Describe Multifunctional power meter is a kind of programmable measurement, display, digital communication Multifunctional power meters with functions such as communication and power pulse transmission and output can complete power measurement, power measurement, data display, collection and transmission, and can be widely used in substation automation, power distribution automation intelligent buildings, and internal power measurement, management, and management of enterprises. Assessment. The measurement accuracy is 0.5, realizing LED field display and remote RS-485 digital communication interface, using MODBUS-RTU communication protocol Specification Wiring: Three-phase four-wire Y34/three-phase three-wire V33 signal input Voltage Range: 400V/100V Overload: continuous: 1.2 times, instantaneous: 2 times Power consumption: <1VA Current Range: 5A/1A Overload: continuous: 1.2 times, instantaneous: 2 times Power consumption: <1VA Frequency: 40~65Hz Power supply: AC220V or AC/DC80-270V Electric energy pulse: passive optocoupler collector output, fixed pulse width 80mS20% Communication: RS485 communication interface, physical compartment. Comply with the international standard MODBUS-RTU protocol. The communication speed is 1200~9600. Validity method N81, E81, O81 Analog output: 0/4~20mA or 0~5/30VDC transmission output, programmable setting transmission items and corresponding values Relay output: programmable remote control/alarm relay output. Capacity 5A/250VAC, 5A/250VDC. Programmable alarm power, switch input, analog input or remote control mode Telemetry switch: telemetry switch input measurement, passive dry contact input, programmable associated alarm output Measurement level: power (0.5), frequency (0.1Hz), active energy (0.5S), reactive energy (1), analog input (0.5) Display mode: LCD Working temperature: -10~50 Storage temperature: -20~75 Package Included 1 Multi-function meter