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  1. #1
    Join Date
    Feb 2013
    Location
    Lamar, SC
    Posts
    522

    DIY Thermocouple Clamps

    Thermocouple clamps are quite pricey, yet the k-type thermocouples themselves are very cheap and so are plastic clamps. Anyone ever try putting them together themselves? Looks like you could get the materials to make half a dozen from ebay for under twenty bucks.
    "If you've eliminated all other possibilities whatever remains must be the truth."

  2. #2
    Join Date
    Apr 2012
    Location
    Cleveland
    Posts
    605
    Quote Originally Posted by jmsmars1 View Post
    Thermocouple clamps are quite pricey, yet the k-type thermocouples themselves are very cheap and so are plastic clamps. Anyone ever try putting them together themselves? Looks like you could get the materials to make half a dozen from ebay for under twenty bucks.
    Sorry no DIY on this site. Please call a pro. Lol.

  3. #3
    Join Date
    Feb 2013
    Location
    Lamar, SC
    Posts
    522
    Quote Originally Posted by Hvac216 View Post
    Sorry no DIY on this site. Please call a pro. Lol.
    Awesome
    "If you've eliminated all other possibilities whatever remains must be the truth."

  4. #4
    Join Date
    Apr 2012
    Location
    Cleveland
    Posts
    605
    I'm interested to hear the responses. My sman clamp is starting to crap out.

  5. #5
    Join Date
    Mar 2006
    Posts
    1,028
    My ak900 arnt even a week old and i love then. I do alot of small reach ins with 3/8 and 1/4 lines. The velco ones are good but a pita in a small area

  6. #6
    Join Date
    Jun 2010
    Location
    S. Texas
    Posts
    63
    I tried this when I was taking the course, as some people had their Fieldpiece clamps break. I got a 6" clamp at Biglots and glued a plastic v-block for alignment on one side with Goop. The other side I glued on some foam and a strip of beer can and put the thermocouple between two layers of the aluminum. Worked well enough, had to fiddle the thermocouple location to get it on the copper tube correctly. Need to try again. Clamp had a serious spring in it.

  7. #7
    Join Date
    Jun 2010
    Location
    S. Texas
    Posts
    63
    http://fieldpiece.com/tech-articles/...-and-solutions

    Some thoughts on what is required

  8. #8
    Join Date
    Feb 2013
    Location
    Lamar, SC
    Posts
    522
    Thanks!
    "If you've eliminated all other possibilities whatever remains must be the truth."

  9. #9
    Join Date
    Jun 2011
    Location
    Central Indiana
    Posts
    614
    I have built a few. I wish I had pictures but Ill try my best to explain. Let me start by saying that they are not as accurate as the commercially available. Thats why I pay some one for good ones, they put a lot of engineering into it.

    I buy those cheap clamps from harborfreight. The plastic ones with the orange pads. Then I take a cheap bead type thermocouple and run it up inside of the clamp. The shape of the handle of the clamp is U shaped. I run it in the bottom of the U and put the bead in the middle of the orange pad. There is a little grove on the pad that holds the wire nicely. I then fill the U with hot glue and then place hot glue on the pad so that the bead sits uncovered on top of the glue. I wait until the glue is tacky and then form it smooth, including making the pad pipe shaped.

    It makes good contact most of the time but needs a little adjusting sometimes. This method is really only as good as the thermocouple.
    The only true knowledge is the pursuit of knowledge

  10. #10
    Join Date
    Sep 2008
    Location
    Western PA
    Posts
    25,551
    Quote Originally Posted by marter View Post
    My ak900 arnt even a week old and i love then. I do alot of small reach ins with 3/8 and 1/4 lines. The velco ones are good but a pita in a small area
    Cut the velcro off and use millie-ties.

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