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DY-100 Automatism Transformer Ratio Testing by the upscale 16 monolithic computer is the core, matches becomes by the high speed periphery chip and the advanced manufacture craft combination, it may survey Ratio and group of single-phase, the three-phase transformer and Mutual Inductor. The instrument wiring is simple, the operation easy to operate, is at present domestic power transformer Ratio compared to the group other characteristic test in the advanced instrument, suits the user community need.

1. Connection mood：I/I，Y/Y，△/Y，Y/△，△/△。
2. Measure range：Transformation Ratio：1～9999.9；Group ：0～11
3. Measure error：±0.2%
4. Display mood： Large screen liquid crystal display and sensitive printer
5. Work supply power：AC220V±22V，50Hz
6. temperature condition： 0℃～40℃，
7. Relative humidity≤90%
8. Output measure voltage：200V , current：0.2A
9. Dimensions and Net Weight：380mm×280mm×230mm,5kg