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  1. #27
    Join Date
    Mar 2011
    Location
    Galloway, Ohio
    Posts
    62
    Jim,
    How does the sta2 compare to the aat3, I wonder why they dropped the web bulb reading on the Sta2. Thanks for all your dedication to the trade and quality testing.

  2. #28
    Join Date
    Jan 2005
    Location
    Akron
    Posts
    975
    The AAT3 only measures velocity and it does not calculate CFM like the STA2. On the surface it looks like the perfect accessory, but it leaves all of the calculations and the averaging to the technician. The STA2 does it all for you. Thanks for the feedback.
    JLB,

  3. #29
    Join Date
    May 2010
    Location
    Tennessee
    Posts
    353
    Quote Originally Posted by jim bergmann View Post
    Did a video this afternoon on how the Fieldpiece STA2 works, how to layout a traverse and how to make a correct airflow measurement in a residential system.



    Any feedback would be appreciated.

    Jim Bergmann


    Is there a certain time frame that this instrument stays calibrated for before having to send it in to be calibrated, or does it stay pretty well calibrated for its life span?

  4. #30
    Quote Originally Posted by JTCHVAC View Post
    Is there a certain time frame that this instrument stays calibrated for before having to send it in to be calibrated, or does it stay pretty well calibrated for its life span?
    at least once a year under normal usage. Or if you suspect that the readings are not proper or accurate is another reason to send it in for evaluation.contact Fieldpiece if you want more information.

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