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High Temperature Thermometer.

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gauravkothari23

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Hi all,
i am planning to make a device where i can measure temperature between range of 0 to 300 degree Celsius using thermocouple.
can any one please suggest me now can i do this and what IC's are recommend to measure the temperature between 0 to 300 Celsius using any Microcontroller.
i have gone through LM335 but it can measure only upto 125 Celsius.
 

Hi,

Sorry for not good news: In principle, I doubt you will find any silicon-based temperature sensor that can operate much over 150ºC, at best, because of maximum junction temperature issues. I could be wrong of course.

The 2N2484 BJT can operate up to 200ºC, nowhere near 300ºC.

There's nothing wrong with your thermocouple choice.
 

300 degree C is also well in the range of RTD sensors (Pt100/Pt1000).
 

d123 said:
Hi,

Sorry for not good news: In principle, I doubt you will find any silicon-based temperature sensor that can operate much over 150ºC, at best, because of maximum junction temperature issues. I could be wrong of course.

The 2N2484 BJT can operate up to 200ºC, nowhere near 300ºC.

There's nothing wrong with your thermocouple choice.
Click to expand...

Thanks.
i have gone through some of the notes.
https://www.youtube.com/watch?v=uARdp0OPSJU

i think this will work for me...
need to check it out for the same.
 

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