SDM010 3 Phase Modular Voltage Volt Meter AC 80-500V Din Rail Mount Digital Voltmeter DisplaySpecification:Function: measure the three-phase AC voltage and display the voltage value of each phase by digital tube-shaped Type: SDM010 three-phase voltmeter Terminal: 3L+3N Measuring Voltage Range: AC 80V-500VDmeasuring Accuracy: 1%Measuring Speed: gt; 200MS/timeProtection class: IP 20Electrical life: ge; 15000 hoursWorking condition: temperature (daily average) le; 35 °C) -5 °C - +40 °C Storage Temperature: -25 °C - +70 °C Relative Air Humidity: 1-80% (non-condensing) Working Pressure: 80-160Kpa Mounting: DIN Rail (18mm/0.71in) Shell Material: ABS Product Size: 81x66x1 8mm/3.19x2.6x0.71inNote:Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Please allow 1-2cm measurement deviation due to manual measurement.1 * Voltmeter