1735
Users Manual
54
Measuring range: see V RMS and A RMS measurement
Power errors are calculated by adding the errors of voltage and current.
Additional error due to power factor PF:
Specified error x (1-IPFI)
Maximum Range with Voltage range 830 V delta-connection and 3000 A
current range is 2.490 MW
Intrinsic error:
±
(0.7 % of m.v. +15 dig)
Resolution: 1
kW
Operating error:
±
(1.5 % of m.v. + 20 dig)
Typical Range with Voltage range 230 V Wye-connection and 150 A current
range is 34.50 kW
Intrinsic error:
±
(0.7 % of m.v. +15 dig)
Resolution:
1 W to 10 W
Operating error:
±
(1.5 % of m.v. + 20 dig)
The errors of the current sensors themselves have not been considered.
Energy Measurement (kWh, KVAh, kVARh)
Intrinsic error:
±
(0.7 % of m.v.+ F variation error*
+15 dig)
Resolution:
1 W to 10 W
Operating error:
±
(1.5 % of m.v. + F variation error* +
20 dig)
* Frequency variation error
±
2 % m.v. + 2*(% maximum frequency
deviation)
PF Power Factor
Range: 0.000
to
1.000
Resolution: 0.001
Accuracy:
±
1 % of full scale
Summary of Contents for 1735
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