3 phase multifunction power meter


3 Phase Multifunction Power Meter

Intelligent type low-voltage power distribution meter

Monitor energy consumption, schedule time-of-use billing & power quality checks(Harmonic).

Standard RS485 communication, 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…
  • Bi-directional electrical energy measurement, Real-time KWH/Kvarh & Multi-rate KWH/Kvarh
  • Power quality analysis (  include Voltage deviation & Harmonic & THD)
  • RS485 Modbus interface
  • Clock & 50 SOEs
  • DI & DO & AO

Main Features

  • LCD 3 Phase Multifunction Power 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
  • Display of harmonics by order to 31st
  • RS485 communication interface, standard MODBUS protocol
  • Easy and quick to install
  • Utility, industrial and commercial metering
  • Substation, building and factory automation

Power Distribution Metering

Power Quality & Energy measurement

Cost Management


Model CHD9001 3 Phase LCD Power Energy Meter
Power supply default 85~265V AC/80~300VDC
E 18~48V DC
Expand function H Harmonic function
T SOE function
Function module default Display function + RS485
A Display function + RS485 +2 none-contact inputs
B Display function + RS485 +2 none-contact inputs + 2 relay outputs
C Display function + RS485 +4-20mA output
Measure range V1 3×220/380V 5A
V2 3×220/380V 1A

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

Electrical parameters reading Code Energy reading Code
3 phase line voltage UFab, UFbc, UFca Total active energy TOT(KWH)
3 phase phase voltage Ua, Ub, Uc Total reactive energy TOT(KVarH)
3 phase current Ia, Ib, Ic 3 phase input & export energy IMP/EXP(KWH)
Total power & 3 phase power Pa, Pb, Pc, Psum 3 phase input & export reactive energy IMP/EXP(KVarH)
total reactive power & 3 phase reactive power Qa, Qb, Qc, Qsum Multi rate energy F1, F2, F3, F4(KWH)
Total apparent power & 3 phase apparent power Sa, Sb, Sc, Ssum Multi rage reactive energy F1, F2, F3, F4(KVarH)
Total power factor & 3 phase power factor PFa, PFb, PFc, PF Date DATE
Frequency F Time TIME

Voltage deviation

Rotal harmonic distortion(THD)

Coltage/Current harmonic percentages

50 no.s of SOEs

DI action

DO action

RS485 communication interface

standard MODBUS RTU protocol

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

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 sale@aposunmeter.com

1 x CHD9001 3 phase multifunction power meter

4 x Mounting brackets

1 x Manual