tinytot2 Senior Member Joined: 31 Dec 2012 Posts: 113 Location: Wisconsin Expertise: I like coffee
Espresso: NS Oscar Grinder: Vario W Drip: Breville YouBrew
Posted Mon May 20, 2013, 11:16am Subject: HX brew temp
How do you measure the brew temp on an HX machine that doesn't have a gauge/display? I'm not looking to control the temp, just to view it.
I suspect that both the temperature and the pressure are off on my Oscar. I'm going to get a gauge to check the pressure, but I have no idea how to monitor the temperature. Can you add a brew head thermometer to the Oscar? I thought I saw some that attach through the bottom of a portafilter, but I'd prefer something that can help me diagnose the problem while I'm actually pulling a shot.
EDIT: LOL, I just read the above post again and again, I think I see the confusion! I said, No you can not put a thermometer int the group head like an E61,
perhaps I should have said,
No you can not put a thermometer into the group head OF THE OSCAR like YOU CAN ON an E61
I just skimmed the link but unless I missed something, Erics thermometer is only for E61 group heads (in the article they may mention adapting it to other machines but when I looked at them, it was E61 only.). There is a manufacturing hole that is plugged in the E61 and this is where his device goes, you remove the plug and it screws into the GH and is in close contact with the brew water flowing right by it.
I did not see that there was a way to mod the Oscar BG, I had an Oscar and I do not remember seeing a way to add the thermometer, it is a different design. The closest I think would to put a thermocouple on the water line going to the BG but you will not have a direct contact with the water, you will be reading the temp of the water line and there will be some loss of temp and a lag in the change of the temp.
Perhaps Hellen will chime in, I know she has modded her Oscar quite a bit but I do not think she has found a way to add a thermometer to it.
In real life, my name is Wayne P. Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!
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I had stuck a couple of the thermostrips OE sells on the grouphead of my Ellimatic's original boiler. Not water temp, but grouphead temp, and it's a helpful guide. Need to pick up another pair and stick 'em on the new one.
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