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Electronics Forum | Thu Aug 08 13:09:38 EDT 2013 | cyber_wolf
Hege, there is no actual calibration of the thermocouple itself. You can however verify that they read correctly. Heller sells an option on their reflow ovens specifically for this purpose. I hoping that someone chimes in here that is NADCAP certifi
Electronics Forum | Fri Feb 18 11:30:27 EST 2005 | austinj
Thanx aj and Russ. I will verify my ramp up/down degC/sec and the soak zone peak temp. Fluxes could be burning off prior to activation. I have found access to an old thermal data logger to help verify the Heller thermocouples. I will post updated fi
Electronics Forum | Mon Oct 26 12:56:23 EDT 2009 | rgduval
Eric, Protective sleeve? The sleeving protecting the wires of the thermocouples? I bought mine direct from Heller. I think it was $90 for a set of 3 (my oven uses 3 thermocouples). They are close to thirty feet long (I'm guessing...they're much
Electronics Forum | Mon Jun 22 19:17:07 EDT 2020 | bmalhi
There are many things that can cause this and several solutions. Suggest having Heller Service Tech come in put some thermocouples at various points and determine the best course of action. If in-person visits are not possible at this time, we can wa
Electronics Forum | Wed Aug 13 09:11:19 EDT 2008 | rgduval
Shane, We're assuming that the software is similar to our Heller 1800. We're also assuming that the oven has thermocouple ports, and that you have the thermocouples to plug into them. From the screen that displays the zone data, there should be a
Electronics Forum | Mon Nov 03 13:01:20 EST 2003 | jdumont
Good day all, we have a Heller Reflow oven here that has been in service for about 2 1/2 years now. Aside from 2 thermocouples going bad it hasn't had any problems. My question is, how often should it be serviced for preventative maint. and does an
Electronics Forum | Fri Oct 23 08:24:52 EDT 2009 | rgduval
Eric, I haven't used this oven; but, our Heller has built in profiling. Essentially, attach the thermo-couples to a board, and the appropriate point on the oven, and run a board (without parts). Your paste manufacturer will have published a reco
Electronics Forum | Thu Jan 10 06:52:51 EST 2002 | Dreamsniper
I'm using Kic Profiler and aluminium tape from Kic and thermocouples from Kic. They are good and reliable. I even manage to modify my heller 1088 by adjusting the fix conveyor and re-baffling the oven. Had dropped my 20-22 deg. C delta T down to 4.3
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