GDZC-20S Three Channel 20A Transformer Winding Resistance Tester
Product Description
GDZC-20S Three Channel 20A Transformer Winding Resistance Tester
Main Features about GDZC-20S Three Channel Transformer Winding Resistance Tester:
Three phase simultaneous measurement: It can measure the DC resistance of the three-phase winding at the same time.
Wide range of current output: Three Channels: Max test ccurrent is 20A. Single Phase: Max test current is 40A.
Accelerate your testing time: The measurement time is one third of the traditional single-phase measurement.
Panel type printer and large-capacity non-volatile memory: the measurement results can be stored and printed out easily.
Wiring Diagram for Three Phase:
The three-phase measurement applies to the windings of YN star connection with neutral lead. For the windings of yn connection, since difference exists between the three-phase and single-phase measurement results due to the effect of copper bus connected, single-phase measurement is recommended.
Technical Index
| Test Current | Single phase: 1A 5A 10A 20A 40A Three phase: 1A 5A 10A 20A |
Measurement Range | Single Phase: 1A: 10 mΩ~20Ω 5A: 1 mΩ~4Ω 10A:1 mΩ~2Ω 20A: 1 mΩ~1Ω 40A: 1 mΩ~0.5Ω Three-phase simultaneous measurement: 1A: 10 mΩ~6Ω (each phase) 5A: 1 mΩ~1Ω (each phase ) 10A: 1 mΩ~0.6Ω (each phase ) 20A: 1 mΩ~0.3Ω (each phase ) |
Measurement Accuracy | ±0.2% (Full span ) ±2 words |
Max resolution | 0.1μΩ |
Date storage | 150 groups |
Power Supply | 220V±10%,50/60Hz |
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Contact Person: Christine Gou
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