It would be a pity to waste power (albeit not much) heating up a resistor just to ensure that the PSU was loaded. As you say, the one you linked to is regulated, and therefore did not ought to go appreciably above 5V even if open-cct. However, as bernard has said, it would be more sensible to go with the 3.3V (regulated) 'sister' of the psu you found (click here) , in which case you could be certain that the voltage would never exceed 5V, even when open-cct.
You're welcome. The only potential issue with the power supplies you're looking at is that they are really designed for PCB (or, at least, stripboard) mounting- are you going to be able to deal with that OK?
Soldering with a blowtorch , a pot of flux & solder may be an issue lol. I often repair burnt relays & the like on pcbs so hopefully I will think of a way. Maybe that Maplin blank pcb (stripboard?) or maybe solder direct to some cable. I will put all four in a box ( with the four data log adaptors) with 4 x K type plugs for the input to the logger & a strip of terminal block for the 4 twin 220v inputs. Something along those lines anyway.
Oh, I don't know about that - what is 0.08mm 'between friends'
True, but I would be very surprised if, like me, you haven't been known to 'tweak' things, even when it's an inch apart (0.4mm, not 0.8mm, hence 0.2mm per pin) - one just has to be careful. Decades after 'metrication' hit us, this 2.50 vs. 2.54 issue remains quite common!
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