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  • Manometers

    I have an Omega digital monometer, but thinking of changing to a better one. What do you recommend? I use mine testing gas pressure on tankless water heaters.

  • #2
    Re: Manometers

    Yellow jacket water u-tube manometer :-)

    Is cheap, tuff and requires no batteries or more importantly no annual calibration

    Okie

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    • #3
      Re: Manometers

      truthfully a basic "u-tube" with colored water is as accurate as it gets.

      pretty cheap and easy to calibrate too.

      the one gauge i have is pretty temperamental as it seems to be sticky.

      rick.
      phoebe it is

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      • #4
        Re: Manometers

        okie, good minds think alike

        rick.
        phoebe it is

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        • #5
          Re: Manometers

          Originally posted by PLUMBER RICK View Post
          truthfully a basic "u-tube" with colored water is as accurate as it gets.

          pretty cheap and easy to calibrate too.

          the one gauge i have is pretty temperamental as it seems to be sticky.

          rick.
          Sick minds think alike

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          • #6
            Re: Manometers

            How do you store a liquid filled manometer? Will the liquid freeze?
            Better yet how do you read a liquid manometer?

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            • #7
              Re: Manometers

              http:/viot.us/hvac/shoppingcart.php $45.95 35' W C ?????
              I can build anything You want , if you draw a picture of it , on the back of a big enough check .

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              • #8
                Re: Manometers

                http://www.dwyer-inst.com/Products/T...CategoryID=296
                I use the series 1227 filled with oil and freezing is not an issue. The scale slides along the tube and u line up the meniscus with zero to callibrate and then read your pressure where the bottom of the meniscus lines up when you are checking pressure or vaccuum.
                Where I went to school use of a u-tube manometer was part of first year gas training.
                Instructions are included when you purchase from dwyer and replacement oil is also available.
                There are different u-tube manometers available depending on wether you will use oil or water due to the different specific gravity of water versus oil.
                Hope this helps.

                Comment


                • #9
                  Re: Manometers

                  Dwyer makes some nice stuff and well respected in the trade.
                  Nothing wrong with using one of them. As has been said simple,
                  accurate, and little maintenance. And no cal required for U-Tubes.
                  ---------------
                  Light is faster than sound. That's why some people seem really bright until you hear them speak.
                  ---------------
                  “If I had my life to live over again, I'd be a plumber.” - Albert Einstein
                  ---------
                  "Its a table saw.... Do you know where your fingers are?"
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                  sigpic http://www.helmetstohardhats.com/

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                  • #10
                    Re: Manometers

                    i use the Slack Tube® Manometer/Gas Pressure Kit and it came with a 1 - 3/4 oz. Bottle Fluorescein green color concentrate with wetting agent.
                    i dont think it freezes , it never did for me and it wont evaporate
                    Charlie

                    My seek the peek fundraiser page
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