DCM3366Q Electronic Solar DC Energy Meter

DCM3366Q Electronic Solar DC Energy Meter adopts LCD and RS485 communication with the Microcomputer. This Solar DC Energy Meter consists of a measuring unit, data processing unit, communication unit, display unit, etc.

It is with energy measurement, data processing, real-time monitoring, LCD, high power overload, high accuracy, low power consumption, data saving when power off, long life, etc.



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  • Extremely accurate measurement
  • Compact design, simple installation
  • Elevated security: elevated isolation voltage
  • Total energy during the previous 12 months
  • Ten times programming records have recently been recorded.
  • Ten times as many timed records as recently
  • LCD screen display: simple to use and intuitive
  • Robust features for data processing and acquisition
  • Several anti-interference techniques, elevated security
  • Forward=forward+reverse when measuring forward/reverse power energy


It is suitable to be used for batteries, solar panels power DC signal measurement and energy metering equipment. It also can be used for industrial and mining enterprises, civil construction building automation and other modern DC system for distribution.


Power Consumption
voltage line ≤1w
current line ≤0.5w
power supply line ≤2w
Communication port
Communication baud rate RS485:1200/2400/4800/9600/19200bps optional,The default baud is 9600
Data format O/E/N-8-1,The default baud is E-8-1
Communication protocol DL/T645-2007 Communication protoco1, Modbus-RTU
The basic error
Load current (l) variation range Error limit
Class 0.5 Class 1
0.011n<I<0.05In ±1.0%
0.02In<I<0.05In ±1.5%
0.05In<I<Imax ±0.5% ±1.5%
Voltage(U)variation range Error limit
Class 0.5 Class 1
0.1Un<U<0.4Un ±1.0% ±1.5%
0.4Un<U<1.3Un ±0.5% ±1.0%
Working environment -25℃~60℃
Storage and transport limit temperature -40℃~70℃
Relative humidity <75%( annual average)
Insulation strength 2.0KV/min voltage / Power / enclosure: 2.0KV/min,

Communication/power supply: 2.0kV/min

VESD 8kvContact discharge 8kv

15kVAir discharge 15kV

Fast pulse group immunity 2kV
Surge immunity 2kV/4kV

Wiring method

Wiring of solar DC energy meter


dimension of solar DC Energy Meter