Yes, it has always been bouncing around, but you could not see that. It
"seemed" to drop a degree or two below your target and then bounce back and
stay at the target for quite a while. Actually, the machine was above the
target, but it would not tell you that.
The number that you see should also be reflecting the "off-set". You can
play a little bit with shots pulled after a 2 or 3 oz flush when the
controller is saying 92 and also at the high end. Decide which end is the
more pleasant and move the off-set a degree higher or lower to bias the time
toward the good zone.
Also, please keep in mind that all the temperature data is useful only as
relative information, i.e. relative to the water temperature when the
read-out is showing one degree higher or lower. You would need about $500+
worth of special equipment to determine what the "more true" temperature at
the puck is for your machine. And since the probe length and insulation
varies a little from machine to machine, there are minor differences between
machines with identical settings. However, most of this is just noise
happening at a level most of the time that normal people can not taste. But
every now and then you can get a lemon mouth. However, it is more likely
that you will get those from imperfect distribution rather than catching the
extreme end of the temperature range.
So relax and enjoy the good stuff. And trust your tongue to tell you when
you have found a sweet spot, regardless of what the read-out says. At least
now, you are getting good data about where you are in the heat cycle.
Sounds like the WLL guy was having a bad day in the midst of the xmas rush
and was probably uncomfortable saying: "that's way above my pay grade; I am
clueless and my database doesn't cover it."
Thanks for your trail of bread crumbs ... let's hope the next poor soul with
the problem will know how to search the back posts.
----- Original Message -----
From: "Ira" <[email protected]>
To: <[email protected]>
Sent: Thursday, December 27, 2012 2:10 PM
Subject: RE: Brewtus 2 - temperature variation
At 10:11 AM 12/27/2012, you wrote:
I called WLL and got an unusual brush-off, "not my part, not my problem".
Really, no help at all.
I have half a dozen calls in to Furneco, with promises of a return phone
call from their technician, and never a response.
That's normal. In order to make you think the machine was more stable than
it is, Expobar put in a custom controller that would not show temperatures
above the set point. The new improved un-custom sensor shows that actual
temperature and let's you see the temperature swing that's always been
there. Nothing to worry about and it might let you improve the quality of
your shots.
Ira
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