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GPRS Prepaid AMI Smart Meter

The self-developed LAISON GPRS Smart Water Meter realizes bidirectional data communication between meter and Center System through GPRS Com., thus realizing Meter Remote Prepayment, Daily/Weekly/Monthly Automatic Meter Data Uploaded, Real-time Meter Remote Communication, Remote On/Off  Value  switch valve, ect.
LAISON GPRS Water Meter complies to International STS Standard IEC62055-41,51, gets certified from STSA. Customers could purchase water through multiple methods (Vending Points, Agency, Customer Self-service, ect.), then obtain 20-digit recharge token. Moreover, the Center System can automatically send the recharge code to the corresponding smart meter through the GPRS network to recharge remotely without external keyboard input.
Meanwhile, meter data such as Hourly Consumed Water, Meter Battery Voltage, Running Status, ect. could be automatically uploaded to Center System through GPRS for further data statistics and analysis. And d
iversified statistical reports can help water companies make scientific decisions.

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1. Basic Functions:

1.1. STS Prepaid Working Mode available: Meter Recharge 
via GPRS Com. Channel remotely 
via IR Pad 
1.2. Daily Autometic Meter Data Upload 
via GPRS (Hourly Consumption Data, Battery Voltage, Meter Running Status, Event Record etc.) 
1.3. Remote Meter Parameter Checking & Value Control via GPRS

2. Data & Event Record:

2.1. 10 years' Monthly Consumption Data Record
2.2. 10 years' Hourly Consumption Data Record Optional
2.3. Meter Event Record during whole lifespan, including Battery Replacement (Meter Restart), Open/Close Value Failure, Magnetic Interference Time, Exceed Maxmum Flow Time, ect.

3. Battery Power Management:

3.1. 2 Levels of Low Battery Warning
3.2. Data auto-save when battery off