Ultrasonic Level Sensor LUC-M20, Measuring method, Continuous Measurement, Device for non-contact level measurement, Measuring range up to 8 m in fluids, Measuring range up to 3.5 m in bulk materials, Quick and simple commissioning via menu-guided onsite operation with four-line display, Optional remote display and operation (up to 20 m from transmitter), Integrated temperature sensor for automatic correction of the temperature dependent sound velocity, Line indicator for signal strength