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.
Class B (EN 50470-3) or Class 1 (IEC 62053-21)
Class 2 (IEC 62053-23)
Basic current Ib
Maximum current Imax
Rated voltage Un
Operating voltage range
85~480V (Wide voltage range)
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) ；
Optical: IEC62056-21 E mode
RJ11: IEC62056-21 D mode
1 Main contactor (100A);
10 years battery operation life
Operating for at least 2 years in case of any power failure
Battery can be replaced
Ultra capacitor can maintain RTC for at least 5 minutes
Current circuit power sumption≦1VA
Voltage circuit power sumption≦2W/10VA
4kV, 50Hz, 1 minute
Immunity to short-circuit current
Immunity to electrical fast
4 kV (IEC 61000-4-4)
anti-strong magnetic, magnetic detection and display
Operating temperature range
-25°C ~ +70°C
-40°C ~ +85°C
Import/Export active energy
Instantaneous value measurement
--(current/voltage/Active power/Power Factor/Apparent power of each phase)
Meter Cover open detection and record
Meter terminal open detection and record
Current reverse detection
Large magnetic effects
3. Load profile&Max Demand&Billing
Support load profile, interval can be setting.
kWh maximum demand and time stamp;
12-Month Billing Data(optional)
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.
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.
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.