R250/R400 STS Ultrasonic Water Meter For Residential

is an intelligent water meter that combines ultrasonic technology with the STS (Standard Transfer Specification) protocol. It is typically used for accurate water flow measurement and supports prepaid management systems. It integrates the intelligence of the water meter with convenient payment functionality, making it suitable for water management in households, businesses, and public facilities.

• Ultrasonic Measurement Technology: The ultrasonic sensor measures the water flow velocity, offering high accuracy, long lifespan, and maintenance-free operation. Unlike traditional mechanical meters, ultrasonic water meters have no mechanical friction, are less prone to wear, and provide precise measurements.

• STS Protocol Support: The STS protocol is an international standard widely used in prepaid systems, ensuring secure and accurate data transmission. Users can recharge and query the balance of the by entering a 20-bit token code or a 2-bit short code through the mobile phone App or CIU

• Prepaid Functionality: Users can preload water fees based on their needs, and the system automatically monitors the water usage. When the preset threshold is reached, the water supply is automatically cut off or the user is notified to recharge. This helps improve water resource management efficiency and .

• , allowing users to check the water meter status, remaining water amount, historical usage data, and more. This facilitates easier management and maintenance.

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