... DW series Single phase Electric Meter(vol/ampere/power/frequency/power factor) Features: 1) Input: 0-5A/0 ... electrical parameters,such as voltage/ampere/power/power factor/frequency/electrical degree/reactive power/power frequency.2) Accuracy:0.2%,voltage ... , including Temperature Controller, Digital Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, ...