Thermocouple temperature sensor in the wiring problems occurring in the use of instrument

Thermocouple temperature sensor in industrial or agricultural or service industry has a wide range of applications, such as thermocouple temperature sensor can be used alone can also be used with secondary instrument, there are many customers like to buy thermocouple temperature sensor used with instrument, but tend to appear in the process of using the following a few questions.

is common pt100 temperature thermocouple sensor or pt1000, when we use these matching instrument used to set the instrument input to corresponding pt100 or pt1000, followed by assisting the instrument use must require pt100 or pt1000 are three wire system, so as to eliminate the influence of the resistance. The second is 4 20 ma output of thermocouple temperature sensor, which is what we call the temperature transmitter, the thermocouple temperature sensor when used with instrument need to set the instrument of the input signal into 4 - 20 ma, the second is the wiring, 4 - 20 ma thermocouple temperature sensor is generally two wire system, if you need any instrument to give it power supply we will power meter on the feeder thermocouple sensor, signal line access to the instrument input, if you don't need the instrument power supply we can thermocouple sensor power cord to the power supply, then signal lines to the instrument, connect the instrument ground and thermocouple sensor is negative.

thermocouple temperature sensor used with instrument has been very common, thermocouple temperature sensor and digital display integration at present, this kind of thermocouple sensor itself with display, don't need wiring so we use rise more convenient, but the screen is small, it is not easy to observe and record the data, so the thermocouple temperature sensor used with secondary instrument or the majority, is convenient to observe and record the digital display and remote data. The use of great convenience for customers.

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key words: thermal resistance, thermocouple, thermal resistance, platinum resistance, PT100, PT1000, pressure thermocouple sensor, digital temperature thermocouple sensor