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Turck releases new sensors for contactless position detection

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article image QR24 rotary position sensor
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Turck Australia announces the new QR24 rotary position sensor designed to provide contactless position detection and wear-free performance in diverse industrial applications.

Based on TURCK’s rotary inductive sensor technology, the QR24 is suitable for several industrial applications ranging from solar energy plants and harvesters to crane vehicles and AGVs.

Rotary feedback is critical in nearly every installation, and most rely on their mechanical bearings to provide proper tolerance and position of the internal system. This leads to mechanical wear, vibrations and potential leaks. 

The QR24 provides superior performance without the need for contact or bearings, allowing the rotary position sensors to successfully execute the same functions as an encoder or potentiometer, while eliminating wear and extending sensor longevity.

TURCK Product Manager Marty Cwach observes that today’s rotary encoder applications are becoming more demanding, requiring a higher degree of ingress protection, smaller package size and longer life expectancy in the sensors. TURCK’s new QR24 incorporates these new requirements and meets or exceeds the demands.

TURCK QR24 rotary position sensors are part of the company’s industry-recognised Q-track family of sensors, which utilise resistance inductive capacitance (RLC) measuring technology. Unlike potentiometric or magnetic technologies, the sensors incorporate precisely manufactured printed emitter and receiver coil systems. The emitter coils are activated with a high frequency AC field and produce an inductive RLC circuit with the positioning element. The element is inductively coupled with the receiver coils, which are arranged so different voltages are induced in the coils, depending on the position of the actuator. The voltages serve as a measure for the sensor signal.  

The QR24’s multi-coil system provides high resolution, while ensuring 16-bit noiseless operation. The sensor also features a double resonator system, providing increased distance capability and high-end signal processing with multi-core multiprocessor for enhanced speed.

Key features of the QR24 sensors also include a fully sealed IP69K/IP67-rated housing to protect against moisture and dust in demanding environments; and flexible parameterisation via IO Link or easyteach, allowing the sensor to easily adapt to specific application requirements.

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