One-phase Digital Prepaid Electricity Meter

Technical Specifications:

Standard  :   STS, IEC 62052-11, IEC 62053-21, SPLN 57-4 
Accuracy :  Class 1.0
Wiring :  Single Phase 2 wire
Range Voltage  :  100 - 250 V AC
Basic Current (lb)  :  5A (default) / 10A /  20A *
Maximum Current  :  80A
Starting Current  :  0, 4 % of Ib
Maximum Continuous Current :  400% of Ib
Display :  6 + 2 digit LCD
Power Factor :  0.5 lag-unity-0.8 lead
Frequency  :  50 Hz ± 5%
Nominal Frequency :  50 Hz
Metrology Indication :  Red Color Led
Storage Temperature :  0°C to +85°C
Temperature  :  0°C to +70°C
LCD Least Scale :  10 Watt hour (2 digit behind coma)
Alarm Status :  Yellow Color Led F1
Reverse Energy Status :  Yellow Color Led F2
User Interface :  12 Character Keypad, with  Feedback Audio
IP Rating :  IP54
Communication :  Infra-Red
Token :  20 digit numeric token
Line Cut Off :  Internal Contactor

Main Features

1. Easy to use, installation and pay
2. Friendly user interface
3. Secure data transfer with STS (Standard Transfer Specification)
4. Data self diagnostic function
5. Support two way meter reading
6. Data Transfer from a Point of Sale is made via a numeric token
7. Programable power limit and audible low credit warning
8. Anti Tempering (Anti Electricity Theft / Automatic Termination )

-  Termination Line Neutral both before and after kWh Meter
-  Phase Inversion
-  Limiting Power as secondary MCB if MCB damaged or deliberately
             connected to increase power illegally
-  Current Injection
-  The use of Permanent Magnets for saturation current on The Current    

KWh Meter contains all critical metering, load control functionality, token decryption, relay disconnection, temper detection and reverse energy detection functionality. It can be used in wide range of application for all consumer types. Data transfer is generated using STS encryption techniques and protocol, functional keypad to enter data into the token transactions KWh meters. 6 + 2 digit LCD display can display the remaining credit, energy consumption and various meter data via keypad. KWh Meter offers an IEC 62053-21 compliant infrared
communication port. The utility allow to access a variety information stored inside KWh Meter and upload it to PC via infra-red. Vending system supported by an advance integrated solution, convenience and security of prepaid electricity consumption and revenue collection.