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Siglent SPD3303X(-E) calibration FW1.01.01.02.07R2 - best practice

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Mortymore:

--- Quote from: sy on March 11, 2024, 11:59:26 pm ---...
I am not sure if these things are suitable to calibrate the SPD3303x(-e)
...

--- End quote ---

I have one Atorch DL24 and after connecting this Load to 3 linear PSUs in CC mode, I have to say that the load is not very stable. It was set to draw 500mA, but it was constantly adjusting the current, usually jumping between 497mA and 503mA.

For a budget solution I'd rather go for the method of the beefy load resistors suggested by BreakingOhmsLaw, on par with a good ampmeter and voltmeter. As long as you can measure accurately the load current, a resistor would be more stable.

rolfdegen:
Hello friends of electronics and technology :)

I have had a Siglent SPD3303X-E for three years and with your help I was able to calibrate the power supply today. I used EasyPower for the calibration. It didn't work with PuTTY.
Thank you very much for your help here in the forum  :-+

rolfdegen:
Hallo Friends :)

I have an SPD3303X-E with firmware on SPD3303X. Today I did a firmware update to SPD3303X firmware - 1.01.01.02.07R2 (release date 02.05.21).
Worked well with no errors.I noticed that shortly after powering on and the screen logo appears, the relays click once. I didn't have that in the old firmware. Is that normal  :o

Video: https://youtu.be/zkDXdXI9CcU

blurpy:

--- Quote from: rolfdegen on April 02, 2024, 07:49:37 pm ---I have an SPD3303X-E with firmware on SPD3303X. Today I did a firmware update to SPD3303X firmware - 1.01.01.02.07R2 (release date 02.05.21).
Worked well with no errors.I noticed that shortly after powering on and the screen logo appears, the relays click once. I didn't have that in the old firmware. Is that normal  :o

Video: https://youtu.be/zkDXdXI9CcU

--- End quote ---
Mine does exactly the same. Guessing it's how it is supposed to work. I don't remember how it was with older firmware or if it changed.

rolfdegen:
Thanks for your information  :-+

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