Class 2 DN15 DN20 DN25 Without Valve Modbus Lorawan RS485 Smart Direct Reading Ultrasonic Water Meter for Domestic

Class 2 DN15 DN20 DN25 Without Valve Modbus Lorawan RS485 Smart Direct Reading Ultrasonic Water Meter for Domestic. IP68 fully waterproof design, made of lead-free PA66 composite material, eco-friendly, durable and corrosion-resistant for complex environments. Multiple communication options: M-Bus, RS485, Pulse, LoRa/LoRaWAN, NB-IoT, 4G, compatible with various smart metering systems. Max 15-year battery life with 3.6V lithium battery, ultra-low power consumption (<0.2mW), greatly cuts daily maintenance cost. Built-in pipe leak detection function, timely identifies abnormal water flow, effectively reduces water waste and potential loss. Supports installation in any position (U0/D0 installation sensitivity), no strict pipeline direction limit, flexible and easy to mount. R250 wide dynamic range, start flow rate as low as zero point zero zero three cubic meters per hour, ensures high-accuracy measurement even at micro water flow. Touch control technology and 9-digit LCD display, clearly shows instant flow, cumulative volume, date and other multi-data. UV and moisture resistant, -25 degrees Celsius up to 55 degrees Celsius storage temperature range, adapts to harsh outdoor working conditions. Compliant with ISO4064 / OIML R49 & EN13757 standards, Class 2 metrology accuracy, reliable and traceable measurement. PN16 pressure rating with low pressure loss, stable performance under conventional water supply pipeline pressure.