3 Phase Insulation Test – WL-138 DUOYI 5102A

WL-138 DUOYI 5102A 3 PHASE INSULATION TESTER is a device used to measure insulation resistance in electrical systems. This instrument is used especially in industrial plants, when insulation tests on electrical panels and other electrical equipment are required.

The model 5102A is typically designed for use in three-phase systems and can precisely measure insulation resistance. The device is used to ensure the safety of high-voltage power lines and to detect insulation faults.