Single Phase Electricity Meters

Single Phase Electricity Meters

Single Phase AMI Smart Energy Meter DDSD285 single phase AMMmeter with advanced security features, modular communication and optional isconnect functionality, ready for smart Grid. Easy installation and system set-up, reliable operation and various communication (PLC/GPRS/Zigbee) choice and...

Product Details

Single Phase AMI Smart Energy Meter


DDSD285 single phase AMMmeter with advanced security features, modular communication and optional  isconnect functionality, ready for smart Grid. Easy installation and system set-up, reliable operation and various communication (PLC/GPRS/Zigbee) choice and carefree maintenance create the perfect solution for AMM system.


Item 

Parameter 

Accuracy (kWh) 

Class B (EN 50470-3)  or  Class 1 (IEC 62053-21) 

Accuracy  (kvarh) 

Class 2 (IEC 62053-23) 

Basic current Ib 

10A 

Maximum current Imax 

100A(Direct connection) 

Minimum current 

0.05Ib 

Starting current 

0.004Ib(Direct connection) 

Rated voltage Un 

230 V 

Operating voltage range  

85~480V (Wide voltage range) 

Operating frequency 

50Hz 

Communication interface 

1 circuit optical interface;      

1 circuit Connect to external GPRS module;      

1circuit M-bus wired module built-in (optional) ;      

1circuit RJ11 wired module built-in(optional) ;

Communication Protocol

Optical: IEC62056-21 E mode     

GPRS: DLMS/COSEM     

M-Bus: En13757-3    

RJ11: IEC62056-21 D mode

optical interface 

IEC/EN standards 

Relay 

1 Main contactor (100A);  

RTC 

≤0.5s/day(Normal temperature) 

RTC support 

10 years battery operation life      

Operating for at least 2 years in case of any power failure 

Backup battery 

Battery can be replaced      

Ultra capacitor can maintain RTC for at least 5 minutes 

Pulse constant 

1000 

Power consumption 

Current circuit power sumption≦1VA     

Voltage circuit power sumption≦2W/10VA 

Compression strength 

4kV, 50Hz, 1 minute 

Anti-surge      

Voltage      

Current 

6kV, 1.2/50μs 
5kA, 8/20μs 

Immunity to short-circuit current 

30Imax 

Immunity to electrical fast 
     Transients/bursts (EFTB) 

4 kV (IEC 61000-4-4) 

Anti-magnetic 

anti-strong magnetic, magnetic detection and display 

Operating temperature range 

-25°C ~ +70°C 

Storage temperature 

-40°C ~ +85°C 


1. Measurement

Import/Export active energy 
 Instantaneous value measurement
 --(current/voltage/Active power/Power Factor/Apparent power of each phase)
  

2. Tampering&Event

Meter Cover open detection and record
 Meter terminal open detection and record
 Current reverse detection
 Large magnetic effects
 Over voltage/Overload
  

3. Load profile&Max Demand&Billing

Support load profile, interval can be setting.
 kWh maximum demand and time stamp;
 12-Month Billing Data(optional)


4. Communication 

Local: Optical interface/1 RS485;
 Remote: GPRS/PLC/RF wireless communication.
 Protocol compatible to (Local)IEC62056-21 and (Remote)DLMS HDLC or IEC62056-21;
  

5. AMI Function

Meter Data Management System;
 Real-time event monitor;
 On-time Data Report;
 Remote relay control. 


Company information:

As a professional manufacturer, LAISON designs and produces power meter digital which are cost-efficient and ideal for the use in solutions for AMR/AMI at residential as well as industrial applications.


FAQ

Q:How long will you give me the reply?
A: we will contact you in 12 hours as soon as we can.
Q:Could I get samples?
A:Yes,we have materials in stock to help you to get the samples as soon as we can. 

Q:How is the price?
A:As we believe the quality is the most important,we will provide the best water meter ,gas meter ,energy meter and meter test equipment we can with reasonable price.
Q:Could you provide me the shortest lead time?
A:We have materials in our stock,if you really need,you can tell us and we will try our best to satisfy you.

 


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