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Santoker 500/Revolution 500 Roaster -VS- new Sonofresco ADR profile sample roast
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Frost
Senior Member
Frost
Joined: 26 Jul 2007
Posts: 2,092
Location: Sierra
Expertise: I love coffee

Espresso: Isomac Venus
Grinder: Lelit PL53
Roaster: Poppery I w/variac, MET, BT
Posted Tue Mar 18, 2014, 10:00am
Subject: Re: MET
 

MET is Maximum Environment Temperature.

MET the beans are exposed to during the roast is important for controlling roast degree as described in this article by Carl Staub:

http://www.sweetmarias.com/roast.carlstaub.html

MET for medium to light roasts is a narrow window, so monitor & control of MET is a good idea.

MET for these solid drums would tend to be the drum itself, so a probe location that approximates drum temp is the aim of the MET probe location(s).

ET, or Environment Temperature, fundamentally is the same measure as MET: MET is simply the maximum ET during the roast... (If I am mistaken here, please clarify: this is my understanding based on the definitions used by Staub)

The Exhaust temp (ExT?)  is (telling)another measure when it can be lower than BT and still BT is gaining heat (from the drum).
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kboom1
Senior Member
kboom1
Joined: 31 Aug 2009
Posts: 310
Location: Northeastern Pennsylvania
Expertise: I live coffee

Espresso: Alex2HX,Alex Duetto,Rancilio...
Grinder: Rancilio Rocky,Vario
Roaster: Behmor x2 / USRC Sample...
Posted Fri Mar 21, 2014, 3:54pm
Subject: Re: Santoker 500/Revolution 500 Roaster -VS- new Sonofresco ADR
 

kboom1 Said:

Thanks Rob. The wait is killing me, I just mentioned to the wife I had to roast tonight, she said why do you look so bummed out, hence new roaster waiting and still having to use my meager old equipment.

I didn't even check out Diedrich's or SF's prices this time around. The last time I called Diedrich (about a year or so ago) and from their replies it souded like they did not want to deal with home roasters. But in their defence I'm sure they get a lot of price request from home roasters that didn't follow though with a purchase. My experence with USRC so far has been nothing but a plesent experience. Every question and email answered without hesitation. The only other American roaster I did check the price on was a 2k Ambex $8,900 with incuded logging software.

Posted March 18, 2014 link


Looks like I might have my roaster sooner than I thought. Talking with Dan from USRC yesterday he said they were ready to start the painting.
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