Electronics Forum: t.c (Page 1 of 7)

Thermocouple Repair Tips

Electronics Forum | Fri Jan 18 10:55:53 EST 2002 | cebukid

Okay here's what happened. We've got a "bonepile" of old obsolet profile boards with thermocouples attached. I asked the production Supervisor, could he have one of his people DE-SOLDER the T/C's, put them in a bag, and give them to me. So, what h

Anyone know what Solder lead use to connect Thermocouple wire to PCB?

Electronics Forum | Mon Jan 19 22:59:52 EST 2015 | mac5

Carl, You can use a high temp solder to connect your T/C's but we use Kapton or glass tape so the T/C's can be reused. Mac

Conceptronic HVAC102 oven problem

Electronics Forum | Sat Oct 10 02:59:53 EDT 2015 | aemery

AVCOM, I have worked on a few of the Conceptronic ovens recently for one of my clients. They had a similar issue, all the heaters dropping out with a high temp circuit error which kicks out CON1 (Heater power). If you're saying what I think your sa

Type K thermocouple for Super M.O.L.E

Electronics Forum | Sat Nov 03 05:19:59 EST 2001 | Ben

Hi I have question about thermocouple type use for Super M.O.L.E. I found in some article that type K T/C (Nickel-Chromium vs. Nickel-Aluminum) may suffer from temperature cycling hysteresis at above 250 degree C and also diffecult to solder. Now

Thermocouple Repair Tips

Electronics Forum | Mon Jan 21 16:58:00 EST 2002 | cebukid

Dave, Can you provide info. on some T/C manufacturers willing to perform repair services? Thanks.

Thermo runaway

Electronics Forum | Thu Jan 25 15:58:49 EST 2007 | slthomas

Does the t/c read the actual skyrocketing temperature (you could confirm with a profiler if you wanted to leave it running while it's setting itself on fire) or something much lower than reality, driving the heaters harder? I would probably start sw

Reflow Profile Design

Electronics Forum | Fri Jun 15 11:34:49 EDT 2007 | cman

What is the board finish? Did you profile built assy and get the temps on the board with a t/c in the board? DId you drill the BGA and get the t/c at the ball? When the parts came off the board did all of hte solder come off the pads and stay with th

Re: Reflow Profiling

Electronics Forum | Fri Nov 27 13:04:47 EST 1998 | Phillip Hunter

| Hi | I have been conducting my first reflow profiles. Most of the texts that I have read suggest soldering the thermocouples to a populated pcb. I am finding this very difficult. I have been using a high melting point (Sn5 / Pb95) solder and the

Internal Oven Calibration

Electronics Forum | Sat Feb 11 18:33:36 EST 2006 | KEN

One factor everyone overlooks is that furnace and external T/C wires are (generally) not calibrated. Unless you are sending your wires to a lab for NIST characterization your T/C wires are NOT calibrated. They (new wires)operate within a specifie

maximum number of reflow cycles for rigid PCB?

Electronics Forum | Thu Mar 15 12:33:50 EDT 2007 | ck_the_flip

To do a profile at most companies, if you don't have a scrap board handy, you'll use the already-soldered board that's already been through ONE reflow cycle. You spend time attaching T/C's with the aluminum tape - after all, the prep-work is half th

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