New Brew Controller

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Re: New Brew Controller

Unread postby mashy » Thu Dec 13, 2018 2:36 pm

Nicely done.

Won't the thermo-well might get in the way of an Immersion chiller?
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Re: New Brew Controller

Unread postby pocketmon » Fri Dec 14, 2018 12:54 am

The thermowell extends about 14mm inside.
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Re: New Brew Controller

Unread postby mashy » Fri Dec 14, 2018 7:31 am

Do you have a link to a supplier please. I would like to add one in place of my tap.
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Re: New Brew Controller

Unread postby Onthebrew » Fri Dec 14, 2018 11:42 am

pocketmon wrote:What I learned so far:
1. The side thermometer is close to the heating element. That makes it a bad choice for temperature probe.
The old temperature probe is broken, so I removed the rubbery stuff and reuse the thermowell for a DS18B20.
The reading from the controller was almost 10 degree lower than the reading from the side thermometer until I turned on the pump.


That's interesting and i am pretty sure that's the root of the problem with my temp drifts. i think the actual temps are probably fine and the temp overshoots displayed are just because the temp probe is too close to the heater.
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Re: New Brew Controller

Unread postby aziztan » Fri Dec 14, 2018 11:48 am

mashy wrote:Nicely done.

Won't the thermo-well might get in the way of an Immersion chiller?
What's wrong with the existing temp prob?

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Re: New Brew Controller

Unread postby mashy » Fri Dec 14, 2018 2:07 pm

I would like to put an analogue one on the front to check.
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Re: New Brew Controller

Unread postby grooves » Fri Dec 14, 2018 3:32 pm

Try here: https://www.brewbuilder.co.uk/temp-dials.html

I have one in-line on the output of my plate chiller so I can adjust the flow of wort and/or cold water so that the wort is at the perfect pitching temperature as it goes in the FV.
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Re: New Brew Controller

Unread postby mashy » Fri Dec 14, 2018 4:40 pm

pocketmon wrote:The thermowell extends about 14mm inside.


It that 14mm or 14cm ?
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Re: New Brew Controller

Unread postby pocketmon » Sat Dec 15, 2018 3:47 am

mashy wrote:
pocketmon wrote:The thermowell extends about 14mm inside.


It that 14mm or 14cm ?


14mm or 1.4cm.

It came with the BM20. I don't know the source.
BTW,
This BM20 is a very old one. The controller is nothing like what I can found on the internet. The controller has two switches for HEAT and PUMP, and the temperature is controlled by simple temperature controller without automatic steps. The friend I bought it from was from Germany. I didn't ask when and where he got it, but I bet it's very old version from Speidel.
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Re: New Brew Controller

Unread postby mashy » Sat Dec 15, 2018 6:56 am

Thanks. Got it. I can find them online, but not that short.
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Re: New Brew Controller

Unread postby pocketmon » Sat Dec 15, 2018 7:18 am

This is the shortest thermo-well I can find. It's a thermowell, not a thermometer, though.
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thermowell.jpg
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Re: New Brew Controller

Unread postby mashy » Sat Dec 15, 2018 2:41 pm

I have found this ........

https://beveragelements.com/beverage_el ... hort-stem/

...sadly not a easy to get in the UK
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Re: New Brew Controller

Unread postby mashy » Sun Dec 16, 2018 9:33 am

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Re: New Brew Controller

Unread postby pocketmon » Mon Dec 17, 2018 12:42 am

mashy wrote:https://www.themaltmiller.co.uk/product/bi-metal-3dial-weldless-temperature-gauge-40mm-stem/

nearly...


I bet you can find some on eBay.
like
https://www.ebay.co.uk/itm/1-2-NPT-Stai ... 3550324181
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Re: New Brew Controller

Unread postby mashy » Mon Dec 17, 2018 6:29 am

I did see that one. Very close, but NPT will be a problem.
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