The Selec MV 205 Digital Panel Meters - Digital Voltmeter wide range which can Indicate Voltage in operation of equipment, machinery, systems or processes in a wide range of industrial applications. It consists of 3/4 Digit, 7 segment LED display. Comprises of Input type: 1ø-2 wire with 0.001 resolution. Supply Voltage: 240V  Features 3 digit, 7 segment LED display True RMS measurement For 1 phase 2 wire electrical network