Prepaid Three Phase Smart Electric Meter for AMR System with DLMS/COSEM Protocol
Key Benefits
1) One device cater to various demand for smart metering
2) Cost saving and scalable setup
3) Time of Use multi-rate for flexible contractual control
4) Easy to install and low inventory
5) Fraud detection
6) Flexible setting for power limit, tariff, repayment policy
General
1) Programmable under and over voltage trip
2) Enhanced tamper detection
3) Reverse energy measurement
4) Large-capacity magnetic latching relay control, measure energy in security mode
5) Tamper shutdown protection
6) Load control, over-load switching automatically
7) IP 54 rated
Details:
● Energy Measurement
Total and time-sharing forward active & reactiveenergy measurement
Total and time-sharing reverse active & reactive energymeasurement
Total forward & reverse apparent energy measurement
Save last one to sixteen months energy data
● Max. Demand Measurement
Measure total and time-sharing forward active &reactive maximum demand and time of occurred
Measure total and time-sharing reverse active &reactive maximum demand and time of occurred
Measure total forward & reverse apparent maximumdemand and time of occurred
● Real Time Measurement
Real-time measurement of the phase voltage, current,total active power,
reactive power, apparent power, total power factor, powergrid frequency
● TOU
4tariffs, 100holidays, 14season‐tables, 8time zone‐tables, each table onmaximum 14 time zones
● Event Log
The last 10 records of following events:Power-down,Programing, Cover opening, Terminal cover opening, Reverse power,
PhaseFail.the records include data and time
● Loadprofile
At least 4 loadprofile channels,Recordat least 490days data when time interval is 30 minutes
● Optical port interface
Support IEC62056-21protocol, 1200bps for communication
● RS-485 serial interface
SupportIEC62056(DLMS/COSEM) protocol, 2400bps for communication
● LCD display
Number of digits value field Up to 8
Digit size 6x14.5mm
● Inputs and outputs
Optical test outputs active energy and reactive energy
● Communication modules(optional)
GPRS module:EGSM900/DCS1800 dual-band,support GSM/GPRSphase2/2+ protocol
PLC module: according to Technology Standards of SSC163X ,centerfrequency 270K, FSK modulate technolgy
Main Parameter:
| Item | Specification |
| Reference Current | 1.5(6)A 5(40)A 5(60)A 15(60)A 20(100)A |
| Reference Voltage | 3×220V/380V |
| Dimension (mm) | 290×170×85 |
| Working Voltage Range | 0.8Un～1.15Un |
| Maximum Working Voltage | 0.7Un～1.2Un |
| Working Temperature | -25℃～+60℃ |
| Maximum Working Temperature | -40℃～+70℃ |
| Accuracy | Active 1.0 | Reactive 2.0 |
| Factory setting subject to nameplate |
| For 1.5(6)A meter: Active 6400imp/kW·h |
| Reactive 6400imp/kvar·h |
| For 5(40)A meter: Active 600imp/kW·h |
| Reactive 600imp/kvar·h |
| For 5(60)A /15(60)A meter: Active 400imp/kW·h |
| Reactive 400imp/kvar·h |
| For 20(100)Ameter: Active 300imp/kW·h |
| Reactive 300imp/kvar·h |
| Pulse Width (80±20)ms |
