HomeRoast Digest


Topic: Thermometer placement-Hearthware Precision (3 msgs / 91 lines)
1) From: myron joshua
Got my Cooper thermomter from SM and enlarged the hole in the chaff
collector.
Question: What is the best position for the thermometer? leaning towards the
center of the Roaster just above the resting beans-but inside the beans as
they agitate, or just above the agitating beans? Or, maybe towards the side
away from the heating element??
Best-myron
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2) From: Ed Needham
It depends on what you want to measure.  If you want a true bean temp
measurement, it's practically impossible.  If you want a temp reading to
closely and consistently approximate a bean temp, then make sure the tip of
the probe is in the bean mass and out of the direct heated air flow (maybe at
the edge of the air flow).  Your temp measurements won't be generalizable to
other roasters, and won't be an accurate measure of bean temps, but over
time, you'll get a feel for what the beans are doing at different temp
readings, and that might be helpful.
Ed Needham
To Absurdity and Beyond!http://www.homeroaster.comed
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3) From: Rick Farris
I angle the thermometer in so that the tip of it sits on the gasket
where the glass joins the bakelite.  Any place down on the floor and the
thermometer slips over to the middle, and all you read is the incoming
air temperature.  I got very repeatable (and close to theoretical)
readings using that placement.
I say that I "do" it, but really I should say I "did" it.  Because my
new Caffé Rosto came this week, last night I gave my HIP to my =
brother,
along with a pound of Kenya "Mika".  Cha-ching!  Another recruit!
-- Rick


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