EARU Three Phase Digital Bidirectional Power Consumption kWh Electricity Energy Meter Monitor with RS485 LCD Backlight Display

EA771

Model Number:EA771

Materiel: Metal + ABS

Reference Voltage: 3 X 127/220(V),3 X 220/380(V), 3 X 230/400(V)

Reference Current: 3 X 10(100A)

Accuracy Level: 1.0

Rated Frequency: 50/60 Hz

Constant Pulse: 400imp / kWh

Display: LCD 6 +1(999999,9kWh)

Power Consumption: ≤2W, 10VA

Starting Current: 0.004Ib

Operating Temperature: -20 ~ 55°

Storage Temperature: -25 ~ 70°

Operating Voltage: 0.9-1.1 Rated Voltage

Utmost Voltage: 0.7-1.2 Rated Voltage

Average Humidity Value of Year: ≤75%

Type: Three Phase Four Wire Electronic Type

Degree of Protection:IP20

Dimensions:100mm*76*65mm

EA777

Product introduction

  The three-phase multifunctional electric energy meter is a new three-phase electronic electric energy meter newly developed by our company

  Energy meter, which adopts microelectronic technology and imported special large-scale integrated circuit, and applies digital acquisition

  With advanced technologies such as sample processing technology and SMT process, the performance of the meter fully meets the national standards

  GB/T117215.321-2008 (IEC 62053-21:2003,IDT) and GB/T

  Class 1 or 0.55 in 17215.322-2008 (IEC 62053-22:2003,IDT)

  According to the relevant technical requirements of electric energy meter, it can directly and accurately measure the AC voltage with rated frequency of 50/ 60Hz

  Current active electric energy, total active / reactive electric energy and input / output active / reactive electric energy are displayed by LCD

  Energy, three-phase voltage, current, total / phase active power, total / phase power factor, frequency, etc

  The utility model has the advantages of good reliability, small volume, light weight, beautiful appearance, flexible and convenient installation, etc

  Point.

Functions and features

35 mm DIN standard rail mounting in accordance with DIN en-50022

High accuracy measurement of active electric energy, active electric energy level 1 and reactive electric energy level 2

Or active electric energy level 0.5 and reactive electric energy level 2

LCD 6 +1-bit display (999999.9kwh)

Passive pulse output, conforming to din43864 standard

LED indication pulse output

Quick query of various parameters

One RS485communication interface, supporting Modbus communication protocol or DL/ 645-2007

Communication protocol (optional)

It has the functions of reactive energy measurement and displaying current, voltage and power factors