Capacitance and Tan Delta Test Set is a single unit consisting of measuring bridge, power supply with in-built capacitor and is used for field/ portable applications. The Set is suitable for 400 KV s/s applications and has plug-in type of power in and GND connectors. The Set has filters incorporated for 230 v power input and bridge power input for EMI power line protection. The Capacitance and Tan Delta Test Set has outer covering hosepipe for rugged field use.