The keypad Prepaid Water Meters is an STS (Standard Transfer Specification) compliant, electronic valve controlled water meter. RF STS Prepayment Water Meter System consists of smart water meter and separate keypad, which is defined as UIU(User Interface Unit).
STS (standard transfer specification) prepaid water meter system, the customer can pay through the third party payment system to obtain the 20 digits recharge TOKEN, and the user can input the 20 digits recharge TOKEN through UIU(User Interface Unit) to recharge and query the water meter
Features
- UP to 8 years battery life
- Insufficient water warning
- Self-defined overdraft
- Anti-storage (purchase limitation)
- Anti-magnetic Interference & record
- Low-BatterylAnti-tamper detection
- IP68 waterproof grade
- Step price can be set
- History data
- Pay by mobile payment/PC
Parameters
- Size:DN15-DN200
- Body Material: Brass/cast iron(bulk size)
- R=80,R100,R160.
- Max.work pressure:1.0MPa
- Protection class: IP68
- Working voltage: 3.6V±0.6V;
- Quiescent current:<10μA
- Pressure loss:≤0.063mpa
- Software payment: Free
- Composition: STS water meter,keypad,software.
