Sonel MPI-530-IT - Additional Data; Iso ); Additional Uncertainties According to IEC 61557-3 (Z); Additional Uncertainties According to IEC 61557-4 (R ±200 Ma)

OPERATING MANUAL MPI-530-IT version 1.06
122
10.2 Additional data
Data on additional uncertainties are useful mainly when the meter is used in non-standard condi-
tions and for metrological laboratories for the purpose of calibration.
10.2.1 Additional uncertainties according to IEC 61557-2 (R
ISO
)
Significant parameter
Designation
Additional uncertainty
Position
E
1
0 %
Supply voltage
E
2
0 %
Temperature 0 °C...35 °C
E
3
2 %
10.2.2 Additional uncertainties according to IEC 61557-3 (Z)
Significant parameter
Designation
Additional uncertainty
Position
E
1
0 %
Supply voltage
E
2
0 %
Temperature 0 °C...35 °C
E
3
1.2 m lead – 0 Ω
5 m lead – 0.011 Ω
10 m lead – 0.019 Ω
20 m lead – 0.035 Ω
WS-03 and WS-04 lead – 0.15 Ω
Phase angle 0° .. 30°
E
6.2
0,6 %
Frequency 99 %..101 % f
n
E
7
0 %
Mains voltage 85 %..110 % U
n
E
8
0 %
Harmonic
E
9
0 %
DC component
E
10
0 %
10.2.3 Additional uncertainties according to IEC 61557-4 (R ±200 mA)
Significant parameter
Designation
Additional uncertainty
Position
E
1
0 %
Supply voltage
E
2
0.5 %
Temperature 0 °C...35 °C
E
3
1.5 %
10.2.4 Additional uncertainties of earth resistance measurement (R
E
)
Additional uncertainties according to IEC 61557-5
Significant parameter
Designation
Additional uncertainty
Position
E
1
0 %
Supply voltage
E
2
0 %
Temperature 0 °C...35 °C
E
3
0 % for 50 V
± 2 digits for 25 V
Serial interference voltage
E
4
±(6.5 % + 5 digits)
Resistance of electrodes
E
5
2.5 %
Frequency 99 %..101 % f
n
E
7
0 %
Mains voltage 85 %..110 % U
n
E
8
0 %