Author Topic: Reasonable but low cost differential probe for Siglent SDS1104x-e  (Read 4371 times)

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Offline pendoricTopic starter

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I am about to be the proud owner of a Siglent SDS1104x-e and wondering if anyone has any recommendations on a reasonable but low cost differential probe for this. Mainly used for mains PSU and Audio Amplifiers (perhaps some tube work down the road). Not looking for massive voltages but a few hundred would be good.

 

Online tautech

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Re: Reasonable but low cost differential probe for Siglent SDS1104x-e
« Reply #1 on: December 02, 2020, 04:08:55 am »
The Pintek DP-25 entry level diff probes are OK if you can find a local source.
http://www.pintek.com.tw/product_detail/landersound/index.php?Product_SN=19265&Company_SN=6002&Product_Site_Classify_SN=17072

Dave offers these:
https://www.eevblog.com/product/hvp70/

Otherwise for non demanding tasks Siglents ISFE:
https://siglentna.com/product/isfe-isolated-front-end/
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Some stuff seen @ Siglent HQ cannot be shared.
 

Offline nctnico

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Re: Reasonable but low cost differential probe for Siglent SDS1104x-e
« Reply #2 on: December 02, 2020, 05:58:34 am »
Look for the ones from MicSig. Cheaper and in some cases better compared to what Tautech suggested.
There are small lies, big lies and then there is what is on the screen of your oscilloscope.
 

Offline Kjelt

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Re: Reasonable but low cost differential probe for Siglent SDS1104x-e
« Reply #3 on: December 02, 2020, 07:52:06 am »
Agree with Nico, only downside is that the least attenuation is 50x

https://eleshop.eu/dp10013-differential-probe-100-mhz-1300v.html
 

Offline rf-loop

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Re: Reasonable but low cost differential probe for Siglent SDS1104x-e
« Reply #4 on: December 02, 2020, 08:01:01 am »
Agree with Nico, only downside is that the least attenuation is 50x

https://eleshop.eu/dp10013-differential-probe-100-mhz-1300v.html

https://goughlui.com/2018/12/16/review-eevblog-hvp-70-70mhz-micsig-dp10013-100mhz-high-voltage-differential-probes/

If  needs are like OP's and if I need select between Pintek said model, and these two HVP-70 and DP10013 there is no no more word but: Micsig DP10013.
(But if needs are different, isolation max V and CAT class need look carefully ...)
« Last Edit: December 02, 2020, 08:05:59 am by rf-loop »
EV of course. Cars with smoke exhaust pipes - go to museum. In Finland quite all electric power is made using nuclear, wind, solar and water.

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Offline CDN_Torsten

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Re: Reasonable but low cost differential probe for Siglent SDS1104x-e
« Reply #5 on: December 02, 2020, 11:15:25 am »
I would also recommend the Micsig DP10013.  I've had mine for a few years and used it daily while working on ultrasonic arrays.  The price is reasonable for the performance.  Most scopes can customize the channel attenuation to match the output of the DP10013 (sorry don't own a Siglent scope)
 

Offline Elasia

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Re: Reasonable but low cost differential probe for Siglent SDS1104x-e
« Reply #6 on: December 02, 2020, 12:24:21 pm »
+1 For the micsigs, i have a handful of them

http://www.micsig.com/html/41.html

I'd get a DP10013 and a DP10007

You could get two of them and use which ever the better case is for the attenuation and voltages
« Last Edit: December 02, 2020, 12:29:51 pm by Elasia »
 
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Offline smaultre

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Re: Reasonable but low cost differential probe for Siglent SDS1104x-e
« Reply #7 on: December 03, 2020, 03:27:11 pm »
You can buy Tektronix 1103 PSU, and use any Tekprobe with any scopes (some needs 50Ohm input support for scope)
Tektronix probes are really cheap on Ebay!!


i bought 1103 for 120$ and P5205 for a 100$(with cut on High voltage wire) wire was replaced and i got universal PSU for cheap probes+ Greate 100MHz probe.. Same LeCroy is over >>500$..

« Last Edit: December 04, 2020, 06:51:56 am by smaultre »
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Offline Elasia

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Re: Reasonable but low cost differential probe for Siglent SDS1104x-e
« Reply #8 on: December 04, 2020, 11:50:11 am »
You can buy Tektronix 1103 PSU, and use any Tekprobe with any scopes (some needs 50Ohm input support for scope)
Tektronix probes are really cheap on Ebay!!


i bought 1103 for 120$ and P5205 for a 100$(with cut on High voltage wire) wire was replaced and i got universal PSU for cheap probes+ Greate 100MHz probe.. Same LeCroy is over >>500$..

One thing i dont do is bet my life on used diff probes if applied to high voltage lines
 

Offline smaultre

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Re: Reasonable but low cost differential probe for Siglent SDS1104x-e
« Reply #9 on: December 05, 2020, 10:40:13 am »
One thing i dont do is bet my life on used diff probes if applied to high voltage lines
I'm a technical professional, I revise this probes during the wire "replacing"  ant test the HV input part for leakage.
There's simple hi-Ohm dividers on inputs there no chance to broke with possible operator harms  :-+..
Of course, i do not use, just purchased as a "parts" probe, on High Voltage, only after check)).
« Last Edit: December 05, 2020, 10:45:47 am by smaultre »
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