Bambu Studio AMS moisture sensor

Hello everybody
I noticed after the last Studio update that the AMS section do not shows moisture level in % but it is changed to ABCDE ranks.
Why?

Hi
I noticed the same; I couldn’t find any notes in the release changes.
The issue has been pointed out in the BambuStudio GitHub page (Humidity (percentage) reporting is inconsistent across AMS1/2, Bambu Studio/Handy/Connect, X1C/H2D Display · Issue #7867 · bambulab/BambuStudio · GitHub), but there have been no replies, nor has anyone been appointed to solve it.

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Just as an FYI, my AMS2 Pro with P1S is working with RH % with the latest Studio on Windows (2.2.0.85).
The issue may be specific to certain hardware.

Lustig,
an meinem P1S wird die Feuchtigkeit des AMS mit Buchstaben und mein AMS HT in % angezeigt…
Warum auch immer …

Maybe this is the message to consumers to switch to the latest models of the AMS

Yeah, for me it’s only showing the letters instead of a percentage on the X1Cs. Thr P1Ss are still showing percentages.

Theres a new wiki page regarding this topic:

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Good spot by print.in.3d
The TLDR is that

  • AMS displays a level A (dry) to E (wet)
  • AMS2 Pro and AMS HT display a percentage.