STS Pre-paid Ultrasonic Water Meter

Description

STS Pre-paid Ultrasonic Water Meter
STS in prepaid smart water metering usually means Standard Transfer Specification.
It is an international standard used to manage prepayment tokens and credit securely between a vending system and a prepaid meter. It is widely used in prepaid electricity and can also be implemented for water meters.

Core Features
※ The entire series supports STS standard 20-bit encrypted token recharge, preventing
cracking and tampering, ensuring secure and reliable transactions.
※ Built-in electric valve enables balance alerts, automatic valve closure for overdue
payments, and automatic valve opening for recharges.
※ Supports multiple communication methods including 4G, LoRa, and LoRaWAN for
remote meter reading and parameter configuration.
※ IP68 fully sealed protection, suitable for immersion installation, and powered by a
long-life lithium battery (6-10 years).
※ Multiple security protections: anti-inverted installation, anti-unauthorized disassembly,
fault self-diagnosis, and anomaly alarms

Function
Remote meter reading (consumption, balance, status)
STS encryption TOKEN recharge (20-digit code)
Prepaid & postpaid mode switch
Valve control (open/close automatically)