surge tester application
  2026/06/17| View:348
The interlayer short circuit tester, also known as inter-turn surge withstand tester, is standard testing equipment for winding component production lines. It mainly detects invisible hidden faults such as interlayer short circuits, damaged inter-turn insulation, scratched copper wires, misplaced windings, cold solder joints and abnormal turns.
The instrument applies high-voltage surge pulses to the tested windings. By comparing the attenuation and phase differences between the oscillating waveforms of standard coils and workpieces, it accurately identifies internal insulation breakdown and eliminates defective products before delivery to avoid short-circuit burnout of finished equipment.

Main Application Scenarios

  1. Power Electronic Components

    It supports full batch inspection of power inductors, common-mode inductors, switching transformers and high-frequency coils, quickly screening micro interlayer short circuits and scratched copper wires to meet strict factory testing standards for power components.

  2. New Energy Drive Motors

    It performs insulation tests on vehicle drive motors, water pump motors and BLDC stator coils to strictly control winding insulation reliability and eliminate safety hazards like coil breakdown and spontaneous combustion during vehicle operation.

  3. Small Household Appliance Motors

    Factory inspection for windings of air conditioners, fans, vacuum cleaners and washing machines. It detects tiny inter-turn short circuits to greatly cut after-sales maintenance failure rates.

  4. Industrial & Medical Precision Coils

    It verifies insulation reliability for industrial servo motors, medical special transformers and electromagnetic actuator coils, complying with strict safety compliance standards for medical and industrial control industries.

Core Equipment Advantages

Ordinary multimeters can only detect obvious open circuits and fail to identify micro interlayer short circuits with negligible resistance changes. Relying on high-voltage waveform comparison, the interlayer short circuit tester accurately captures early insulation risks. Featuring fast test speed, it can be seamlessly integrated with automated production lines, supporting waveform storage, data logging and automatic defective marking. It effectively reduces manual missed detection and provides comprehensive insulation safety guarantee for all types of winding components.

2250f25c-3b97-474f-a354-86dfc639ddb0.png6e651e8b-b818-4dce-9db0-532cf2203ea3.png