Chapter II
46 Digital Earth Tester
4.1.9. Climatic conditions
4.1.10. Variation in nominal field of use
Influence quantities
Field limits of use
typical maximum
Temperature
0 to 45qC
0.4 %
1 x class /
10qK
Humidity
20 to 80 % RH
0.5 %
Supply voltage
7 V to 10 V 0 D 1 D
Frequency in amps
45 to 65 Hz 1 D 2 D
Frequency in Volts
45 to 65 Hz 1 D 2 D
// capacity on insulation
resistance
0 to 5 µF 0 D 1 D
Rod resistance influence
(in S and H)
20 :
range
2000 :
range
0 to 100 x Ra
(< 50 k:)
0 %
9 %
15 %
Parasite voltage
influence as per
IEC 61557-5, at 3 V, in Hz
16,66 ; 50 ; 60 ; 400 0 D
0 D
-
-
10
50
00
% HR
I I I I I I I I I I I
-20 0 10 20 30 40 50 60 70 80°C
Areas:
reference
use
storage