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Max Temperature measured by AD597:  Type K Thermocouple Conditioner

Question asked by bvn123 on Sep 19, 2012
Latest reply on Sep 19, 2012 by bvn123


In AD597 datasheet (Type K Thermocouple Conditioner) the temperature range is -200°C...+1250°C.

And +1250°C measurement is achievable under +15V power supply.

I'm interested in increasing upper limit up to +1500°C

Would stay the limit +1250°C really unchangeable, if to use power supply -Vs=0V, +Vs=+30V?


If such power supply increases measuring temperature limit up to +2500°C, what about error for +1500°C?

What is the best connection for thermocouple for 1500°C - should be negative wire (chromel) connected to ground or not?