LED Digital Energy Meter DEM8900

LED Digital Energy Meter DEM8900 from Shenzhen Huayansheng Electron Co.,Ltd

By: Shenzhen Huayansheng Electron Co.,Ltd  18-06-2012
Keywords: Power meter, Energy Meter, Power Analyzer

Digital energy meter measure such as I,kWh,kvarh ect.
LED Display
Mini Dimension
Easy Install
3 year quality warranty

Digital Energy Meter  
DEM8900-1/DEM8900-2/DEM8900-3 (short form for DEM8900)is designed by adopting the updated microprocessor and digital signal processing technology, which can be applied for monitoring the electrical system. DEM8900 can measure and analyze the real time electrical parameters, such as I,kWh,kvarh., Meanwhile, DEM8900 has functions of  multi-tariff, RS485 communication ( MODBUS protocol), analog output, remote input and electrical pulse output.

EMC and Safety standard
IEC61000-4-2 (GB/T17626.2)
IEC61000-4-8 (GB/T17626.8)
IEC61000-4-4 (GB/T17626.4)
IEC61010-1 (GB/T4793.1)

Measured scope
The meter can be applied in secondary measure in high and low voltage electrical system.The measured data can be communication transmitted.It can achieve the function of meansureing and anylzing parameters for single phase, 3-Ph 3wire and 3-Ph 4Wire system (include unbalance load).   

Technical Specification
Current Input
Current Input: 5A (Current value can be set up)
Measurement scope: 0.5%~120% In
Overload capacity: 2 X rated continuously, 100A/1s non continuously
Power consumption: ≤ 0.2 VA per phase
Voltage Input
Voltage Input: 400VAC(phase voltage),693VAC(wire voltage) (Voltage value can be set up)
System frequency : 45~65Hz
Measurement Scope: 3%~120% Un
Overload capacity: 2 X rated continuously, 2500V/1s non continuously
Power consumption: ≤ 0.5VA per phase

Remote Input (optional)
Input channel: 1channel
Input mode: Dry contact 
Isolated Voltage 2500VAC

Analog Output (optional)
Output channel 1 channel programmable
Output signal 4~20mA or 0~5V (optional)
Response time: ≤400ms 
Isolated Voltage: 2000VAC
Pulse Output 
Output channel 2 channel(active/reactive energy each without power)

Serial Communication Interface(optional)
Channels of output 1 channel RS-485 interface
Communication protocol Modbus-RTU protocol
Baud rate 2400, 4800, 9600, 19200, 38400 bps

Multi-tariff function(optional)
Interval number 2 -12 (The ending interval can cross 0:00)
Interval longth a multiply of 30 minutes
Multi-tariff rate type sharp,peak,flat,valley Other parameters  
Auxiliary power 85~265VAC/DC (30VDC is optional; 2 is “+' terminal and 1 is “-' terminal when use DC power)  
Display type: LED display    
Temp. drifting factor: <100PPM/°C 
Withstand voltage (Input against output): 2500V/1 min 
Total power consumption: <6VA
Operation temperature: -20°C~60°C
Storage temperature:  -40°C~85°C
Operation humidity:  5~95%RH
Pollution class:  Class 2
Material of housing: Flammability acc. to UL94V0
Protection class: IP 30  
Dimensional size: 96 mm × 96 mm × 78mm  
Installation size: 91 x 91mm

Keywords: Energy Meter, Panel Meter, Power Analyzer, Power meter

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