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  1. #1
    Join Date
    Dec 2004
    Location
    Chicago area
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    In duct wet bulb measurement

    What tool(s) works well for this.

    Been using a Fluke digital psychrometer, but the head is too short to work with insulated duct.




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  2. #2
    Join Date
    Jan 2002
    Location
    Chicago area, Il.
    Posts
    675
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    I've had the Fieldpiece SRH3 for a few years now and I love it.

    Extendable probe. RH/WB/Dew Point and of course Dry Bulb temp. Target Superheat Calulation and Target Evaporator Exit Temperature Calculation.
    Hi, my name is Glenn, and I'm a Toolaholic!

  3. #3
    Join Date
    Aug 2009
    Location
    Beatrice, NE
    Posts
    10,720
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    I have used the Cooper MFM 300. the probe is a good 4" long and will give you WB, DB, RH, ENTH., grains, and I believe a couple others so just about the whole psych chart. Lately I have been using the air probe that goes with my iConnect. I don't recall the iConnect giving as much info but don't know if I need it all either.

  4. #4
    Join Date
    Aug 2016
    Location
    PA USA
    Posts
    42
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    Just picked up the UEI DTH35. Works really well for in duct applications. The cover unscrews and acts as a handle on opposite side of probe

  5. #5
    Join Date
    Dec 2004
    Location
    Chicago area
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    Thread Starter
    How fast is the response time with those tools?


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  6. #6
    Join Date
    Aug 2016
    Location
    PA USA
    Posts
    42
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    The UEI usually settles out within a minute or so

  7. #7
    Join Date
    Jan 2002
    Location
    Chicago area, Il.
    Posts
    675
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    Quote Originally Posted by heatingman View Post
    How fast is the response time with those tools?


    Sent from my iPhone using Tapatalk
    Depending on the difference the meter has to adjust to, 2 minutes or less.
    Hi, my name is Glenn, and I'm a Toolaholic!

  8. #8
    Join Date
    Dec 2004
    Location
    Chicago area
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    Thread Starter
    Thanks.


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  9. #9
    Join Date
    Oct 2010
    Location
    Anderson, South Carolina, United States
    Posts
    17,110
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    Fieldpiece sdp2 is a good option. I used to use mine before getting the iConnect.

  10. #10
    Join Date
    Dec 2004
    Location
    Chicago area
    Posts
    8,761
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    Thread Starter

    In duct wet bulb measurement

    I liked the Fieldpiece SHR3 but it looks almost identical to the sta-2 which I thought might be confusing, so I opted for the fieldpiece prh2. Almost pocket sized and the price was right.


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  12. #11
    Join Date
    Jul 2014
    Location
    Apache Junction, Arizona
    Posts
    1,132
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    I like the look of that Fieldpiece PRH2 Digital Psychrometer It is going in my tool kit next time I have to go to the supply shop..
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