Ultrasonic proximity switches may be used wherever distances have to be measured in air. The targets can be in the solid, liquid, granular or powder state. The material may be transparent or coloured and of any shape, as well as having a polished or matt surface. Contrinex ultrasonic proximity switches are available as diffuse and reflex sensors. The delivery program comprises M18 short devices adjustable with teach-in, as well as compact switches in sizes M18 and M30, programmable by means of a potentiometer and/or interface. The M18 compact devices are available with either switching or analog outputs. In addition, versions of the M30 execution are available with either one or two switching outputs, or with analog and switching outputs in the same device. Contrinex ultrasonic proximity switches feature high excess gain as well as a small blind zone, and can achieve operating distances of up to 6 m. For optimum adjustment to the application conditions, the compact switch parameters can be programmed, visualised, checked and modified by means of a PC interface device and the accompanying CONPROG software.
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