Designed for very short measuring ranges between 50 and 200 mm, Turck has developed the first miniature linear displacement sensor LI-Q17 that unites all the positive qualities of customary measuring systems in one solution. The LI-Q17 does not work with a magnetic locator but using the resonant circuit measuring principle, where an object’s position is detected via an inductive oscillating system consisting of a capacitor and a coil. As a result, the LI-Q17 is able to work reliably where the functionality of a magnetic position device is affected by the electromagnetic fields caused by motors or welding plants.
The robust LI-Q17 in an IP67-rated housing is available in four different sizes with the measuring ranges 50, 100, 150 and 200 mm, and suitable for operation in a temperature range from -40 to +70°C. The first models have an analogue output (0-10 V, 4-20 mA, 0,5-4,5 V), a high-resolution SSI model is about to follow. Despite their compact design, Turck’s new sensor family has extremely short blind zones of 10 mm at the connecting end and 22 mm at the head end. The electronic module of the position generator is pivoted and allows exact positioning suited to the installation. If an application needs a special measuring range, the user can program this on site.
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