Author Topic: Siglent SDL1030X vs. Rigol DL3031A - Which is better?  (Read 540 times)

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Offline TBS

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Siglent SDL1030X vs. Rigol DL3031A - Which is better?
« on: June 30, 2019, 09:03:35 pm »
Hello everyone,

I would like to ask professionals about which DC load to buy. I am deciding between:
Siglent SDL1030X-E (or SDL1030X) and
Rigol DL3031 (or DL3031A)

Seems like the Siglent is newer, but they have pretty much the same stats and I am not sure which is better to invest money in.
Thx
 

Offline BillB

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Re: Siglent SDL1030X vs. Rigol DL3031A - Which is better?
« Reply #1 on: June 30, 2019, 09:31:47 pm »
The SDL1030X-E is so new I don't think anyone has reviewed one yet.  However, functionally it is probably just about the same as the SDL1020X-E which has had some hands-on here:

https://www.eevblog.com/forum/testgear/siglent-sdl1000xsdl1000x-e-electronic-load/
 

Offline TBS

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Re: Siglent SDL1030X vs. Rigol DL3031A - Which is better?
« Reply #2 on: July 01, 2019, 12:23:31 am »
Thx for the info.
I was hoping for something like "you definitely want Rigol or Siglent because ..." :D
 

Offline BillB

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Re: Siglent SDL1030X vs. Rigol DL3031A - Which is better?
« Reply #3 on: July 01, 2019, 12:45:38 am »
Thx for the info.
I was hoping for something like "you definitely want Rigol or Siglent because ..." :D

Be careful what you wish for.  That phrase is like a little drop of blood, and this forum is an ocean of hungry sharks.  ;D 
 
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Online nctnico

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Re: Siglent SDL1030X vs. Rigol DL3031A - Which is better?
« Reply #4 on: July 01, 2019, 03:43:23 am »
Thx for the info.
I was hoping for something like "you definitely want Rigol or Siglent because ..." :D
What do you require? There are more expensive loads and there are cheaper loads. And then there is also Ebay with lots of used DC loads from HP/Agilent and Transistor Devices.
Depending on what your budget is you might want to look at GW Instek as well. Their newer PEL-3000 series DC loads appearantly have hardware control loops just like the high end DC loads. Prepare yourself for a much higher price but the control loop performance is also much better compared to the more simple low cost DC loads.
There are small lies, big lies and then there is what is on the screen of your oscilloscope.
 

Offline TBS

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Re: Siglent SDL1030X vs. Rigol DL3031A - Which is better?
« Reply #5 on: July 03, 2019, 05:45:38 am »
Be careful what you wish for.  That phrase is like a little drop of blood, and this forum is an ocean of hungry sharks.  ;D
Well, I appreciate a good debate even with sharks :)

What do you require?

About the eBay - I would buy from there, but I am from Czech Republic (Europe) and everything bought outside EU will have 21 percent added to the price. I would also like to have at least 3-year warranty and not need to send it to different country just to have it repaired. Sooo, my market is not so big.
Not sure what hardware control loops are and how important is that, but the price of PEL-3031E is twice what would Siglent SDL 1030X-E cost here.

I would like the price to be around 800EUR (900USD) and 1200EUR (1300USD) is a top right now.
I just want to get the best at this price range :)
 

Online tautech

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Re: Siglent SDL1030X vs. Rigol DL3031A - Which is better?
« Reply #6 on: July 03, 2019, 06:35:11 am »
The Czech agents for Siglent from this website are:
https://www.siglenteu.com/how-to-buy/

Czech Republic
AMT měřicí technika, spol. s r.o.
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 420 (0)281 925 990
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Czech Republic
Micronix
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PRIMA BILAVČÍK, s.r.o.
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Offline TheDefpom

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Re: Siglent SDL1030X vs. Rigol DL3031A - Which is better?
« Reply #7 on: July 03, 2019, 10:34:31 am »
I will be doing a review video once I get my hands on one, hopefully it won't be too far away.

Online tautech

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Re: Siglent SDL1030X vs. Rigol DL3031A - Which is better?
« Reply #8 on: July 03, 2019, 12:03:01 pm »
I will be doing a review video once I get my hands on one, hopefully it won't be too far away.
Monday week all going well Scott but it'll only be the 200W SDL1020X model.
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Online nctnico

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Re: Siglent SDL1030X vs. Rigol DL3031A - Which is better?
« Reply #9 on: July 05, 2019, 10:27:59 am »
Not sure what hardware control loops are and how important is that, but the price of PEL-3031E is twice what would Siglent SDL 1030X-E cost here.
With a hardware control loop the DC load is less likely to oscillate in some cases (especially when using a source which isn't a pure voltage source). I have a couple of Array 3710A DC loads which I bought years ago for the easy stuff.
« Last Edit: July 05, 2019, 10:30:37 am by nctnico »
There are small lies, big lies and then there is what is on the screen of your oscilloscope.
 

Offline TBS

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Re: Siglent SDL1030X vs. Rigol DL3031A - Which is better?
« Reply #10 on: July 06, 2019, 08:10:54 am »
Thx for the info.
I did spec sheet comparison between GW Instek, Siglent and Rigol and at the end I think I am gonna pick the Siglent SDL1030X-E. The stats are not so different, it has lowest price and should have three year warranty. (And I believe that somehow the SDL1030X-E should be convertable to SDL1030X :)
 


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