Temperature Measurement


Temperature sensors with advanced teachable technology

November 2011 Temperature Measurement

Banner Engineering has updated the popular T-Gage temperature sensors. These passive, non-contact temperature-based devices detect objects that are either hotter or colder than the ambient condition and then trigger an output. They are extremely easy to set up because they use Banner’s advanced Teach-mode pushbutton programming that requires no potentiometer adjustments.

T-Gage sensors are especially useful for monitoring production lines in the process, food production, assembly, packaging and materials handling industries. They operate even if the product is stationary and can sense temperature changes as small as 3°C. Typical applications include detecting hot products such as baked goods; detecting cold products such as frozen foods; monitoring process equipment; detecting hot parts; and monitoring heated or chilled rollers.

They have a fast 25 millisecond response time which can accommodate production line speeds. The small self-contained package does not require an external controller. Setup is quick and easy using an onboard Teach pushbutton or remote cable. The dynamic Teach-mode allows the sensor to learn two sensing conditions on the fly and automatically set the switchpoint. The manual Teach-mode allows the user to program the sensor for two distinct temperature switchpoints.

With a stainless steel barrel and fully encapsulated electronics, the sensor is rated IP67 for harsh sensing environments and it has a wide temperature sensing range from 0 to 300°C. The advanced monitor software allows for threshold adjustment and real-time information display through a PC. All these features make the T-Gage particularly easy to install and use.

The sensor operates from 10 to 30 V D C. It features solid state bipolar outputs: one current sourcing (PNP) and one current sinking (NPN). Output timing options include on-delay, off-delay, retriggerable, one-shot and pulse stretches. It is available with a 2 m or 9 m unterminated cable, or 5-pin Euro-style quick disconnect option. Lens options include an integrated lens for general purpose use, an enclosed plastic face for food applications and a germanium lens for narrow field of view.

For more information contact Rodney Topham, RET Automation Controls, +27 (0)11 453 2468, [email protected], www.retautomation.com



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