Dwyer's Ultrasonic Solid Level Transmitter Series ULB
The Series ULB is a direct-install level transmitter designed for non-contact measurement of solid levels. The ULB utilizes ultrasonic technology paired with automatic temperature compensation to provide reliable and accurate measurements in virtually all conditions. An integrated LCD screen and four responsive push buttons allow for quick and easy programming on a simple menu structure.
Complete details are available at Dywer's homepage.