I use a number of different types of variable voltage bench power supplies. I run a small company and we cannot afford top of the line equipment and we do not require government calibrated units. My company works on electronic and software designs and I have not only used this unit extensively I have also taken the cover off and looked at the internal design, not because there was an issue, but to compare it to a similar looking unit that had a very bad design which failed hence needing to purchase this replacement.
We use these PSUs to power small dc devices that we need to test at a specific voltage and current. In most cases we are running at fairly high percentage current draws of 3-4Amps and switching the equipment on and off repeatedly throughout the day. Although we always ramp the voltage up before turning it on and down before turning it off, the unit gets a lot of use perhaps 20 -30 cycles a day.
To date the unit has proved reliable and although the heatsink gets warm, there is nothing cooking under the hood and the unit reliably and consistently delivers the set voltage and current required for the tests. Inside the unit is professionally manufactured with a well thought out layout, good circuit design and professional component soldering and connections unlike some other similar units on the market.
Overall I am very pleased with this PSU, consider it good value for money and would recommend it to others.
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