Liaoning digital PT1000 temperature temperature sensor source for the corporation

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

the corresponding relationship between the resistance temperature sensor temperature

indoor and outdoor temperature of the air conditioning at home and abroad choose temperature sensor characteristic parameters for the following kinds: 25 ℃ when the resistance is equal to about 5 k Ω Ω, 15 k, 10 k Ω Ω, 23 k. Special cases are: frequency conversion air conditioning compressor at temperature sensor in the ambient temperature of 30 ℃ temperature resistance at 400 k.

temperature temperature sensor temperature, the resistance and the single chip microcomputer cPu voltage corresponding changes as shown in table.

note: ( 1) Frequency conversion air conditioning compressor temperature sensor temperature: 80 ℃ = 50 k. 5 ( ) 4℃= 160 k ~ ( ) ℃= 250 k ~ 30℃= 400 kΩ,20℃= 600 kΩ,10℃= 1 mΩ。

( 2) Temperature temperature sensor input CPU voltage value less than zero when open. 5 v, short circuit when the input voltage is greater than 4 CPU. 95V。

the temperature of thermal resistance temperature sensor structure

today and share is temperature thermal resistance temperature sensor structure, hope to help you!

end face temperature thermal resistance temperature sensor end face temperature of thermal resistance heat temperature sensor resistance wire winding by special processing, close to the face in the thermometer, it is compared with general axial temperature thermal resistance temperature sensor, can more accurately and quickly to reflect the actual temperature of end face, is suitable for measuring temperature bearing and other parts of the face.

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