RF Card Prepaid Water Meter SAPT

RF Card Prepaid Water Meter SAPT

Smart, Secure, and Efficient Water Management

Application
The SAPT RF card prepaid water meter is designed for smart water management in residential buildings, apartment complexes, gated communities, and rental properties. By enabling a prepaid billing model, it allows utilities, property managers, and local governments to streamline fee collection, prevent water loss, and encourage responsible consumption.

Ideal for areas with complex user groups or low collection efficiency, this solution eliminates the need for manual readings and reduces administrative overhead. With its high protection class and advanced anti-tamper design, the meter remains reliable even in demanding installation environments such as basements, meter pits, or outdoor locations.

FEATURES

  • Contactless RF Card Operation – Enables secure and wireless top-up and data transfer

  • Prepaid Functionality – Water is only available after recharging, promoting responsible usage

  • Dual Display – Mechanical and digital display for reliable, readable consumption data

  • High Protection Design – Fully sealed housing, IP68 rated, suitable for humid or buried environments

  • Ball Valve Technology – Low pressure loss, reliable sealing, and long service life

  • Anti-Tamper System – Resistant to magnetic and electrical interference

  • Smart Alerts – Low credit warning, valve shut-off on arrears, battery low indicator

  • Step Tariff Support – Built-in clock and memory for tiered pricing models

Technical Highlights

  • Operating Pressure: MAP16 (up to 16 bar)

  • Temperature Class: T30

  • Valve: Patented electric suspension ball valve

  • Power Supply: Long-life lithium battery (>6 years)

  • Communication: One-card multi-meter support (optional)

METROLOGICAL DATA

Nominal diameter DN      mm      15       20      25      32     40      50     
Length* L mm 165 190  260 260 300 300
Nominal flow rate Q3 m³/h  2.5   4 6.3 10 16 25
R standard* Q3/Q1  R 160 160 160 160 160 160
Minimum flow rate* Q1 l/h 16 25 40 63 100 160
Transition flow rate* Q2 l/h 25 40 63 100 160 260
Maximum flow rate Q4 m³/h 3.1 5 7.9 12.5 20 31