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Siglent SDL1000X/SDL1000X-E Electronic Load

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CM:
Tell me one mode where a 3% error for a voltage reading is acceptable.  Where in the user or service manual does it warn you to expect a 3% difference between the display and what you would acquire by a SCPI command? 

tautech:

--- Quote from: CM on August 06, 2024, 11:16:16 pm ---Tell me one mode where a 3% error for a voltage reading is acceptable.  Where in the user or service manual does it warn you to expect a 3% difference between the display and what you would acquire by a SCPI command?

--- End quote ---
Ask NA HQ if they will check Cal for you.
https://siglentna.com/contact-us/

CM:
I was testing in CV mode in the 0 to 36V range.  Looking at the spec, the accuracy for 0 volts is +/- 0.0005 + 0.00025 FS.  If I understand this correctly, full scale is 36V, so 0.00025 of FS is 9mv.  That's more than the 0.003V I observed.  After leaving the SDL on for 2 hours, no-load reading dropped to 0.001V.  If I did this right, it is in spec.  It would be interesting to compare the display readings with SCPI readings.

Martin72:

--- Quote from: CM on August 06, 2024, 08:56:38 pm ---Can you please repost the service manual?

--- End quote ---

Here we go, once again...

mawyatt:

--- Quote from: Martin72 on August 07, 2024, 07:21:54 pm ---
--- Quote from: CM on August 06, 2024, 08:56:38 pm ---Can you please repost the service manual?

--- End quote ---

Here we go, once again...

--- End quote ---

One should be very cautious with this, and can understand why Siglent removed this procedure.

This is confusing and complicated for Instrument Calibration. Not something we're going to be attempting anytime soon, unless Siglent issues a more clear version, and/or someone creates a clearer procedure!!

Best,

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