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Transformer DC Resistance Tester
Product introduction
Winding Resistance Ohmmeter is a very important test project. In the "electrical equipment test procedures", it ranks second in transformer test project. "Electrical equipment test procedures" provides that it is necessary to measure the DC resistance of transformer windings during transformer transfer, heavy maintenance, light maintenance, changing tap joint position, troubleshooting and pre-test, which aims to:
1)Check the welding quality of lead and down-lead within the winding;
2)Check whether the contact of each tapping switch position is good;
3)Check whether the winding or down-lead is broken
4.Check whether the parallel branch is correct and whether the winding winded by several parallel wires has one or several disconnection;
5)Check whether layer or inter-turn is short circuit
6)Alternative Name:DC resistance tester , DC resistance rapid tester, transformer DC resistance tester.
Product parameters
1. Measurement Range:
Measurement Range: 0~2000Ω(Total six ranges)
Measurement current:5A(20mΩ~2Ω); 0.5A(20Ω); 0.05A(200Ω); 0.005A(2000Ω
Maximum Resolution: 1μΩ(20mΩranges); 10μΩ(200mΩranges); 0.1mΩ(2Ωranges)
1mΩ(20Ωranges); 10mΩ(200Ωranges); 0.1Ω(2000Ωranges)
Accuracy: 1mΩ~2000Ω ( ±0.5 % RDG +2 d )
Power Dissipation:≤100W
Work Environment:Temperature: 0°C~40°C; Relative Humidity≤ 85 % RH
Power supply: AC220V 50 HZ (±10 %)
Dimension:350mm(L)× 260mm(W)× 140mm(D)
Instrument Weight:3kg
2. Appearance:
1 |
LCD Display |
6 |
Printer |
2 |
Test button C1 |
7 |
Operating key |
3 |
Test button P1 |
8 |
Power Switch |
4 |
Test button P2 |
9 |
220V Power Jack |
5 |
Test button C2 |
10 |
Ground button |
Shanghai TRIHOPE International Co., Ltdwas registered in Shanghai China in the year of 2003. Its total investment is about USD 2 Million. Being a professional foreign trading company, TRIHOPE is also the marketing institute of its sister company M/s SENERGE Electric Equipment Co., Ltd,which is a professional equipment manufacturer.
SENERGE Electric Equipment Company (SENERGE) was established in 2009, located in Shanghai Zhang Jiang Pinghu Hi-Tech Zone. The total investment of SENERGE is more than 5 million USD. SENERGE has full range of good machines and tools to ensure its machining process and offer customer good quality products.
Chen Jiabing (Chief Designer)
More than 35 years working experience of design and manufacturing in transformer industry. Served as tranformer and transformer equipment design and technology in Shanghai Transformer Factory, ALSTOM, AREVA, and other domestic transformer factories.
Wei Wang (Chief Production Officer)
With 35 years working experience in transformer industry. Served as transformer manufacturing in Shanghai Transformer Factory, ALSTOM, AREVA, and other domestic transformer factories.
Wang Daming ( Chief Service Officer)
Master degree of enigneering. 25 years working experience. Once worked in Pakistan, Indonesia overseas factories; visited nearly 40 countries, traveling throughout Africa, South America, America, Oceania, Asia and other places, with a wealth of experience working overseas.
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