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instek vs Mastech DC POWER SUPPLY

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Yes, I agree too, but many high end supplies, particularly programmable digital ones where control loop and readout are in the same circuit, what you dial is near what you get, but at a price.

For busy production or testing labs, it will save time from using a meter to double check output.  For me, what matters is high stability in the supply output in my little research lab, I can measure as you say, with a meter designed for accuracy.

--- Quote from: cybergibbons on November 17, 2010, 10:23:43 pm ---I forgot to mention - I think that the control and voltage readout are one and the same thing on the PSP-2010, as in, it uses closed loop control.

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--- Quote from: Murphy on November 19, 2010, 02:22:15 am ---Panel meters on equipment shouldn't be trusted to great accuracy anyway. It's good practice to always double check the output with a separate instrument that was designed for accuracy.
I mean I'm sure there is great gear out there with spot-on panel meters but in my experience they're usually just a ballpark estimate.

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