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Buying power supply

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T4P:
the extra 210$ is for GW Instek's EXCELLENT quality & build.
It's like a alternative to a TTi but with nonetheless great quality & NO SAMWHA CAPS! Won't find them there ... GW Instek don't do such sneaky business unlike TTi ...

mickpah:
I bought one of these MANSON SMPS a couple of days ago  http://www.manson.com.hk/en/dcpowersupplies_detail.php?m=3&id=32
looks like the OEM for Extech http://www.extech.com/instruments/product.asp?catid=39&prodid=207 which sells here for twice as much

got it here
ebay :http://tinyurl.com/avokebf

I stripped it down for a safety check and looks good , very solid, clean unit. Haven't done any performance check yet - no time , but so far so good.
All going well I will probably get one of their linear supplies later
Dave also did a tear down of one of their 40A supplies  EEVblog #272

jwrtiger:
NemoVanHelden,


Looks like a nice supply but I am not familiar with that company.  You should be able to use it as a split power supply as robrenz suggested.  Some supplies have an internal relay that connects them in series mode.  I run most of my supplies in series mode for opamp circuits and that way I can get +/- 15 volts if needed.  I like the power output on-off switch and the remote sensing on the one you are looking at.  I have a remote switch box because mine doesn't have output on-off switching but a nice feature of my box is one switch turns off both the positive and negative voltages to the breadboard at the same time.

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