Chauvin Arnoux C.A 6116, User Manual

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8.3.6. EARtH MEAsUREMEnt on lIvE CIRCUIt, looP AnD sElECtIvE EARtH
Quantities of influence Limits of the range of use
Variation of the measurement
Typical Maximum
Temperature -10 … + 55 °C 1 %/10 °C ± 1 ct 2 %/10 °C + 2 ct
Relative humidity 10 … 85 % RH at 45°C 2 % 3 % + 2 ct
Supply voltage 8.4 … 10 V 0.5% or 2 ct 2% + 2 ct
Network frequency of the installation
tested 99 to 101% of the nominal
frequency
0.1% or 1 ct 0.1% + 1 ct
Network voltage of the installation tested
85 to 110% of the nominal
voltage
0.1% or 1 ct 0.1% + 1 ct
Phase difference between the internal load
and the measured impedance or induct-
ance of the measured impedance or L/R
ratio of the measured impedance
0 …20°
or 0 … 400 mH
or 0 … 500 ms
1%/10° 1%/10°
Resistance in series with the voltage probe
(earth on live circuit only)
0 … 15 k
W
Negligible
(taken into account in the
intrinsic uncertainty)
Negligible
(taken into account in the
intrinsic uncertainty)
Contact voltage (U
C
) 0 … 50 V
Negligible
(taken into account in the
intrinsic uncertainty)
Negligible
(taken into account in the
intrinsic uncertainty)
8.3.7. tEst of REsIDUAl CURREnt DEvICE
Quantities of influence Limits of the range of use
Variation of the measurement
Typical Maximum
Temperature -10 … + 55 °C 1 %/10 °C ± 1 ct 2 %/10 °C + 2 ct
Relative humidity 10 … 85 % RH at 45°C 2 % 3 % + 2 ct
Supply voltage 8.4 … 10 V 0.1% or 1 ct 0.5% + 2 ct
Network frequency of the installation
tested 99 to 101% of the nominal
frequency
0.1% or 1 ct 0.1% + 1 ct
Network voltage of the installation tested
85 to 110% of the nominal
voltage
0.1% or 1 ct 0.1% + 1 ct
8.3.8. DIRECtIon of PHAsE RotAtIon
No quantity of influence
8.3.9. PowER
Quantities of influence Limits of the range of use
Variation of the measurement
Typical Maximum
Temperature -10 … + 55 °C 1 %/10 °C ± 1 ct 2 %/10 °C + 2 ct
Relative humidity 10 … 85 % RH at 45°C 2 % 3 % + 2 ct
Supply voltage 8.4 … 10 V 0.1% or 1 ct 0.5% + 2 ct
Network frequency of the installation
tested 99 to 101% of the nominal
frequency
0.1% or 1 ct 0.1% + 1 ct
Network voltage of the installation
tested 85 to 110% of the nominal
voltage
0.1% or 1 ct 0.1% + 1 ct
Power factor
0.50 … 1.00 at 45…65 Hz
0.20 … 0.49 at 45…65 Hz
0.50 … 1.00 at 15.8…17.5 Hz
0.20 … 0.49 at 15.8…17.5 Hz
0.5%
1.5%
2%
4%
1% + 2 ct
3% + 2 ct
2.5% + 2 ct
5% + 2 ct
8.3.10. voltAGE AnD CURREnt HARMonICs
The quantities of influence and the associated variations are the same as for voltage measurements and current measurements,
respectively.