DCM3366Q Electronic Solar DC Energy Meter

DCM3366Q Electronic Solar DC Energy Meter is a new type product of our company which adopts LCD display and RS485 communication with the Microcomputer. 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.


The meter which consists of measuring unit, data processing unit, communication unit, display unit etc. has the energy measurement, data processing, real-time monitoring, LCD display function. Meanwhile, it has the characteristics of high power over load, high accuracy, low power consumption, data saving when power off, long life, etc.



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  • High precision measurement
  • Small size, easy installation
  • High security: high isolation voltage
  • Cumulative energy of the last 12 months
  • Recently 10 times programming records
  • Recently 10 times of timing records
  • LCD screen display intuitive, easy to operate
  • Powerful data acquisition and processing functions
  • A variety of anti-interference measures, high security
  • Measuring forward/reverse power energy, forward=forward+ reverse


  • DC Measurement
  • Transportation
  • Industrial Applications
  • Equipment Monitoring
  • Genset, Solar and UPS
  • Telecommunication & Data centers
  • DC Energy Management Systems
  • Used in the control panel to measure different electrical loads
  • Renewable energy systems such as solar photovoltaic (PV) arrays, wind turbines, & electric vehicle (EV)



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