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Q - High-Temperature sensing options? (+200C)

Randy Diakur
Prodigy 10 points
Other Parts Discussed in Thread: XTR108

Hi there -

I'm looking for a relatively low-cost, moderate accuracy circuit that will sense temperatures up to +200C (+400F).  The IC temperature sensors I have found so far seem to be limited to +125C, although I did locate a sensor from another manufacturer that claims to sense to +150C.

What are my options for a sensor circuit that will operate to +200C?  Am I limited to a thermistor-based design, or are there other options?

Thanks;
Randy

  • 0
    TI__Mastermind 24358 points

    I recommend looking at RTD’s.  This is the most accurate temperature sensing solution for the temperature range you are looking at.  The XTR108 is a good way of doing signal conditioning on RTD’s.

     

    Best regards,

     

    Art Kay