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Discussions > Espresso > Machines > HX brew temp  
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tinytot2
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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, 12:16pm
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.
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,842
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon May 20, 2013, 1:24pm
Subject: Re: HX brew temp
 

No you can not put a thermometer int the group head like an E61
A Scace device is the best followed by a home made device and a thermal pin in a styrofoam cup is the least accurate way.

What problems are you having to suspect pressure/temp?

 
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Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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dana_leighton
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dana_leighton
Joined: 11 Jan 2002
Posts: 1,960
Location: Fayetteville, AR
Expertise: I live coffee

Espresso: Isomac Relax; Caferina...
Grinder: Macap MXK; Baratza Vario-W;...
Vac Pot: Yama 5-cup
Drip: Technivorm; CCD; Melitta
Roaster: Poppery I w/PID controller
Posted Mon May 20, 2013, 1:37pm
Subject: Re: HX brew temp
 

calblacksmith Said:

No you can not put a thermometer int the group head like an E61

Posted May 20, 2013 link

What about Eric's device? See this thread on H-B.

 
Dana Leighton - Espresso hack and CoffeeGeek moderator
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,842
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon May 20, 2013, 1:49pm
Subject: Re: HX brew temp
 

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!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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dana_leighton
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dana_leighton
Joined: 11 Jan 2002
Posts: 1,960
Location: Fayetteville, AR
Expertise: I live coffee

Espresso: Isomac Relax; Caferina...
Grinder: Macap MXK; Baratza Vario-W;...
Vac Pot: Yama 5-cup
Drip: Technivorm; CCD; Melitta
Roaster: Poppery I w/PID controller
Posted Mon May 20, 2013, 3:20pm
Subject: Re: HX brew temp
 

calblacksmith Said:

No you can not put a thermometer into the group head OF THE OSCAR like YOU CAN ON an E61

Posted May 20, 2013 link

Oh. OK - You're correct about that... ;^)  I didn't read back to see the OP was referring to an Oscar.

Dana

 
Dana Leighton - Espresso hack and CoffeeGeek moderator
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GVDub
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Joined: 25 Jan 2008
Posts: 864
Location: Los Angeles, CA
Expertise: I live coffee

Espresso: Londinium I, Arrarex...
Grinder: Gaggia MD85, Dienes Mokka,...
Drip: Behmor Brazen, Abid Clever
Roaster: Behmor 1600+
Posted Mon May 20, 2013, 3:56pm
Subject: Re: HX brew temp
 

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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Coffeenoobie
Senior Member
Coffeenoobie
Joined: 11 Dec 2011
Posts: 3,036
Location: PNW
Expertise: I like coffee

Espresso: N S Oscar
Grinder: K30 & Vario W
Posted Mon May 20, 2013, 5:28pm
Subject: Re: HX brew temp
 

There is a link on H-B where someone drilled into the the group head of a musica and put a probe and coupler in it.  I am just not willing to do that right now.

 
Coffeenoobie

Buying advice: GRINDER GRINDER GRINDER. Don't cheap out on the grinder.

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