RF Card Prepaid Water Meter SAPT
Smart, secure, and efficient — the RF card prepaid water meter is designed for modern water billing in residential apartments, rental properties, and utility-managed communities. By enabling a prepaid model with contactless RF card recharging, this meter helps reduce revenue loss, lower administrative effort, and promote responsible water consumption.
Applications
This prepaid water meter is ideal for scenarios where centralized billing is difficult or manual collection is inefficient. It is widely used in:
Apartment buildings and rental housing
Public housing projects
Gated communities
Areas with limited access to infrastructure
Key Features
Contactless RF Card Operation: Recharge water credit securely without wiring or external terminals.
Prepaid Functionality: Water supply is only available after recharge, supporting fair and proactive usage.
Dual Display: Easy-to-read mechanical and digital indicators ensure clarity and redundancy.
IP68 Protection: Fully sealed for underground or outdoor use, including pits and humid basements.
Anti-Tamper System: Withstands magnetic and electrical interference attempts.
Smart Alerts: Warnings for low credit, battery level, and automatic shut-off on arrears.
Step Tariff Support: Built-in real-time clock and memory for tiered pricing structures.
Technical Specifications
Operating Pressure: MAP16 (up to 16 bar)
Temperature Class: T30
Valve Type: Electric suspension ball valve
Power Supply: Long-life lithium battery (>6 years)
Communication: One-card multi-meter support (optional)
Protection Rating: IP68
The RF card prepaid water meter combines contactless convenience with robust protection, making it a practical choice for utilities and building managers seeking to modernize water billing systems. Whether installed in individual flats or centralized shafts, it delivers reliable performance and seamless recharge for both users and operators.
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 |
