Products > Test Equipment
Measuring the temperature of a soldering iron tip
timeandfrequency:
Hi Fungus,
--- Quote from: Fungus on March 04, 2023, 09:53:16 pm ---
Oh, you evil, evil person!
You sent me to the French Aliexpress site so now Aliexpress will be in French forever.
(Not as bad as sending me to the Russian site. People who post links to Aliexpress Russia are destined for a special corner of hell)
--- End quote ---
I would say this could be a good opportunity to learn a foreign language. But I have to mention that the chinese -> french translations on Aliexpress are often outlandish.
Delete the cookies stored in your navigator. This will revert to the default setting (chinese).
shapirus:
--- Quote from: Fungus on March 04, 2023, 09:53:16 pm ---(Not as bad as sending me to the Russian site. People who post links to Aliexpress Russia are destined for a special corner of hell)
--- End quote ---
here you go: https://addons.mozilla.org/en-GB/firefox/addon/global-aliexpress/ :)
shapirus:
--- Quote from: pope on March 04, 2023, 09:55:06 pm ---I also use the 869s to measure the tip but it's a bit of a pain and I s thinking of getting one of these cheapo ones. I'm just not convinced that they can perform well but I might give it a go. Which one do you have?
--- End quote ---
I ordered mine here: https://www.aliexpress.com/item/32882463397.html
Beware, it uses a 9V battery :). It however works fine with those rechargable ones that have a 2s lithium battery and a charging circuit inside with no dc-dc conversion on the output (just as well as my BM869s btw).
smbaker:
I purchased the Hakko on Amazon from a third-party distributor who is listed as an official distributor on the Hakko website. So I'm assuming it's legit.
I don't doubt that I could be measuring the temperature inconsistently with the thermocouple. I just watched a Big Clive video where he showed the same thing, having to fuss around with it a lot, getting inconsistent temperatures depending on how and where he touched the thermocouple to the tip. The measurements I reported earlier were taking the maximum of a number of attempts, but that still doesn't guarantee I received a correct result.
I have ordered one of the cheap testers, ought to be here mid next week. Then I'll run some measurements on the new Hakko and the ancient Xytronic and see if I can get consistent measurements. When the pace arrives, I'll measure that too. I also found a replacement heater for the (less ancient) broken Xytronic. I'll repair it and measure that too!
Ultimately though, the reason why I went down this measurement avenue is because something didn't "feel right" when using the new Hakko, and I wanted an objective measurement. There's something amiss. So I'll see if that objective measurement backs up my subjective impression.
Agree on the Hakko having the worst interface of any piece of equipment on my bench. It's worse than programming a 1980's VCR. It's like some bean counter declared "you must reduce the cost of this product by one more nickel" and the engineer replied, "the only way I can shave off another nickel is to eliminate the down button", and the two-button interface was born. Who in their right mind wants to set each digit of the temperature individually?
Scott
timeandfrequency:
Hi smbaker,
Sure that if your soldering experience is significantely degraded with the Hakko, there might be a botched temperature calibration or PID parameters between iron and station, or a bad thermal coupling between the heating element, the temp sensor and the tip.
However, the thermal inertia of the soldering tip is also very important, and some brands tent to lessen the amount of metal they use to manufacture a soldering tip.
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