... ,75 mv,1-600VReach IEC-51 and National GB7676-98FrequencyMeter (LONG SCALE METER)Model: CP-96,CP-72Class:1.0Voltage:50V,100V ... -63HZ,44-56HZ,54-66HZ,450-550HZ,550-650HZ. PowerFactor Meter(LONG SCALE METER)Used in 1P&3P circuitsModel: CP-96,CP-72Class ... 5A or 1A is standard. PowerMeter(LONG SCALE METER)Wattmeters or Varmeters with build-in coverterfor 1 phase, 3P3W,3P4W circuits.Model: CP ...