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0answers
14 views

Calibrating PID. Temperature probes PT100 not linear

I am working on my HERMS setup and have a few PIDS and temp sensors to work with. The problem is that the temp sensors show about 5 degrees celsius off when I first set it up. I Raised the water in my ...
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1answer
45 views

Temperature Control Issues

I'm testing out a brand new 200L system and found a couple of potentially disastrous but potentially easy-to-fix issues: 1) While mashing the temperature indicated on the thermometer which sits near ...
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1answer
46 views

Best position to install a bi-metal thermometer

Of course I'm asking about the height. How to calculate the best height to install a bi-metal thermometer like this: Dial Thermometer - MoreBeer ? Usually, we can see it installed in the middle of ...
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1answer
886 views

BrewJacket - How does this Work and How can I replicate it?

https://www.kickstarter.com/projects/433436998/brewjacket-immersion-lager-beer-without-a-refriger I've spent the last year determining how I can combat the hot temperatures to brew beer. I resort to ...
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3answers
330 views

PVC and PTFE Plastic for Long Term Wort Contact

I use a Raspberry Pi with water proof temperature sensors fed in through the airlock to measure the temperature of the wort. They are in contact with the wort from pitch and up to bottling, 4-6 weeks. ...
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1answer
158 views

How to Use a Johnson Temperature Controller in Combination with a Ferawrap - Probe conflict with Raspberry PI

I received the Johnson A419 Digital Temperature Controller and will be getting a Fermwrap today in the mail (and I will be brewing tonight hopefully). I noticed that the Johnson model comes with a ...
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1answer
258 views

How Much (and How Fast) of a Drop in Temperature can (Ale) Yeast Tolerate? (And Preliminary Results from My Experiment)

I have rigged up a Raspberry Pi with some DS18B20 temperature probes that measure both the water in the swamp cooler and the beer directly and store the results in a MySQL database. I brewed a new ...
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4answers
1k views

How Should I Place a Digital Thermometer into My Fermentation Chamber and Keep it Airtight?

I have a setup with a raspberry pi and two DS18B20 digital thermometers that measure the temperature of the ambient air and the water in a swamp cooler that I place my fermentation chamber in. I was ...
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2answers
437 views

2 Temperature Control Questions - difference in ambient temp; moisture control in chest freezer

I use a chest freezer with a Brewpad heating element stuck to the inside wall (for warmer fermentations/bottle conditioning), and a single-stage Johnson controller. Since getting this, I haven't used ...
4
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4answers
1k views

Networked/Connected Thermometer for Measuring Water in Swamp Cooler

I was hoping to put together an information system that could measure the temperature of the water in a bucket where I place my fermenting-bucket and notify my smart phone when I need to replace the ...
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1answer
978 views

do I need a thermowell with stainless temperature sensor?

I'm planning a fermentation monitor based on an arduino board. The temperature sensors comprise a 1/4" OD stainless tube 8" long, which will be used with buckets and carboys. There are stainless ...