Results 1 to 2 of 2

Thread: PID Rancilio DIY. Which thermocouple do I use

  1. #1
    Member
    Join Date
    Sep 2009
    Posts
    67

    PID Rancilio DIY. Which thermocouple do I use

    Gene Cafe Coffee Roaster $850 - Free Beans Free Freight
    Need to find a thermocouple. I see these "screw on" probe types with 6.3mm thread for sale on certain online auction websites which are very cheap. Do these fit easily to replace one of the boiler screw? Or alternatively what about these other ones with black tips which sell for under $10 bucks?

    If not any recommendations of local places I can source a decent thermocouple which mounts easily to the boiler? Also what length cable do you recommend?


  2. #2
    Senior Member
    Join Date
    Mar 2006
    Posts
    188

    Re: PID Rancilio DIY. Which thermocouple do I use

    You will probably get best results from a thermocouple probe that has a washer or ring terminal on the sensing end. *

    With the 6mm threaded probes, the extra mass, along with relatively poor conduction, will slow the response, making control more of a challenge than it needs to be.

    Look for a grounded probe, terminated with a ring/washer sized for #6 screw, with leads around 1 meter in length. *Type T material has the least inherent errors in this temperature range, but type K is acceptable as well. *Teflon insulation is best.

    We offer a suitable type K probe through evilbay.com, but cannot figure out a way to supply them to CSers without incurring significant shipping expenses *:-X

    Jim




Similar Threads

  1. Where does the thermocouple go?
    By gronk62 in forum Roasters
    Replies: 16
    Last Post: 18th November 2008, 01:23 PM
  2. Thermocouple
    By lucinda in forum Home Roasting - Tips, Tricks, Ideas
    Replies: 17
    Last Post: 17th January 2007, 11:58 AM
  3. Thermocouple
    By grendel in forum Home Roasting - Tips, Tricks, Ideas
    Replies: 2
    Last Post: 19th September 2006, 11:08 PM

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •