Like these power supplies!
I used these power supplies for all labs when I was an undergrad in computer engineering at one of the major Canadian engineering schools. Basically any lab that required a bench supply had the Instek GPS-3303's in them. They were always reliable, and I'm not aware of any that ever failed (and with each lab having probably 40 of them, and there were many labs that had these supplies, there were a LOT of them). Especially nice was the output enable/disable button, allowing you to set the voltage/current limit of each channel without the output enabled, rather than shorting the output to set the current limit as you have to do on supplies without this feature. Overall a great bench non-programmable power supply!
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