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  1. river100

    Added valves plus PID controller to propane smoker

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  2. river100

    Added valves plus PID controller to propane smoker

  3. river100

    Added valves plus PID controller to propane smoker

    If I were using a PID for my smoker I would use one of 2 types of thermocouples. "K" type 1/16" insulated, ungrounded in a stainless steel / iconnell sheath, or 1/8" exhaust thermocouple with an ungrounded exposed tip. note: ungrounded is not as fast as grounded but.. most PIDs require them.
  4. river100

    Added valves plus PID controller to propane smoker

    On a side note, I applaud your design using gas as a heat source. The manager of the company when I started doing their design told me he had tried to use gas temp control with another company and they couldn't get it right. I am an electronics guy by trade and agreed with him so I wouldn't...
  5. river100

    Added valves plus PID controller to propane smoker

    Exposed tip on the right
  6. river100

    Added valves plus PID controller to propane smoker

    Exhaust-exposed by river100 posted Jan 1, 2019 at 9:09 PM
  7. Exhaust-exposed

    Exhaust-exposed

    • river100
    • Media item
    • Comments: 0
    • Category: Miscellaneous
  8. river100

    Added valves plus PID controller to propane smoker

    Sorry to be so techy, but hey, I live and breath this stuff almost daily.
  9. river100

    Added valves plus PID controller to propane smoker

    Another compromise might be an exhaust thermocouple, they are K type. They are larger wire diameter which makes them "hardy" but still exposed tips. I actually use them on some of my Air Welders. The sheath is 1/8" but it has an exposed tip.
  10. river100

    Added valves plus PID controller to propane smoker

    I just watched a you tube vid where the guy had a very short, say 1/2" probe, it was about 1/8" to 1/4" in diameter. He mounted it to the side of his smoker with a clamp and I can promise you it does a better job of measuring the case temps, not the air temps. The PID will try to keep the right...
  11. river100

    Added valves plus PID controller to propane smoker

    similar to this Thermocouple-2 by river100 posted Jan 1, 2019 at 8:42 PM
  12. river100

    Added valves plus PID controller to propane smoker

    The first picture is an exposed junction but on a "lead" wire. not a good choice as far as the mounting, but super accurate and quick in temp readings, I use that type to DBL check the output of the AIR torches. you could check the lead wire temp ratings they are listed. The other 2 have way to...
  13. Thermocouple-2

    Thermocouple-2

    • river100
    • Media item
    • Comments: 0
    • Category: Miscellaneous
  14. TCResponseTime_02

    TCResponseTime_02

    • river100
    • Media item
    • Comments: 0
    • Category: Miscellaneous
  15. river100

    Added valves plus PID controller to propane smoker

    I'm fairly new to this forum but have been reading it for a few years and it's where I learned to smoke with my MES 30. I want to thank you guys for that. I see a lot of people talking about PID controllers and tuning them. Since I design manufacturing production machines that use PID...
  16. river100

    Added valves plus PID controller to propane smoker

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