mm Hg
1
2
3
3
1
Reference range
2
Operating range
3
Storage range: (internal or
external use of equipment)