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STS Ultrasonic water meter Description

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The ultrasonic STS water meter represents a technologically advanced, secure, and reliable solution among modern prepaid water meters. It delivers outstanding metering performance through ultrasonic technology, while the internationally recognized STS standard ensures secure and open prepaid management. It is one of the ideal tools for water utilities to achieve efficient operations and effective water-saving management.

STS Ultrasonic Water Meter Working Principle

Ultrasonic Measurement:
Based on the time-difference method, a pair of ultrasonic transducers alternately transmit signals to measure the time difference of ultrasonic waves traveling downstream and upstream. The flow velocity is then calculated to determine the water flow.

STS Prepaid:
Data exchange is based on a 20-digit token. Users can recharge by entering the code via a mobile phone or terminal, without the need for a physical card.

sTS ultrasonic water meter features

Advanced Metering Technology + Proven Prepaid Model:

More Reliable Metering:
Ultrasonic technology overcomes the issues of mechanical water meters, such as failure to register low flows and accuracy degradation caused by wear. It provides a reliable foundation for accurate billing.

Efficient Revenue Management:
With a prepaid "pay-before-use" model, it completely resolves billing and collection challenges for water utilities and property managers, improves cash flow, and eliminates the need for on-site meter reading or fee collection.

Clear Water Usage for Users:
Users can check their remaining credit and water consumption at any time, helping to promote water-saving habits.

High Security:
The STS standard uses advanced encryption technologies. The generated token codes are unique and time-bound, preventing forgery or reuse and ensuring financial security.

Compatibility and Openness:
STS is an open standard, allowing STS-compliant meters and vending systems from different manufacturers to be interoperable.

remote read water meter

STS Ultrasonic water meter Workflow

Management Center:
In the STS water vending system, an encrypted token code is generated based on the user's payment amount.

Water Purchase:
The user receives a 20-digit token code.

User Recharge:
The user enters the token code on the water meter using the keypad, following the on-screen prompts.

Meter Verification:
The water meter verifies the validity of the token code, updates the remaining balance, and opens the valve (if it was previously closed due to nonpayment).

Normal Water Usage:
The ultrasonic sensor continuously measures water flow with high accuracy, and the balance is deducted accordingly.

Alerts and Valve Control:
When the balance is low, an alert is triggered; when the balance reaches zero, the valve automatically closes.