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The on-load tap-changer is the only moving part connected to the transformer circuit. Therefore, the detection of the on-load tap-changer is becoming more and more important. In the "power equipment transfer and preventive test procedures", asked to check the on-load tap-changer action sequence, measurement switching time. The instrument is mainly used to measure the transformer on-load tap-changer transition waveform, transition time, the instantaneous transition resistance, three-phase synchronization and so on.
The instrument is highly intelligent, all Chinese menu prompts, simple operation. Instrument small size, light weight, anti-interference ability, greatly reducing the labor intensity of the site staff, is the power supply units, transformer manufacturing industry to ensure safe production, improve product quality ideal instrument.
1.Instrument output current, light weight;
2.Test YO, Y, type transformer, the resistance unnecessary to be converted but directly display;
3.With winding or without winding measurement;
4.Waveform display automatically adjusts the resistance according to the sampled value, the time value amplitude
5.There is a perfect protection circuit, reliability and strong;
6.7-inch large LCD display, easy on-site operation;
7.Built-in high-capacity lithium battery, can not take external power (optional)
8.500 sets of data can be saved in Internal automatically.
Output current | 1.0A, 0.5A 0.2A |
Measuring range Transition resistance | 2Ω~20Ω(1.0A) 5Ω~40Ω(0.5A) 20Ω~100Ω(0.2A) |
Transition time | 0 ~ 320ms |
Open circuit voltage | 24V |
Measurement accuracy Transition resistance | ± (5% reading ± 0.1Ω) |
Transition time | ± (0.1% reading ± 0.2ms) |
Dimensions | 340mm × 245mm × 210mm |
Instrument weight | 7kg |
Ambient temperature Ambient humidity | -10 °C ~ 50 °C ≤ 85% RH |
Power frequency Work Power | 50 ± 1Hz AC220V±10% |
Packing List
1 | Host | 1 set |
2 | Test wire | 1set(4pcs) |
3 | Shorting wire | 4pcs |
4 | Power wire | 1pcs |
5 | Ground wire | 1pcs |
6 | Product manual | 1pcs |
7 | Qualification card | 1pcs |
Huazheng Electric Manufacturing (Baoding) Co.,Ltd Established in March 2008. We are located in Baoding near Beijing and have convenient transportation access.
Huazheng Electric is a professional manufacturer engaged in the research, development, production, sale and service of electric power systems. our products are extensively used in power systems, railway systems, large-scale petrochemical plants and enterprises have a lot of electrical equipment. In addition, we have attained CE ISO9001 certificates.
Our products are widely recognized and trusted by users and can meet continuously changing economic and social needs. To learn more about what we can do for you, contact us at any time. We look forward to establishing a good and long-term business relationship with you.