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              GDZJ-10S Turn-to-turn Surge TesterGDZJ-10S is used to test turn-to-turn insulation strength of single phase motor, 3-phase motor, Micro motor, Special motor, electrical motor, transformer (including switching mode power supply transformer), relay and winding electrical equipment. 
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              GDZJ-30S Turn-to-Turn Surge Withstand TesterGDZJ-30S is used to test turn-to-turn insulation strength of rate voltage 10kV motor, HV and LV motor, AC/DC motor, transformer winding and coil winding. 
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              GDZJ-5S Surge Generator For MotorGDZJ-5S is used to test turn-to-turn insulation strength of single-phase motor, 3-phase motor, Micro motor, Special motor, electrical motor, transformer (including switching mode power supply transformer), relay and winding electrical equipment. 
