KQ series capacitive sensors

October 2009 Sensors & Transducers

The new capacitive KQ type sensors from ifm electronic are ready for use at the push of a button and have been optimised for the detection of conductive media through non-metal vessel walls.

This small sensor has four functions. The NO and NC function can be programmed by pressing two buttons. The auto-detect output function allows the circuitry to automatically detect PNP or NPN output loads at the external electronics. This is ideal for the user who then only needs to press one button for the adjustment to the medium and the setting of the NO or NC output function. This facilitates configuration as well as set-up of different evaluation systems.

The new capacitive sensors are easy and fast to mount using fastening strips and optional accessories. They reliably detect bulk materials or liquids. Typical applications are the detection of minimum levels, leakage or overfilling of tanks.

An LED integrated into the sensor housing indicates the switching status. The operating voltage is 10–36 V DC with the units designed for non-flush installation and a sensing range of 8 mm.

For more information contact Chris Cronjé, ifm electronic SA, 086 143 6772, www.ifm.com/za

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