Products > Test Equipment
Siglent SPD3303X-E Binding Post Issues - Solved
mojoe:
--- Quote from: geekGee on March 08, 2018, 04:40:21 am ---I just received an SPD3303X yesterday from Saelig which I ordered after confirming with them that their units in stock have the newer posts.
I have played with it using a couple flavours of Pomona leads and they fit snugly. I tried a set of Cal Test leads and they did not insert well at all but work fine with my Rigol DP832A.
I guess the current posts are usable but fussy.
--- End quote ---
I just installed new binding posts on my two Siglent supplies (posted about it yesterday). I also have Cal Test leads with the spring-loaded plastic shrouds. I find that the banana plugs go almost all the way in with minimal force. If more force is applied, they insert that last little bit, and the fit is very solid.
You know the Engineer's rule, "If it doesn't fit, force it. If it breaks, it needed fixing anyway." :)
joeyjoejoe:
Is this still an issue for new units being sold? Eyeing this PSU...
Gandalf_Sr:
I have the (modified binding posts) SPD3303X-E and the Rigol DP832, both have their issues - the Siglent binding posts may still be be iffy and I accept that the standards are loose but the DP832 posts have sero issues, all my leads just plug into them and stay put. The DP832 fan was noisy and I replaced it - covered in a post here somewhere - but output 3 shares its -ve pin with output 2 which is kind of irritating and something you have to watch but output 3 is fully adjustable on the DP832 but is just switched on the Siglent plus the Rigol gives full control and display of set and actual voltage and current on output 3 - output 3 on the Siglent is just switched 2.5V/3.3V/5V/3.2A with no display other than on/off. The DP832 UI is a bit odd but intuitive and does everything you need.
The DP832 can be 'upgraded' via Riglol to give 1 mV / 1 mA resolution on all 3 outputs plus LAN, RS232 etc. the only thing it doesn't get is the color DP832A pie-chart display but you can choose what color the display is, I like the cyan blue.
If I was forced to only keep one, I'd have to keep the Rigol DP832 because the binding posts are perfect and the UI is way better, the Siglent display is sort of sexy but it only covers outputs 1 & 2 and it's difficult to read the parameter numbers if I look at it from 45 degrees above when they are selected for adjustment when it's on the bench - I have to crouch and look at it straight on if I want to adjust a parameter while it's live.
joeyjoejoe:
Interesting. Here I was thinking the 3303 was a better purchase.
I did see recently that they have found an unlock to convert the 3303X-E to the 3303X. The DP832 is 100$ more in Canada.
skYfIrE:
Hello EEV community :)
I was interesting to purchase this power supply but after reading your feedback (and I thank you all for sharing) about binding post, I can't consider this Siglent PS as a good choice. So what I've found on market :
- TTi QL355P : programmable, reliable but a bot "oldschool",
- Rigol DP832A : Well equipped but a bit expansive + I don't like the graphic interface,
- Rhode & Schwartz NGE 102 : Good device, maybe this one is less sexy than Siglent 3303X.
Anyone knows an another PS solution for this kind of device for a similar price ? It means with 2 out, ~30V/3A, programmable, 1mV Res, USB, Lan with a LCD sceen.
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