3 Phase LCD Power Energy Meter

Multi-functional 3 phase Power Energy Meter and Power Monitor for current, voltage, power, power factor, KWH, frequency…in 3-phase system.

RS485 communication, standard MODBUS RTU protocol, max speed 38400bps.



CHD9001 is a simple & reliable power energy monitor which is widely used in electric power systems, low-voltage distribution, environment monitor, etc.. It has powerful functions as below:

Supports a wide range of phases and wire systems

Real-time data measurement of U, I, f, P, Q, S, PF…

Real-time KWH/Kvarh, Multi-rate KWH/Kvarh, max 8 rates within 24 hours

RS485 Modbus interface

Built-in Date and Clock 


Main Features

  • LCD 3 Phase Power Energy Meter
  • Dimension: 96×96×55.5 mm
  • Power supply: 85~265V AC  Consumption: <5VA
  • Rated voltage: 220V/380V/PT
  • Rated current: 1A/5A CT
  • Power supply: 85~265V AC 45~65Hz 
  • Ambient environment: -10~55℃  5%-95%RH  no condensing
  • Accuracy: 0.2 for current/voltage  1 for reactive KWH
  • RS485 communication interface, standard MODBUS protocol
  • Max 2 digital inputs
  • Utility, industrial and commercial metering
  • Substation, building and factory automation

More powerful and flexible product

4 buttons operation, user-friendly
CT/PT input, Real-time KWH, Multi-rate KWH reading


Power Supply:

85~265V AC    45~65HZ

Consumption: <5VA

Rated voltage: 220V / 380V / PT

Rated current: 1A / 5A / CT

Overload: voltage: 1.2 times(sustained); current: 1.2 times(sustained), 10 times/1second

3 phase 3 wire type

3 phase 4 wire type 

No-contact switch input, 2 no.s

Relay alarm output, 2 no.s 

3 phase line voltage, 3 phase phase voltage, 3 phase current

Total power & 3 phase power, total reactive power & 3 phase reactive power

Total apparent power & 3 phase apparent power

Total power factor & 3 phase power factor


Total KWH

Total reactive KWH

3 phase input/output KWH

3 phase input/output reactive KWH

Multi-rate KWH


RS485 communication interface

standard MODBUS RTU protocol

5 baud rate: 2400, 4800, 9600(factory default), 19200, 38400 bps

Body: 96x96x55.5mm

Cutout size: 90x90mm

Mounting Method: Flush-mounting and screw terminals

IP grade: IP52 for the panel, IP30 for the backside

Warranty: 12 months

For support, please visit support center or email us at

1 x CHD9001 3 phase AC power energy meter

​​​4 x Mounting brackets

​1 x Manual