The Type 8175 is a non-contact filling level transmitter, designed for liquid level or volume measurement in open or closed vessels. The unit is also suitable for limited use with solids (depending on angle). The unit with the 2 relay option makes it possible to provide alarm messages and to automatically carry out filling and draining procedures. The device is available in different models: Compact transmitter with integrated ultrasonic sensor. Remote transmitter, for panel- or wall mounting, for connection to the Bürkert 8170 sensor.