DJZY102-2 Rack Mount DC Electrical Energy Monitor

DJZY102-2 Rack Mount DC Electrical Energy Monitor
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General introduction:
DJZY102-2 rack mount DC electrical energy monitor integrates measurement, electric energy metering, teleindication and telecontrol, LCD display and network communication, which can measure DC voltage and current, power and other parameters of the grid, as well as positive and negative DC electric energy. The monitor is equipped with RS-485 communication interface supporting MODBUS-RTU and DL/T645-2007 dual communication protocol. With switch input and output function, the monitor can realize analog transmission output as well.

Our monitor complies with the following criteria:
1. Q/OKRW 016-2014 electronic DC energy meter.
2. ZB Y318—85 technical specifications of electronic DC watt-hour meter.
3. JJG842—1993 verification conditions of DC electric energy meter.
4. DL/T645-2007 communication protocol of multifunctional electric energy meter.
5. MODBUS-RTU communication protocol.

Technical specifications
Items Technical index
Wiring form Single phase
Measurement Voltage Reference voltage Un:48V, 100V,220V, 400V, 600V, 1000V Measurement range: 0.1 Un ~1.15 Un
Accuracy: RMS 0.2 %
Resolution: 0.01V
Current DC shunt input current(optional)
DC shunt output voltage: 75mV
Measurement range: 0.004In~1.2 In
Accuracy: RMS 0.2 %
Resolution: 0.001A
Power Accuracy: 0.5%
Resolution: 0.001kW
Metering Electric energy Metering accuracy class: class1 
Resolution: 0.01 kWh
digital signal electricity pulse output 1 channel electricity pulse output
optocoupler isolation, 4000VRMS
Switch output
(optional)
2 channesl electromagnetic relay output
normally open
Contact rating: AC 250V /3A; DC 30V /3A
Switch input
(optional)
2 channel dry contact input
optocoupler isolation, 4000VRMS
analog signal Transmission (analog) output
(optional)
4 channel transmission output
current output type (4~20Ma or 0~20Ma or 0~24mA)
voltage output type (0~5Vor 0~10V)
accuracy: 0.5%
Communication RS-485 communication port
(optional)
Interface type: two-line half duplex
communication rate: 600bps~9600bps
Protocol: Modbus-RTU and DL/T-645-2007
Environment Working temperature -25℃~+60℃
Limit working temperature -35℃~+70℃
Relative humidity ≤95%(RH)
Others Power supply AC or DC power supply
maximum input range: 80V~265V
Power consumption: ≤1W, 2VA
size Outline size(mm): 96×48×113 
Hole size(mm): 92×45
Weight About 450g

Main features
1.The monitor adopts high-precision sampling and measuring unit as well as high-speed MCU data processing unit, which can realize high precision, wide range and accurate measurement as well as fast data analysis.
2. Wide viewing angle LCD display is adopted to show richer contents.
3. Equipped with white backlight, the LCD display can meet the requirement of consulting data in dark environment.
4. nonvolatile memory is used to store all kinds of data, which can save data for a long time without losing data due to power failure.
5. Support RS-485 communication port and industrial standard communication protocol, convenient to construct network.
6. Different communication modules are optional to satisfy different interface requirements of various users.

WILLFAR as a faithful rack mount DC electrical energy monitor manufacturer, mainly manufacture meter data management instrument, like electrical power data logger, data concentrator, data collector, and energy efficiency management instrument like power monitor. To serve daily life much better, WILLFAR company also provides custom electrical energy efficiency management solutions as well as smart metering system in customer needs.

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