ITEM NAME:200-450V Multifunctional Ampere meter Digital DIN Rail Current Ampere meter A8U7 200-450V Multifunctional Ampere meter Digital DIN Rail Current Ampere meter A8U7 At the same time show the voltage, current and power of LED digital tube. DIN rail mounting and easy measurement, just plug in the power, and run the wire through the hole. Compatible with all electrical appliances at home, allowing you to monitor their electrical status in real-time. Easy to install on a DIN rail. High accuracy, easy to use. Wide voltage and current measuring range. Help remind you to turn off the high power devices, prevents safety problems and saves electricity. Made of high quality ABS material, it is safe, reliable and durable. Technical specifications: Material: ABS Accuracy: 1%, +/- 2 words Displayer: AC voltage and current with 4-digial 0.31 inch LED; Power, reactive power and power factor with 5-digit 0.31 inch LED- Measuring range: alternating voltage 200-450V; Alternating current 0-100.0A; Power Supply: AC Voltage 80.0-300.0V: 0-30000W; Reactive power: 80.0-300.0V: 0-30000VA; Power factor: 1,000 to 0.000 Measuring speed: approx. 2 times per second Installation width: = 3P (DZ47 / C45, climate control switch) Installation: DIN rail (market universal DIN rails, not included) Product size: 8 x 5.4 x 6.4 cm / 3.1 x 2.1 x 2.5 inch Product weight: 118.3g / 4.2oz Package List: 1 x Ampere meter Voltmeter Power Meter 1 x User Manual (English) Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm..Installation: DIN rail (market universal DIN rails, not included). Easy to install on a DIN rail. 1 x User Manual (English). High accuracy, easy to use.