... line LED display DW series digital 3-phase multifunction Power MeterDW/MDW 3 line 4 digits LED ... line protection; Current: isolated analoge output 4-20mA for any signal input,measuring range settable.4) Measuring accuracy ... (TC and RTD), Panel Meter, Sensor Meter, inductor, Power Meter, Coulometer, Voltage Meter, Ampere Meter, Counter, Tacho Meter, Frequency Meter, flowmeter,Timer,Timer Relay ...