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Multi Funtion Monitoring Energy Meter Single Phase With LoRaWAN Communication

Categories Lorawan Energy Meter
Brand Name: Radarking
Model Number: DDS155
Certification: IEC62053-21; IEC62052-11; IEC62053-23;
Place of Origin: Made In China
MOQ: 100
Price: Negotiate
Payment Terms: Western Union, T/T, L/C, MoneyGram
Supply Ability: 5000000 pcs per year
Delivery Time: 35days
Packaging Details: Standard Package
Accuracy: 5(60)A
Frequency: 50Hz/60Hz
Pulse constant: 1200imp/kWh
Starting current: ≤0.004 Ib
Overall dimensions: 154mm×110mm×60mm
Weight: 0.5kg
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Multi Funtion Monitoring Energy Meter Single Phase With LoRaWAN Communication

Multi Funtion Monitoring Energy Meter Single Phase With LoRaWAN Communication

Product Overview:
DDS155 series BR (LoRaWAN) single phase electric meter is a kind of fully digitized energy meter which adopts the SOC high-density V9821S chip. Besides measure active energy, it also has function for online power display, smart anti-tamper, overload control, remote meter reading and etc. It sends data to corresponding gateway through LoRaWAN wireless network. It has advantages in high accuracy, low power consumption, and good stability that can be widely used for the single phase alternating current in city, rural areas or factory enterprises, etc.

Product Parameters:

Technical Data :

Function module:
Communication interface: LoRaWAN communication mode, RS485 protocol
Enviroments :
Normal working temperature: -25℃~ +55℃
Limited working temperature: -45℃~ +70℃
Relative humidity: ≦85%

Basic information:

Overall Power Consumption: <1.0W
Starting current: ≤0.004 Ib
Overall dimensions: 154mm×110mm×60mm
Weight: 0.5kg
Operating life: >10 years

Product Functions:
1. High Precision measurement of voltage , current , active power , reactive power , apparent meter , power factor , frequency
2. Provide the digital tube display , local data query
3. Support LoRaWAN RS485 communication.

Composition theory:
The voltage/current sampling circuit samples the voltage of the power grid and the current flowing through the electric meter, sampled voltage and current signals are multiplied to obtain a power value, and then integrated according to time to obtain electric energy. Smart energy meter measure the energy through output CF pulse counting, after electric meter corrects the error, only the CF pulse is counted to obtain the electric energy which is saved by the storage. The microprocessor simultaneously performs the functions of displaying and exchanging information with external device. Its principle block diagram is shown in Figure 1.

Operation, debug and installation
1) No need for extra operation and debug after leaving factory, can be in normal use since finished installation by professional person.

2)Before installation, please check manufacture’s seal is in good condition.
3)Meter should be installed indoor or on the fire-proof wall outdoor, the height is about 1.8m, no corrosive gas in the air.

4)Meter should follow the connection diagram, using copper wire or copper terminal clamp for input.

5)Main terminal connection

6) Main and auxiliary terminal connection
Main terminal connection follows Figure 2, 1 as L In, 2 as L Out, 3 as N In, 4 as N Out. There are 4 auxiliary terminals on the top of main terminal, in which 7 & 8 as measure pulse output.v

LoRaWAN communication interface:
Using LoRaWAN communication for meter reading and parameter setting. When meter reading, remote meter data transmission software provided by our company can be used for meter reading and parameter setting. It is also possible to design a software and hardware system that fully complies with the protocol requirements for meter reading and parameter setting according to the power industry standard DL/T 645-2007 (supporting part of the communication protocol).

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