Capacitive sensor

The BCF10 capacitive sensor’s small size makes it more flexible for mounting in level applications and it has the ability to detect liquids with high concentrations of chlorides, such as soaps and cleaners. Turck’s noise immunity technology has been retooled for a flat pack housing.

In applications where a detergent high in chlorides is used, it is typically contained in a plastic container. Over time, the detergent leaves a film or etch on the inside wall of the container. If a standard capacitive sensor is used for level detection, it will detect this film even though the container is empty. The BCF circuit incorporates a compensating electrode configuration that allows the sensor to detect through the film and to the actual liquid in the container.

The BCF10 is a DC sensor, available with a 10 mm sensing range in either a corded or quick-disconnect version.