Turck's Levelprox Non-Invasive Liquid Level Sensor
The levelprox is a non-invasive, ultrasonic sensing solution that provides accurate point-level detection of liquids through metal container walls. It's ideal for high-pressure, hazardous or sterile applications. The levelprox uses a simple teach button to program empty and full conditions for reliable detection of liquids through a container. It is available either stainless steel or chrome-plated brass.