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Home Brew Forums > Home Brewing Beer > Electric Brewing > Any good alternatives to Pt100 RTD ?
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Old 01-17-2013, 10:53 PM   #21
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160 bucks sounds pretty reasonable. My thermocouple probe alone was about that, then i had to spring for the awesome redlion controler.


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Old 01-23-2013, 05:30 AM   #22
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Here's a follow up. I got the temp sensors today. they look pretty good. I don't know if the threading is NPT or not here is the picture.

I am thinking that two washers and two small silicone gaskets would work great.




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Old 01-23-2013, 05:24 PM   #23
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No that looks like M8 (or like a 3/8" UNC?). Also, the nut is a sure sign of a straight thread.

You may want to silver solder to a pipe fitting, or you will need to seal with a gasket/oring & washer
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Old 01-23-2013, 06:17 PM   #24
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Here's a closer look -
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Old 01-24-2013, 10:12 PM   #25
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I am not familiar with the threading standards but the way the construction is was probably meant for a weldless application.

Where can I find more on threading and if I use some teflon tape won't that be enough to prevent any leaking ?

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No that looks like M8 (or like a 3/8" UNC?). Also, the nut is a sure sign of a straight thread.

You may want to silver solder to a pipe fitting, or you will need to seal with a gasket/oring & washer
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Old 01-24-2013, 11:28 PM   #26
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I have seen this from someone else and I believe it to be true that the teflon tape is only for lubrication to keep the threads from galling and does not provide a seal.
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Old 01-25-2013, 01:09 AM   #27
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The Teflon will seal the threads. You might need to experiment with how many wraps it needs. It looks like M8x1.25 threads. You might be able to use a locknut with the nylon inside. That might seal up the thread.
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Old 02-05-2013, 05:32 PM   #28
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Update: I got the Auber PID and two of these. However as you can see my review on amazon the nut does't react to a hdd magnet but the probe slightly does - not as it would be made out of iron iron but there is some a magnetic force present.

Do the probe has iron inside. I will run the same check on the Thermometer I got for the kegs (I have two dials thermometers )

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I will definitely check them with a magnet. Would be insane not too. Thanks for input idea of custom gasket. Where did you see sheets of food grade silicone ?

I did a quick search on amazon "sheet food grade silicone" but pulls cookware.


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