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Optical pyrometers - advantages and disadvantages?

  1. Apr 23, 2008 #1
    Hello I really want to know what the advantages and disadvantages of optical pyrometers are?

    Thanks a lot
  2. jcsd
  3. Apr 23, 2008 #2


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    + Cheap, rugged, high temperature, wie bandwidth
    - Low senstitvity, poor time response.
  4. Apr 24, 2008 #3


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    What mgb_phys said, and ...

    non-contact measurement.

    object must be hot enough to radiate visibly
    systematic error from emissivity difference between pyrometer filament and object
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