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Study Finds Shift to Noncontact Temperature Sensors

August 23, 2006

Flow Research sees end users moving away from thermocouples, RTDs, and thermistors to infrared thermometers and fiber-optic temperature sensors.


WAKEFIELD, MA /BUSINESS WIRE/ -- A new research study finds several important shifts occurring in the temperature sensor market. The study, called The Market for Temperature Sensors in the Americas, 2nd Edition, was researched and published by Flow Research. The temperature sensor market in the Americas totaled $620 million in 2005, according to the study. Revenues from sales of temperature sensors in the Americas are projected to increase at a compound annual growth rate of 4.2 % through 2010, when they are expected to reach $760 million.

One important technology change is the shift away from contact temperature measurement to noncontact measurement. This involves a shift away from thermocouples, RTDs, and thermistors to infrared thermometers and fiber-optic temperature sensors. Both infrared thermometers and fiber-optic temperature sensors are forms of noncontact temperature measurement.

In addition to the shift toward noncontact temperature sensors, there is a broader shift away from thermocouples. Thermocouples typically are less accurate and stable than RTDs and thermistors. End users who wish to achieve greater accuracy and stability in their temperature measurements can either switch to a different type of contact sensor, such as an RTD or thermistor, or can go to a noncontact type, such as infrared or fiber optic. Some temperature measurements, such as the temperature of moving objects, cannot be made by contact methods.

According to Dr. Jesse Yoder, president of Flow Research, other changes are occurring as well. "It is interesting to compare the temperature market today to the temperature market of 2000. Some changes that were going on then are still occurring now, like the shift from wirewound to thin-film RTDs. But other changes are occurring, like the development of fiber-optic temperature sensors and the further development of infrared thermometers. In addition, a great deal of consolidation has occurred in this market."

Flow Research Inc.
Flow Research is a market research company that specializes in flow, pressure, and temperature. Besides the 400-page study, The Market for Temperature Sensors in the Americas, 2nd Edition, current study topics include differential pressure flowmeters, primary elements, vortex flowmeters, magnetic flowmeters, and temperature transmitters. Flow Research has a Web site devoted to temperature. Charts available upon request.


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