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| whgdmk12345 |
Postato il 12/13/2022 : 02:16:46
https://www.mktester.com/transformer-tester/transformer-ratio-tester/automatic-variable-ratio-group-tester.htmlOverview#65306;
In the process of semi-finished and finished production of power transformers, before the newly installed transformers are put into operation and according to the state Grid's preventive test rules, it is required to test the transformer's turn ratio or voltage ratio regularly.The traditional variable ratio bridge operation is tedious, the reading is not intuitive, and the necessary conversion, the test result is only one phase change ratio value.The transformer transformer ratio tester overcomes the shortcomings of the traditional transformer ratio bridge test, the screen uses a large screen high resolution LCD screen, convenient to use in the field, with Chinese menu prompt function, simple and intuitive operation, a complete three phase change ratio test, test speed, high accuracy.
Technical parameter#65306;
range 0.9#65374;10000
The accuracy of
±(reading x 0.1%+2 words)(< or equal to 500)
±(reading x 0.2%+2 words)(#8805; 500 #8804; 3000)
±(Reading x 0.3%+2 words)(> 3000)
The resolution of the
0.9 ~ 9.9999 (0.0001) 100 ~ 999.99 (0.01) 10000 and above (1)
10 ~ 99.999 (0.001) 1000 ~ 9999.9 (0.1)
Working power supply AC220V±10% 50Hz
Instrument weight 3.5kg
The use of temperature -10#8451;#65374;50#8451;
Overall dimensions 260mm(l)×200mm(W)×160mm(H)
Relative humidity < 90%, no dew
Feature:
1. Full three-phase sinusoidal inverter output, the output voltage is automatically adjusted, with soft start, soft stop function, so the test speed is fast, high precision;
2. Three-phase transformer, single-phase transformer, PT, Z type transformer ratio, group, polarity test function;
3. Blind test function, that is, variable ratio and group test when high and low pressure connection mode is not known;
4. CT variable ratio polarity test function;
5. Angle difference test function for single-phase test; |
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