System products Japanese research institute SOKEN four channel online winding resistance/temperature rise testing system HR-SYS4 Call
System products The Japanese research institute SOKEN 10 channel online winding resistance/temperature rise testing system DAC-HRT-1, DAC-SCB-2 Call
System products Japan's SOKEN Transformer Online Winding Temperature Rise Detection System SK-TT-100 Call
System products Japanese General Research Institute SOKEN Partial Discharge Testing System DAC-6021 Call