On 18th March, 2022, LAISON Ultrasonic STS prepayment water meter won the STS (Standard transfer specification) certificate successfully, which is another product that has obtained STS certification after LAISON Remote IoT water meter and vending system. The STS standard transmission specification is the only global open standard in the current prepaid system. LAISON Ultrasonic STS prepayment water meter combined ultrasonic metering, prepayment method, STS and remote transmission, which met the local clients’ basic requirements of prepayment as well as improving the measurement accuracy of the meter itself and providing a wider dynamic range to adapt to various application scenarios.
Fig.1 STS certificate for LAISON ultrasonic