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Brew Pressure Gauge for my Nuova Simonelli Oscar

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  • Brew Pressure Gauge for my Nuova Simonelli Oscar

    Hi guys, I am new here, just wanna ask how to install a brew pressure gauge on my Nuova Simonelli Oscar? and where do I get those accessories? I had been searching for them, but I couldn't find any online.

    Thanks

  • #2
    Originally posted by MrCoffeeBean View Post
    Hi guys, I am new here, just wanna ask how to install a brew pressure gauge on my Nuova Simonelli Oscar? and where do I get those accessories? I had been searching for them, but I couldn't find any online. Thanks
    I can't help you with a detailed explanation of how to do this on an Oscar, but the principle is fairly simple. You install a "T" piece in the pipe between the pump and the boiler/HX and run a copper or high pressure plastic tube from the T to the gauge. If the machine has an OPV it would probably need to be between that and the boiler or HX. A couple of our members show how they did this on their Sunbeams in this thread :-
    http://coffeesnobs.com.au/brewing-eq...shots-now.html

    The gauges can be bought from R S Components. Their prices are as good or better than any I could find, and their service is excellent.
    I bought one with the intention of fitting it to my Gaggia, but ended up making a portafilter gauge and adjusting the OPV instead.

    Hope this helps a little, Deegee.
    Last edited by deegee; 15 August 2013, 09:19 AM.

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    • #3
      Thank you so much! I would give it a try if I find the right equipments.

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      • #4
        If you would just like to know the brew pressure from time to time and not during a shot is being extracted, perhaps something like this will do the job http://elektros.it/shop/en/equipment...check-kit.html

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        • #5
          Looks to be the same gauge as the one from RS components.

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          • #6
            I have one of these gauges from Elektro's, is not suitable for panel mount.

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            • #7
              Originally posted by iampivot View Post
              I have one of these gauges from Elektro's, is not suitable for panel mount.
              Yes, it is attached to the PF.

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              • #8
                How exactly the pressure check kit work? just wondering if the coffee will come out from the portafilter? or I have to change it after that.

                Thank you guys!

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                • #9
                  It screws into your portafilter replacing the spout, and measures the static pressure which is about 1 bar above dynamic pressure. With my opv I get a reading of 9.5 bar.

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                  • #10
                    Originally posted by MrCoffeeBean View Post
                    How exactly the pressure check kit work? just wondering if the coffee will come out from the portafilter? or I have to change it after that. Thank you guys!
                    No coffee will come out, because no grounds will be in there. You screw the gauge onto the portafilter instead of a spout, then lock the P/F into the collar without any basket or coffee and flick on the brew switch for long enough to get a reading of the pressure in the brew head with no actual flow. It shows the maximum pressure that will be applied to the puck. The pressure with a normal basket full of espresso ground coffee (correctly tamped), will usually be a bit less because some water is now flowing through the puck, thus reducing the pressure just a little.

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                    • #11
                      Thank you guys!

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