701006 Sensors, Transducers

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NTC thermistors are temperature sensors that use a semiconductor material to measure the temperature in a wide range of applications. These thermistors are composed of two types of metal electrodes, which are typically made of either nickel or cobalt. The metal electrodes provide electrical contact with the semiconductor material, which is then used to measure the temperature.

When an electric current is applied to the electrodes, the semiconductor material produces a resistance change that is inversely proportional to the change in temperature. The electric current will increase the temperature of the semiconductor material, and as a result, the resistance of the material will decrease. Conversely, when the temperature of the semiconductor material decreases, the resistance will increase.

NTC thermistors use a whetstone bridge circuit to measure the temperature of the semiconductor material. The whetstone bridge is used to compare the voltage of the current which causes a change in the resistance. The bridge will then detect a change in the resistance when the temperature is changed. This change in resistance can then be used to measure the temperature of the device.

NTC thermistors are used in a variety of applications, from industrial temperature sensing to consumer products. They are commonly used in temperature control systems, such as heating and cooling systems. They can also be used to monitor the temperature of electronic components, as well as to help detect dangerous temperatures in electrical devices.

NTC thermistors are well-suited for applications that require precise temperature measurement. They are very accurate and have an excellent response time, which makes them an ideal choice for many temperature sensing applications. Additionally, these sensors are highly reliable and robust, which means that they are able to withstand extreme temperatures and harsh environments.

NTC thermistors are also popular for use in medical applications, where accuracy and reliability are essential. They are used to measure body temperature and help detect potential illnesses. They can also be used to monitor and control vital systems in hospitals and medical clinics.

NTC thermistors are also commonly used in automotive applications, such as coolant temperature sensors and air flow sensors. They are used to monitor the temperature of the engine and other components. They can also be used to detect excessive coolant levels and help diagnose engine problems.

NTC thermistors are also used in a variety of industrial applications. They are used to monitor and control the temperature in factories and other large production lines. They can also be used to monitor the temperature of liquids, gases and solids in industrial processes. Additionally, they can be used to measure the temperature of bearings, motors and other components.

Overall, NTC thermistors play an important role in many different applications. They are accurate, reliable and robust, which makes them an excellent choice for temperature sensing. They can be used for a variety of purposes, from medical applications to industrial applications. By utilizing these sensors, engineers and technicians can ensure the accuracy and reliability of their temperature-measuring applications.

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