... . DW series True Value Display (RMS) Power Meter,Energy Meter Features: 1) True effective measure: voltage, current, active power, reactive power, power factor, frequency, Kwh, etc. Total ... Adjustor,thermocouple (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, Solid State ...