"ultrasonic liquid flow meter"
Ultrasonic NB-IoT Remote Transmission Water Meter Radar Measuring
Ultrasonic NB-IoT Remote Transmission Water Meter This water meter is the "top-of-the-line technology" in the field of smart water meters for civilian use. It adopts the most advanced "ultrasonic metering technology" and "NB-IoT communication technology", and is a benchmark product for the ...
Submersible Hydrostatic Level Transmitter 316L Stainless Steel Probe 4-20mA 0-100m Water Level Sensor
Submersible hydrostatic level transmitter with 316L stainless steel probe, vented cable reference and 4-20mA output for groundwater, tank and wastewater level monitoring up to 100m.