Ultrasonic Water Flow MeterProduction description The LR1100 ultrasonic water flow meters are designed for residential water metering applications and feature state-of-the-art ultrasonic phase-difference sensing technology and innovative electronic circuitry. The product is fully compatible with the international standard 1504064-1:2014 and other relevant regulatory requirements. The meter is equipped with various IoT data transmission protocols, including LoRaWAN, NB-IoT, Bluetooth LE, and CAT-M, among others. The products can also be applied for a non-corrosive liquid flow monitor or measurement. • State-of-the-art ultrasonic phase difference sensing technology • Extended rangeability • Excellent reliability and stability • Leakage detection • Battery powered • Fully customizable packages

Ultrasonic Water Flow Meters – LR1100 series Specifications Accuracy Range ratio Pipe size Pressure rating Working environment Temperature range Upstream sensitivity Downstream sensitivity Safety class LoRaWAN / Infrared / NB-IoT Power supply Lithium-ion battery C-cell (3.6 Vdc) Totalizer, instant flow rate, status, or alarms Data storage EEPROM, 24 months’ totalized flow Note: Parameters specified at the calibration conditions. Wireless* : LW – LoRaWAN-X; N – NB-IoT-X; C– CAT-M. Connection thread: G – BSPP; N – NPT. Valve: V – yes; N – none. DN: 15, 20 or 25. Refer to Sec. 7 for flowrates. Note...