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No |
Testing item |
Testing Voltage | Testing range | Testing precision | Testing way |
1 | AC withstand voltage | AC100~2800V | 0.5/1/2/5/10mA | ±3.0% | Between winding and core |
2 | Insulation resistance | DC500V | 10~500MΩ | ±5.0% | Between winding and core |
3 | Cold resistance | 0.001~9.999Ω | ±0.5% | Between armature stampings | |
4 | Between turns insulation | DC100~2800V | ±3.0% | Between commutator and winding welding points | |
5 | Welding resistance | 0.001~0.999Ω | ±0.5% | Main phase/high gear |
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