Ami Domestic Wireless Lorawan Class 2 DN15 DN20 Remote Reading Ultrasonic Water Meter with Built-in Valve

Ami Domestic Wireless Lorawan Class 2 DN15 DN20 Remote Reading Ultrasonic Water Meter with Built-in Valve. Built-in brass valve enables remote water on/off control, ideal for residential, apartment and industrial water supply management. Multiple communication options: M-Bus, RS485, LoRa/LoRaWAN, NB-IoT, 4G, compatible with diverse smart metering systems. Exceptional IP68 waterproof rating, delivers reliable performance in underground, outdoor and harsh humid environments. Up to 15-year battery life with 3.6V lithium battery, ultra-low power consumption (<0.2mW) reduces maintenance costs. No-air measuring technology eliminates air bubble interference, ensures more stable and accurate flow metering. Intelligent pipe leak detection function, timely identifies abnormal flow to cut water waste and potential loss. Supports all-position installation (U0/D0 sensitivity), no strict pipeline direction limit, flexible for on-site mounting. R250 wide dynamic range, zero point zero zero two cubic meters per hour ultra-low start flow rate, keeps high accuracy even at micro water consumption. Premium Brass 59-1 body with PN16 pressure rating, corrosion-resistant and durable for long-term operation. Touch-control 9-digit LCD display, complies with ISO4064/OIML R49 & EN13757, Class 2 metrological accuracy.