GDZRS-20B Three Phase DC Winding Resistance Tester
??For Yn-type, Y-type and △-type windings, the three-phase measurement method can be used for testing, and the three-phase unbalance rate can be calculated.
??The test power supply has a maximum output current of 20A and a test range of 0~25kΩ, which meets the testing needs of most transformers; it also integrates magnetization and degaussing functions to meet various needs of field tests.
??The test process can automatically calculate the resistance value change rate within 5S, 15S, and 30S, which can assist the tester to judge the stability of the test data and prevent misreading of the data.
??The instrument has multiple protection functions such as back electromotive force protection, wire break protection and power outage protection.
??The instrument is equipped with a thermal printer, which can store 200 pieces of data and supports USB mass storage.
??Industrial-grade 7-inch true-color large-screen display, fresh and simple display style design, full touch plus one-button shuttle operation, creating a comfortable and convenient human-computer interaction experience for you. ?
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Output current |
Single?phase:?20A, 10A, 5A, 1A, 0.1A, 10mA, <1mA Three-phase:?10A+10A, 5A+5A, 1A+1A, 0.1A+0.1A |
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Measuring range |
Single phase: 20 A: 0.5mΩ～ 1 Ω 10 A: 1.0mΩ～2 Ω 5 A:10 mΩ～4 Ω 1 A: 0.1Ω～20Ω 0.1A: 2.0Ω～200Ω 10mA: 50Ω～2kΩ <1mA: 500Ω～25kΩ Three phases: 10A + 10A: 0.5mΩ ~ 0.8 Ω 5 A + 5 A: 10 mΩ ~ 1.6 Ω 1 A + 1 A: 0.1 Ω ~ 8.0 Ω 0.1A+0.1A: 2.0 Ω ~ 80 Ω |
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Accuracy |
±(reading*0.2%+2 words) |
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Working power supply |
AC220V±10%, 50/60Hz |
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Operating temperature |
-10℃～50℃ |
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Relative humidity |
<90%, no condensation |
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Instrument volume |
400*315*223mm |
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Instrument weight |
9kg |
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