
Smart Prepaid Ultrasonic Water Meter with Lora, Nb-IoT Valve Control. Advanced Ultrasonic Technology: High precision measurement with no moving parts, ensuring long service life and low pressure loss. Long Battery Life: Ultra-low power consumption design with 3.6V lithium battery ensures over 7 years of operation. Smart Valve Control: Supports remote valve operation, prepayment management, and abnormal usage alerts for smart systems. IP68 Protection Grade: High protection grade suitable for various harsh installation environments and underwater conditions. Multi-Communication Options: Supports NB-IoT, 4G, LoRaWAN, RS485, and Modbus for flexible smart water management integration. Bidirectional Flow Measurement: Capable of measuring flow in both directions with low voltage alarm and leakage detection functions. Wide Range Ratio: Maximum range ratio up to R500, capable of measuring very low water drops accurately. Flexible Installation: Can be installed at any angle, ideal for hidden installations in residential and commercial systems.