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How to calibrate Siglent SPD1000X / SPD3303X / SPD3303X-E series power supplies?

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CDN_Torsten:

--- Quote from: mawyatt on November 20, 2021, 01:26:34 pm ---The UI is not well done with the "fine" button and arrow keys (usage makes no sense, frustrating, and potentially error prone), and why they placed the output jacks at non-standard spacing is inexcusable!

--- End quote ---

The UI fine/arrow keys are the WORST implementation I have ever used.  It confuses me every time.  On what planet is this arrangement normal?
...and then there is the spacing of the output jacks. :palm:

BreakingOhmsLaw:

--- Quote from: C.J.S. on November 20, 2021, 10:52:16 pm ---
--- Quote from: BreakingOhmsLaw on November 20, 2021, 10:38:12 pm ---Well, the one thing that makes it absolutely useless for any serious lab use is, that you CANNOT DISABLE the beep when it goes in to CC mode. WTF Siglent?

--- End quote ---

In my experience the PSU only beeps when it goes in CC mode in combination with a very low output voltage. If you load the output of the PSU with a DMM in Ampere range connected to ground, you will get the beep. But if the output voltage is above a certain threshold voltage, the PSU does not beep. I don't know the exact threshold voltage, but I think it is below 1V. I expect that when using the PSU to charge batteries with the PSU in CC mode, it will not produce a beep.

--- End quote ---

You are right. I was using an electronic load, and that obviously nearly short circuits it. On higher voltages it does not beep.
Still, this should be configurable IMHO.

Bad_Driver:
I have to agree with all the negative feedback.
Now I own 5 Siglent devices and Santa Claus announced the arrival of an SSA3021X+ (thanks to SWMBO).

But I'm unhappy with the SPD3303X-E.
Yes, it produces DC, low noise and it has a hard power switch. But this is all positive what I see.... :-//

- the UI is a nightmare. (usage of arrow keys and "Fine" key and rotation knob)
- the weak binding posts are so cheap and unreliable
- the provided "software" looks like a DOS-program from the 90s
- the missing of an energy measurement function (mAs or Ah) - a simple multiplication!

still my both RIDEN 6018 have a much better user interface.  |O

Conclusion:  the SPD is heavily overpriced!
I'll keep it because it's paid with an not awaited small gratification from my employer as Amazon gift card.

oz2cpu:
EXACTLY.. odd random low frequency regulation noise,
see more here :
https://youtu.be/BBW8dv2ImOc
and see that attached picture, when comparing to a dead cheap ebay psu

anyone figured out how to fix this ?

Bad_Driver:
Hi oz2cpu,

I will try it, what load have you used? Open output, low R or SDL1020??

B.D.

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