Resistor Calibration Boxes

RCB-3 - Standard Electric Works Co., Ltd (SEW)

● The RCB-3 is used to verify and proof any High Voltage Insulation   Testers. It can be utilized to calibrate all High Voltage Insulation   Testers very accurately Analogs or Digitals.● Some institutions and large industries requested their own calibrator   too, therefore, SEW started manufacturing the RCB for special   customers.