Sensors & Transducers


Infrared temperature sensor requires no cooling

July 2005 Sensors & Transducers

The new Raytek MIH sensor can be installed in environments with ambient temperatures up to 180°C without the need for costly water or air-cooling accessories, making it suitable for continuous temperature monitoring in high-temperature applications. Water and air-cooling accessories not only add installation and maintenance costs, they can leak and contaminate products, or condensation produced by cooling can obscure the sensor's field of view and interfere with measurement accuracy. The MIH sensor includes a Teflon coated cable to withstand exposure to harsh chemical environments. The cable connects the miniature sensing head to the sensor electronics housed separately in a remote protective box.

Both the Raytek MID and MIC IR sensors have been enhanced with halogen and silicone-free PUR cables to withstand harsh environments; The sensors also include screws that are fixed to the sensor's box lid so they cannot be lost during installation, potentially damaging equipment or affecting product quality. A standard RS232 communication interface is available for remote PC-controlled monitoring. Both sensors also feature an optional viewing window in the lid, revealing the LED underneath and reducing the need for an external indicator for displaying temperature values. While the MID model can be installed in ambient environments up to 85°C, the MIC sensor can handle ambient environments up to 125°C, also without the need for water or air-cooling. Both MIC and MIH sensors include additional calibration for increased measurement accuracy.

The compact size of all the Raytek MI Series sensors enables them to be seamlessly integrated into existing control equipment or OEM systems. All Raytek MI Series sensors include an optional RS485 interface, which allows up to 32 sensors to be networked in a multidrop configuration on just two wires, reducing installation costs and facilitating the design of custom equipment. Optional Raytek DataTemp software enables easy remote sensor control and data collection.

The broad range of features and flexible hardware options of the newly expanded and enhanced Raytek MI Series sensors make them ideal for a broad range of applications, including thermoforming, glass, paper mills, printing, converting, paint booths, drying, and food processing among others.

For more information contact R&C Instrumentation, 032 946 2805, info@randci.co.za, www.randci.co.za



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