SITRANS LU150 and LU180 are short-range integrated ultrasonic level transmitters ideal for liquids, slurries, and bulk materials in open or closed vessels to 5 m (16.4 ft). SITRANS LU150/LU180 ...
Radar or microwave sensors measure using the emittance and detection of microwave pulses. Ultrasonic or sonic liquid level sensors measure the length of time it takes for a reflected sound wave to ...