LZB series 2-wire Bluetooth type ultrasonic level sensor is a general purpose product that replaces float, conductance and pressure sensors that fail due to contact with dirty, sticky and scaling liquids in small, medium and large capacity tanks. The sensor can be powered by a 24VDC external power source and power supply waterproof cable provided. The sensor provides continuous level measurement up to 3m with a 4–20mA signal output, Bluetooth digital output. Users can set parameters and read the data via the smart mobile phones. It is ideal product for corrosive liquids, chemical or process tank level measure.