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Temperature of the temperature sensor applications

temperature temperature sensor is the early development, the wide application of temperature sensor. Temperature of the temperature sensor market share more than the other temperature sensors. From the early 17th century people began to use temperature measurement. With the support of semiconductor technology, the century successively developed a thermocouple temperature sensor, semiconductor PN junction temperature sensor and integrated temperature sensor temperature.

conductor of two kinds of different materials, such as connected together, at some point of the heating connection, at the site of the they don't heat potential difference will occur. The potential difference value associated with the temperature of the heating part of points, and it has to do two conductor material. This phenomenon can be found in a wide range of temperatures, if accurate measuring the potential difference, to measure the heating part of the environment temperature, can accurately know the temperature of the hot spots. Because it must have two different material of the conductor, so called 'thermocouple. Different material to make the thermocouple used in different temperature range, their sensitivity is also each are not identical.

thermocouple temperature sensor has its own advantages and defects, its sensitivity is lower, easily affected by environmental interference signal, also easily affected by preamplifier temperature drift, therefore not suitable for measuring the temperature of the small change. The sensitivity of a thermocouple temperature sensor temperature has nothing to do with the material thickness of

temperature temperature sensor development history

in A. D. 1600, the Galileo developed the gas thermometer. One hundred years later, developed into a thermometer. With the needs of the development of modern industrial technology, have developed the wire resistance, temperature difference electromotive force components, double metal type temperature temperature sensor. After 1950, successively developed thermistor semiconductor. With the rapid development of raw materials, processing technology, has developed various types of temperature, the temperature sensor.

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the maintenance of the temperature sensor temperature

1. Temperature around the temperature sensor should try to set some 'damper', even the temperature sensor with thin metal plate covered up. Can help to prevent sundry defiled temperature sensor and some moving parts, and this kind of 'contamination' tends to make the movable part of the movement, and affect the weighing accuracy.

2. To should take put down gently especially made by aluminum alloy elastomer small capacity of temperature sensor, any impact, drop, the performance measurement may cause great damage. The temperature of the temperature sensor for large capacity, in general, it has a larger weight, so requirements during transportation, installation, use appropriate lifting equipment (as far as possible Such as hand chain hoist, electric hoist, etc. ) 。 Installation temperature sensor is the base of the face should level off, clean, no oil film, film, etc. Install base itself should have sufficient strength and rigidity, general requirement is higher than the strength and stiffness of temperature sensor itself.