Products > Test Equipment
Yet Another DMM Indecision Post
KungFuJosh:
--- Quote from: tautech on May 10, 2023, 10:03:24 pm ---SDM3055 = SDG2042X fan noise, not bad but you know, the less the better.
Read that thread again, SDM3045X = China version SDM3055X-E = 5.5 digits for the 4.5 digit cost....and no fan !
The only difference is product type, set by code and firmware.
Here we sell 3045X to repair shops where instead of HH DMM's each repair bench sports a bench meter too.
Either model has been very reliable and when you get the customer come back for further units it says something about their satisfaction with them.
--- End quote ---
I suppose I could put that extra $100 towards another HH DMM if I get bored. 🤣
What program am I supposed to use to edit the ADS file? Does every new firmware version need the ADS file edited, or does that only need to be done if switching between versions?
Thanks
tautech:
--- Quote from: KungFuJosh on May 10, 2023, 10:21:38 pm ---What program am I supposed to use to edit the ADS file?
--- End quote ---
Not sure but I guess any decent file editor can do it. The OS is Linux so the ADS file format is one of theirs.
Ask Mr Google.
--- Quote ---Does every new firmware version need the ADS file edited, or does that only need to be done if switching between versions?
--- End quote ---
No just once to change the SDM3055X-E firmware product type for SDM3045X to accept it and thereafter use only SDM3055X-E firmware.
KungFuJosh:
--- Quote from: tautech on May 10, 2023, 10:42:37 pm ---
--- Quote from: KungFuJosh on May 10, 2023, 10:21:38 pm ---What program am I supposed to use to edit the ADS file?
--- End quote ---
Not sure but I guess any decent file editor can do it. The OS is Linux so the ADS file format is one of theirs.
Ask Mr Google.
--- End quote ---
Mr Google said any text editor, but it failed to mention you need to use a binary file or hex plugin. I can open it now, but the line starting with "b8 8e b4 c9 9f..." is only in the original version tv84 helped with. Seems like I have to start with that same version and then flash the newest one?
--- Quote ---
--- Quote ---Does every new firmware version need the ADS file edited, or does that only need to be done if switching between versions?
--- End quote ---
No just once to change the SDM3055X-E firmware product type for SDM3045X to accept it and thereafter use only SDM3055X-E firmware.
--- End quote ---
That's pretty cool.
Thanks,
Josh
tautech:
No I believe the great tv84's product type code can be inserted into any SDM3055X-E firmware for SDM3045X to see it as the correct product type firmware and install it.
We have tools to fix stuff should be required. ;)
KungFuJosh:
--- Quote from: tautech on May 10, 2023, 11:22:40 pm ---No I believe the great tv84's product type code can be inserted into any SDM3055X-E firmware for SDM3045X to see it as the correct product type firmware and install it.
We have tools to fix stuff should be required. ;)
--- End quote ---
Well, I ask because that first line of code from the original is different in the newest version. It was the 1st line in the old version, should I assume the 1st line would need to be edited again?
It's possible I already ordered it...now I need to clean my workbench and make some room. 😬
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