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  1. #1
    Join Date
    Aug 2005
    Posts
    148

    Testo Digital Manometers 506-3 vs 510

    Does anyone have any experience with either the Testo 506-3 or the 510? Any preferences, or suggestions on which is more usefull?
    My main use will be taking gas pressure reading, with a secondary use of airflow and static pressure readings.
    Any and all help is appreciated!

  2. #2
    Join Date
    Jan 2005
    Location
    Akron
    Posts
    981
    The 506 is no longer manufactured, so it is not an option unless you find one at a supply house. The 510, its replacement actually replaces two Testo manometer, the 506-2 and 506-3. It is a duel range with a very stable sensor. It can be used up to 40" and has a resolution low enough to measure airflow with a Pitot tube. It will also measure pascals through the entire range. It is a substantial improvement over the 506-3. The entire pocket line is pretty slick. It has a magnetic back, and the top cover protects the display in your tool box. It also uses a temperature compensated pressure sensor, so it is very accurate.

    Display in Pascal possible over entire measurement range
    0-40 inH20 range
    Accuracy: 0.03 hPa (0 to 0.30 hPa) / 0.05 hPa (0.31 to 1.00 hPa)
    Temperature compensation
    Magnetic rear permits free-hand work
    Flow velocity measurement with Pitot tube (Pitot tube not included)
    Air density compensation (adjustable)
    Protective cap for safe storage
    Including wrist strap and belt holder
    Backlit display
    Switchable units: hPa, mbar, Pa mmH2O, mmHg, inH2O, inHg, psi, m/s, fpm
    JLB,

  3. #3
    Join Date
    Aug 2004
    Location
    North Richland Hills, Texas
    Posts
    14,914
    Quote Originally Posted by jim bergmann View Post
    It also uses a temperature compensated pressure sensor, so it is very accurate.
    Does that mean that if I take it from my relatively cool truck up into a blazing hot attic in the summer, or my relatively warm truck into a freezing cold attic in the winter, I won't have to constantly pull the hoses off and rezero it while it is changing temperature.
    If more government is the answer, then it's a really stupid question.

  4. #4
    Join Date
    Jan 2005
    Location
    Akron
    Posts
    981
    That is the idea
    JLB,

  5. #5
    Join Date
    Aug 2004
    Location
    North Richland Hills, Texas
    Posts
    14,914
    Sold!
    If more government is the answer, then it's a really stupid question.

  6. #6
    Join Date
    Aug 2005
    Posts
    148
    Excellent info, thanks Jim.

  7. #7
    Join Date
    Mar 2007
    Location
    Greenwood IN
    Posts
    439
    Does anyone else feel like Testo follows them around and comes out with a new tool every time they get the previous good one

    Guess this means that I will have to buy another manometer now
    Reality is merely an illusion, albeit a very persistent one.
    -Albert Einstein

  8. #8
    Join Date
    Aug 2004
    Location
    North Richland Hills, Texas
    Posts
    14,914
    Quote Originally Posted by hvaceric View Post
    Does anyone else feel like Testo follows them around and comes out with a new tool every time they get the previous good one
    Just about, lol.

    The 506-3 came out right after I got my Dwyer 475.

    Check out this post of mine from April 2005.
    http://www.hvac-talk.com/vbb/showthr...ght=dream+tool

    The Testo 435 multi function meter, that came out in 2006, satisfies all of those criteria!
    Including the upper range of price I said I was willing to pay, lol.
    If more government is the answer, then it's a really stupid question.

  9. #9
    Join Date
    Mar 2007
    Location
    Greenwood IN
    Posts
    439
    Maybe you should have set your upper price lower and it wouldn't cost so much
    Reality is merely an illusion, albeit a very persistent one.
    -Albert Einstein

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