Temperature Sensors Summary

The global market for temperature sensors has rebounded after the recession year 2009 and is expected to grow at a steady rate. Major industries are using temperature sensors as well as the IT sector, research and development.


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The global market for temperature sensors has rebounded after the recession year 2009 and is expected to grow at a steady rate. Major industries using temperature sensors are the process industries, the discrete manufacturing industries, the automotive and aircraft sectors, the building and medical sectors. Other major markets are household appliances, information and communication technology as well as professional devices. Research and development, too, is of importance.

Temperature sensors have become smarter through the introduction of microcontrollers, enabling self-diagnosis capability, remote two-way communication and other smart functions. The demand for mass temperature meters is growing steadily; so is the demand for temperature meters working in harsh environments.

The demand for automotive temperature sensors is expected to grow. They are used for engine control (coolant, fuel, intake air temperature) as well as in HVAC systems. Exhaust gas recirculation systems, oxidation and DeNOx catalysts are increasingly using RTDs. Three-way catalysts are using thermocouples.

The process industries, too, are a major user of temperature sensors. They have diverse applications within the oil & gas sector, in refineries, chemical and pharmaceutical plants, power plants, in the pulp & paper industry and in wastewater treatment plants. The trend is towards smarter temperature sensors with self-diagnostic features and digital communication capabilities. Many temperature sensors in the process industries must be robust and rugged for use in harsh environments. Especially in the oil & gas industry, there is a growing demand for distributed fibre-optic temperature sensors.

In the medical sector, temperature sensors are not only used in fever thermometers, biofeedback systems and electrosurgical instruments but also for respirators and in blood analysis as well as in sleep apnea monitoring devices and anesthetic equipment. The building sector, too, has a high and growing demand for temperature sensors in air conditioning systems, heating systems and in refrigeration equipment. Especially in computers and consumer electronics, IC temperature sensors are growing in importance.

Over the years, temperature sensors have evolved in terms of sensitivity, reliability, compactness and versatility, as a consequence of ever-growing need for enhanced technology. An overall trend away from contact technologies towards radiation technologies can be observed especially in high-temperature applications. Wireless temperature sensors, too, are advancing, especially for improving HVAC systems in professional buildings.


The global market for temperature sensors was impacted significantly by the recent economic recession during the years 2008-09. With the crisis hitting all major OEM and end-user industries, growth in the market remained relatively flat during these years. However as demand rebounded in 2010, mainly from the industrial, automotive, office and building sectors the pre-crisis growth level has rebounded for these markets.


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