Feature: 1. Universal multi-function monitor high performance, accuracy power factor monitor, real-time measurement, harmonic measurement, positive and negative active/reactive energy measurement, time-sharing counting, timing mark, power quality analysis. 2. Features such as AVE display, event recording, and demand, with rich input and output port to monitor field device conditions. 3. Integrated RS-485 communication port, integrated with various intelligent power distribution systems and power management systems to share rich data. NITOR data and power quality data. 4. Multi-functional, most competitive, can directly replace the general power transmission, metering, energy metering and related auxiliary devices, with a wide range of applications, such as energy management systems, power monitoring systems, industrial and mining enterprises, public places, intelligent buildings and distribution board, etc. 5. High stability and low failure rate,the mean time between failures is more than 50000h. Specification: Item Type:Electric Energy Meter Specifications: AC 450V 5A Overload: Current: Continuously 1.2 times / s, Instantaneously 10 times / s. Voltage:Continuously 1.2 times / s, Instantaneously 2 times / s. Frequency: 45-65Hz Accuracy Level: 0.5 Display: LED Display, Range from -1999 To 1999 Power Supply Voltage: AC220V Communication: RS485 Power Consumption: