Platinum rhodium thermocouple installation requirements and precautions of this field use

Is commonly used in temperature measuring instrument of temperature measuring element, and it is directly measured temperature, and the temperature signals into a thermoelectric emfs, through electrical instrument ( Secondary instrument) Convert the temperature of the measured medium. Platinum rhodium thermocouple device are: main fixed way have threaded connection, flange connection and welding, its applicable occasions and different requirements, mainly according to the parameters such as pressure, temperature. So when we are in the device and use should note what respect? Will tell one by one to you today. 1, must pay attention to when using platinum rhodium thermocouple compensating conductor model match, cannot be wrong polarity, compensation conductor should be the linking to the thermocouple temperature should not exceed 100 ℃. 2, when using the time constant of thermocouple temperature or temperature control, instrument display temperature fluctuation is small, but the actual furnace temperature fluctuations can be quite large. In order to accurately measure temperature, should choose small thermocouple time constant. 3, according to the instrument to correct connection electric wiring diagram, first instrument display instrument of thermocouple indexing number, and then display instrument range limits, and measuring instrument discharge of digital tube display set temperature, the digital tube display on the meter measuring temperature. 4, platinum rhodium thermocouple cannot device within the measured media rarely flowing area, when measured with thermocouple tube gas temperature, must make the thermocouple against the flow direction of the device, and fully contact with the gas. 5, in order to make the measurement end of the thermocouple and thermal resistance between the measured medium and has good heat exchange, should choose the observation points, try to avoid in the middle of the valve 6, according to law of conductor in thermocouple temperature measuring actual applications, often takes the form of hot side welding, cold end open circuit, the cold end through the joining wire and display instrument constitute a temperature measuring system. Dear customer: hello, our company is a strong technical force of the development of high quality, for the majority of users with high-quality products and complete solutions and the best technical services company. The main products are S type thermocouple K type thermocouple sheathed thermocouples tungsten-rhenium thermocouples, etc. This enterprise uphold sincerity, with the purpose of the implementation of quality and with enterprising societe generale, with a firmer step climb the new peak unceasingly, contribute to national automation industry, welcome new and old customers to rest assured the choose and buy the desired products. We will serve you wholeheartedly!