... 450KV(USEEXT.CT)DC MOVING COIL VOLTMETER(LONG SCALE METER)Model:CP-96,CP-72Class:1.5Spece ... 600VReach IEC-51 and National GB7676-98FrequencyMeter (LONG SCALE METER)Model: CP-96,CP-72Class:1.0Voltage ... 66HZ,450-550HZ,550-650HZ. PowerFactor Meter(LONG SCALE METER)Used in 1P&3P circuitsModel: CP-96 ... current 5A or 1A is standard. PowerMeter(LONG SCALE METER)Wattmeters or Varmeters with build-in coverterfor 1 ...