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Original question:

TMP117: Nist calibration certificates, what exactly is provided

TMP117: TMP117

Vince Duperron
Prodigy 35 points
Part Number: TMP117

I too, would like an example calibration certificate.  Ideally the calibration certificate will include the uncertainty of the calibration standard, thus providing a traceable temperature calibration.

  • 0
    TI__Mastermind 27535 points

    Hi Vince,

    Thank you for your post. I'm following up with you via private message. 

    Best Regards,
    Brandon Fisher

  • 0 in reply to Brandon Fisher94
    Prodigy 35 points

    The document located at the link is not sufficient for my needs.

    Please supply a document with a logo from an ISO-17025 accredited body.  Some examples include, NAB, A2LA, NVLAP.  To move forward I need evidence of traceability.  The document supplied thus far is not that.
    Thank you
    Vince Duperron
  • 0 in reply to Vince Duperron
    TI__Mastermind 27535 points

    Hi Vince,

    We do not provide individual certificates by device like you would find for a calibrated probe. We do however warranty that the performance of each device will be within datasheet specifications as described in the calibration letter I shared. I have sent you an FAQ Regarding our NIST Policy via private message. 

    Best Regards,
    Brandon Fisher

  • 0
    Prodigy 35 points
    Brandon;

    Please see inline, below.

    Vince

    > We do not provide individual certificates by device like you would find for a calibrated probe. 

    I am not looking for individual certificates.  I want to understand the traceability of your production.

    > We do however warranty that the performance of each device will be within datasheet specifications as described in the calibration letter I shared.

    This is just a promise.  I imagine my recourse is a full refund of every part that I can demonstrate is out of spec.  That is, essentially, no recourse at all.

    >  I have sent you an FAQ Regarding our NIST Policy via private message.

    NIST control numbers do not establish traceability.  They might as well be ticket numbers in a service queue.

    Traceability is established through the use of ISO-17025 accredited labs and uncertainty budgets, not promises.  

    TI makes an extraordinary claim when the state the accuracy of the TMP117 part is 0.1ºC.  This is better than the best RTDs with an excellent readout.  This is in the realm of SPRT measurements.  I would love to start including these parts in my product, but I need traceability.  Please help me get there.



  • 0 in reply to Vince Duperron
    TI__Mastermind 27535 points

    Hi Vince,

    I'd like to support a bit better here, and I think I can better address these specific concerns in another format. If you click on my username and then on the connect button in the top right corner of my profile page, there is an option to send me a private message.

    Please PM me your email address and I'll follow-up with you via email.

    Best Regards,
    Brandon Fisher