Products > Test Equipment
Inside the new Korad KA3305P linear PSU
pascal_sweden:
Is it better than or similar to the Siglent SPD3303X power supply?
dom0:
--- Quote from: torch on December 03, 2015, 11:30:13 pm ---I think I read somewhere that those recessed terminals are a European safety requirement. So you can't fry yourself if you accidentally come in contact with 30VDC. Perhaps the screw terminals on the rear are duplicates of the front panel outputs to make up for the lack of screw posts on the front?
--- End quote ---
No and no. Most likely the rear screw strip is for the added sense lines, since I can't see anything like sense contacts on the front panel.
The product image above looks shopped anyway. The angle of the shrouds inside the 4 mm sockets doesn't match the angle of the front panel.
SantaClaw:
--- Quote from: TopLoser on December 07, 2015, 06:11:45 pm ---Insides look very similar to what's in these:
http://uk.farnell.com/tenma/72-10505/power-supply-3ch-30v-3a-adjustable/dp/2251949
--- End quote ---
Control board looks nothing like it:
Korad:
vs
Tenma:
vs
Korad:
The Tenma looks to be an older design, as it's very similar to what was tested here (2012):
Otherwise it's not programmable, only 3a per channel, for a total of 6a max in series, I need at least 5a per channel for my usage. Thanx for the offer, but no thanx, it's not what I'm after.
torch:
--- Quote from: TopLoser on December 07, 2015, 07:24:08 pm ---'That thing', I like that description of them!
--- End quote ---
So give us a better one.
I can appreciate that you might not have enough margin at that price to send one "down under" to a man who makes room on his bench by throwing $10,000 scopes to the floor, but as a vendor, you must have one around that you could open up and demonstrate to us. You know what we want: pros, cons, specs, real world tests and lots of pictures.
Who knows? Maybe you'll attract the interest of someone who wants a bench supply but doesn't need 5 amps per channel or a programmable interface.
TopLoser:
--- Quote from: torch on December 08, 2015, 07:00:37 pm ---
--- Quote from: TopLoser on December 07, 2015, 07:24:08 pm ---'That thing', I like that description of them!
--- End quote ---
So give us a better one.
I can appreciate that you might not have enough margin at that price to send one "down under" to a man who makes room on his bench by throwing $10,000 scopes to the floor, but as a vendor, you must have one around that you could open up and demonstrate to us. You know what we want: pros, cons, specs, real world tests and lots of pictures.
Who knows? Maybe you'll attract the interest of someone who wants a bench supply but doesn't need 5 amps per channel or a programmable interface.
--- End quote ---
See the teardown above, that's exactly what the Tenma ones are. The dual channel ones are just two identical sets of boards in one case.
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