WE0127 Single Phase Meter Testing & Calibration Equipment is used for the calibration and testing requirement of single phase meter. Designed and manufactured according to IEC , national and occupation standards, combination with the need of power metering, electricity monitoring and manufacturer, the equipment can meet the various requirement of existing and potential requirement of the smart meter calibration.
The equipment can be used for doing the basic and standard error test.
The equipment supports the automatically test of smart energy meter and multifunction energy meter.
The equipment supports the automatically test of direct connected smart energy meter and CT/PT installation smart energy meter.
The equipment supports the test of import/export active/reactive energy and four phase reactive energy.
Each test position has independent error display window, the accuracy displayed can be configured.
The test software supports multiple testing plan, which can be copy, modify, storage and delete at will.
The test software supports pause, continue operation and breakpoint continuation.
The device supports the keyboard manual operation.
The test software supports the storage, copy, print, upload and remote control of the test result.
Starting power testing error is no more than ±5%.
The deviation between the test error of each table and its average value shall not exceed the value specified in the following table for the same batch of specimens being tested at the same test site.
For the same batch of specimens being tested at the same test site, repeat the test at load point with load current is Ib, power constant is 1.0 and 0.5L, the total value of the maximum error changing between two neighbour test result should be no more than 0.2%.
The tolerance error changing caused by the voltage changing from 0.8Un to 1.15Un should not exceed the three times of the limitation.
|
Error Limit |
Ib（Cosφ=1.0、0.5L） |
0.1Ib（Cosφ=1.0） |
|
±0.3 |
±0.4 |