smart electricity meter

The ACUVIM390 smart meter is capable of high-precision measurement of all commonly used electrical parameters in a three-phase power grid system, including three-phase voltage, three-phase current, active power, reactive power, power factor, grid frequency, and so on It is equipped with both active and reactive power, as well as communication interfaces and power pulse output functions. Use MODBUS-RTU communication protocol to achieve on-site display and remote RS-485 digital communication. It has the characteristics of easy installation, simple wiring, convenient maintenance, small engineering quantity, programmable input parameters on site, and can complete network communication with different PLCs and industrial control computers in the industry. 1、 Measurement parameters of power instruments: 1. Measurement: three-phase voltage, current, active power, reactive power, power factor, frequency, active energy, reactive energy Measurement: forward and reverse active energy, inductive capacitive reactive energy Transmission output, switch quantity, switch quantity output, upper and lower limit alarm function. 7. Purpose: Suitable for complete monitoring and management of electrical parameters in various incoming and large capacity distribution circuits. 2. Overview of power instrument functions. The 800 type multifunctional power monitoring instrument is designed based on the technology of similar imported products at home and abroad, according to China's requirements for the operation of power equipment and computer intelligent monitoring. The product integrates ammeter, voltmeter, power meter, power factor meter, and electricity meter as a comprehensive power monitoring instrument. The RS485 communication interface links the instrument to the computer network of the monitoring center, making it suitable for industrial and mining enterprises, civil buildings, building automation, and other power supply and distribution systems in China. Develop high-performance automation instruments. The comprehensive set of power parameters for Pmac in 50/60Hz power supply system; Measure and display three-phase voltage and three-phase current Active power and reactive power, power factor, frequency, active energy (cumulative) and reactive energy (cumulative) The numerical weight of electric energy is used for internal secondary measurement assessment and accounting purposes within the enterprise, and is not used for pricing measurement, but for paid use 3、 Main technical specifications of ACUVIM390 smart meter: 1. Wiring method: 3p3w (three-phase three wire) or 3p4w three-phase four wire) 2. Signal input: (1) Current: Rated input current AC: 1A 5 (2) Voltage: Rated input voltage AC: 100V 22V 380V (3) Allowable over range: Instantaneous: Current 10/5 seconds, Voltage 2/1 second; Continuous 1.2x 3, serial communication: RS485 serial interface, Modbus protocol, RTU format, communication baud rate 48009600 optional 4. Power measurement range and accuracy (1) Current: 0~5A 0.5% (2) Voltage: 0~450v 0.5% (3) Active power: 0~9999.99999kw 0.5% (4) Reactive power: 0~9999.99999mvar 0.5% (5) Power factor: 0~1.000 0.5% (6) Frequency: 45~60hz+-0.1hz (7) Active energy (accumulated and displayed in kWh): 0~9999.99kwh 1.% (8) Reactive energy (accumulated and displayed in kWh): 0~9999.99kvar 1.0% 5. Insulation strength: IEC60255-52kvrms 1 minute 6. Environmental endurance: Working at IEC 60068-1 and 20 ℃~+55 ℃ () Storage at IEC 60068-1 and 2-25 ℃~70 ℃ () Damp heat IEC 60068-1-3 93% RH 40 ℃ 7. Applicable occasions: No corrosive gases or metal dust, altitude<3000 m　　8、 Working power supply and power consumption: AC (85~265) v or (100~275) v 8va