... factor,reactive power,etc. 2011--Industrial Energy Meter, digital Watt Meter(Wattmeter) Features: Power Supply80-260V AC/DC ... 1/3 phase volt,amp,power,power factor,frequency,KWH,reactive powerAppearance48H*96W*100Lmm, 12/3 line 4 ... (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay, ...