Total market size for temperature sensors in the Americas in 1999 was $540 million, according to the survey. This category included thermocouples, RTDs, thermistors, infrared thermometers and thermowells. Thin-film RTD growth is outpacing wire-wound RTD growth, reflecting improvements in technology and lower selling prices. The study also credited increased education about infrared technology as a cause for wider use of infrared products. Used for spot checking temperatures in remote locations, infrared thermometers are employed when contact temperature sensors are not practical. Infrared thermometers can be used at a distance to determine temperature.
Growth in use of temperature transmitters was tracked by this survey as well, including high-tier, smart, programmable, analog and low cost. A more accurate transmitter than smart transmitters, high-tier transmitters are expected to show the fastest growth in the next five years. Analog transmitter shipments are projected to decline.
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