... Meter Design service Input:3 phase true value for 32 parameter measuring Applicate in power system,building automation DW series 3 ... -phase True Effective Value Energy Meter(RMS)DW/MDW 3-line LED display 1) ... TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer ...