Electronics > Beginners

Best Re-flow Oven for Hobby electronics

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Simon:
Sounds like someone has come up with  a new part number QS-5100 for the old 962, the 962A is a bigger model and then it jumps to a 962C that is massive, I bought one and promply sold it on to work as it was so large but now that I find it easier to manually run the thing I almost prefer it to the smaller oven I got with a temperature controller because the sheer size of the thing makes it react quiker and with a quik on-off of the fans you get a +20C boost in temperature as the hot air from the back is wafted to the front. I did some boards today with inductors that my little oven struggled with but the 962C handled with ease simply due to the power so I would offer that advice to people, think big if you can afford to as it makes life easier than if you are on limited heating capacity.

Nasdrasil:
I don't know... some pictures down here

This is the unit I received twice. This defenately is a T962 even though it says qs-5100 on it. The firmware, the tape, everything points to it.


This is the unit I wanted. This is what you will find on the web and on youtube as a qs-5100. This is also what the store showed me as a picture.


Finally... this is the T962A+. I don't know much about this oven but it looks interesting. A couple of reviews mention some improvements. That... and I'd like to see the software that fomes with it. Haven't found screencaps so far..


flydrive:
That's really frustrating. Aliexpress is usually not too bad .. however in this case it seems the long-running bad reviews of the T962 have caused the manufacturers to start cheating. All my research from a few months ago gave me the conclusion that the QS-5100 really is a different machine made by a different manufacturer altogether. It's not a re-badged T962, it's a similar size but has entirely different electronics, entirely different software and good insulation. It was also very hard to find and more expensive to the point I gave up looking. Looking today I can't find it anywhere I trust, there's no aliexpress vendor I've seen so far today that appears to have the whole range of Qinsi ovens which leads me right to believe they are all selling T962s with a fake faceplate on and hoping people don't send them back. I will say if you find a QS-5100 at the kind of price you'd usually pay for T962, it's not a 5100.

I'd say post the names of the stores but they change names on a regular basis so it's probably not worthwhile.

Nasdrasil:
I could post the names of the stores. I really think this is a way for them to try and get rid of the T962 units. They know they are bad and they also know people prefer other models. I will return my second order today. What I did notice is that the return shipping adres is thesame on both parcels. Now I'm no expert, but these two ovens came from different stores and need to be returned to thesame location?

Anyways... In the mean time I'm over 100 euro's into this story on return shipping alone that I could have spend on components for my projects. Contacting the seller is of no use since they won't reply to my messages. Seriously bummed out about it.

I can't seem to find a "real" qs-5100 anywhere. I will try to see what comes up with more searches on the T962A+. Once I get over this waisted money and if by some miracle I gather up the courage to purchase this model I'll post some pictures on here to let people know what this model is able to do.

flydrive:
I did some more searching today and I can no-longer find the Qinsi ovens on Aliexpress. There used to be a couple of places which sold several machines from their lineup, enough different products I believed they were real. All those links are now 'no-longer available'.
I'm absolutely sure you're right that the sellers are just putting 'QS-5100' as the name and re-badging the old T962s which are pretty much the same size and you are probably right that most of them come from the same place.

I think if you want a real Qinsi your only good bet is
1) finding a real one on ebay somewhere near you which can be inspected
2) buying one direct from Qinsi which you may actually be able to do.

I've also researched the T962A+ and all the other variants and as far as I can tell they are all just versions of the same thing. I don't believe they have changed the firmware nor the basic design, they're still IR and still don't circulate air. I looked into the Puhui ones as well, I wasn't convinced they were more than a small step better if at all. There's another thread somewhere about the Puhui, someone purchased one and was going to report back on it but never did.
I gave up in the end deciding they were all probably mediocre. I did note the comment from yesterday (I think) about getting one of the large ones and how much more that poster liked it.

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