Turck, an industry leader in sensor, fieldbus and interface technology, has released a new high-temperature sensor family. These new inductive proximity switches (CQ40 and CQ80) can operate in temperatures up to 250°C and are therefore suitable for use in the drying and curing ovens associated with automotive painting systems.
Turck’s new proximity sensors can operate in temperatures of up to 250°C
The manufacturer claims to be the first manufacturer to offer an 80 mm device in addition to a 40 mm device for use in this temperature range. System designers now have the opportunity to use a standard package size over the entire temperature range from cold to hot. As an additional benefit for the painting industry, the Teflon cables of the sensors are surrounded by a protective aluminium sleeve to prevent contamination of the surfaces to be painted.
A reality of high-temperature sensing is that the sensors used in the high temperature area typically have a maximum life of 12 months, regardless of the manufacturer. The new 250°C sensors feature a sensor head with removable sensor electronics. Turck significantly reduces operating costs with this design that enables replacing just the sensor head during a fault, instead of the entire switch, as in many other designs. The separation of the components also ensures a quick exchange of the sensor head without extended downtime.
The high-temperature sensor has been developed in close co-operation with oven manufacturers. Turck provides a complete range of sensor and fieldbus solutions for all corresponding applications in the automotive industry and its Tier 1 suppliers, from the new proximity sensors to the high temperature data carriers of the complete RFID package known as BL ident.
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