Author Topic: Korad KEL-103 Electronic Load Problems  (Read 11225 times)

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Offline rogersstuart

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Re: Korad KEL-103 Electronic Load Problems
« Reply #25 on: January 22, 2021, 06:53:36 am »
Thank you for your feedback with your working unit.
Do you have the 4.1 version of the PC utility (and maybe you can share it)? Thanks you

My Korad came with KEL103 assistant v1.2.1 that is not working over the network (because of the broadcast to 255.255.255.255 issue). Could you share your v4.0 software? It is probably much better that this.

Thanks!

I was thinking about this earlier today and read a few posts. I had written a C# utility library a while back but it wasn't very useful unless you wanted to write a C# application. All this thing needs is a UDP to TCP server to access it using normal tools. So, I slapped one together today. It will automatically find the KEL103 and start the server. Then you can use something like PyVISA or Keysight Connection Expert to interact with it. Here's the link. https://github.com/rogersstuart/KEL103Driver
 
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Offline Helix70

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Re: Korad KEL-103 Electronic Load Problems
« Reply #26 on: January 25, 2021, 12:54:19 am »
Can anyone tell me the distance between the binding post centres for this unit? What is the diameter of the posts?
 
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Offline rogersstuart

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Re: Korad KEL-103 Electronic Load Problems
« Reply #27 on: January 26, 2021, 12:32:58 am »
Can anyone tell me the distance between the binding post centres for this unit? What is the diameter of the posts?

About 30mm. 6mm in diameter.
 

Offline Helix70

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Re: Korad KEL-103 Electronic Load Problems
« Reply #28 on: January 26, 2021, 12:52:08 am »
Thanks.
 

Offline elor

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Re: Korad KEL-103 Electronic Load Problems
« Reply #29 on: August 19, 2021, 12:24:47 am »
got the Multicomp Pro MP710259 which is basically the same as konard 300w the display stopped working
anyway to get the schematics for those units?
 

Offline diodak

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Re: Korad KEL-103 Electronic Load Problems
« Reply #30 on: August 19, 2021, 07:12:00 pm »
And the control via RS232 works or only the lack of displaying parameters?
 

Offline elor

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Re: Korad KEL-103 Electronic Load Problems
« Reply #31 on: August 19, 2021, 09:49:34 pm »
dont know i need to find a windows pc for the software installation
but from the way it looks it might just be a cold joint or something the display blink shortly at power off
and the jog wheel beeps it is just the display that is not working
 

Offline EHT

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Re: Korad KEL-103 Electronic Load Problems
« Reply #32 on: January 26, 2022, 10:42:01 am »
I'd be grateful for an update from owners of the KEL-103 / Tenma 72-13210 on the verdict after longer ownership. Specifically:
  • Did people experience further faults, if so, has it been possible to fix them, has it been possible to get hold of the service manual?
  • Do the units drift out of calibration (as per the original topic), if so, does the procedure posted above (in PDF) successfully recal them?

See also this thread

 


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