Fluke 189 multimeter rotary switch contacts

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  • jm1234
    microwave rotary switch contacts go bad requently
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    Hi, I have a 11 year old microwave Siemens and the main function selector switch is a rotary type. It goes bad every few months, there are carbon (?) pads and the metal contacts that drive on them create concentric circle tracks from the residue.

    I clean the tracks and the metal contacts with IPA and it works few months again. Here you can see the contacts:
    ​
    Once I tried this contact cleaner: Kontakt 60 https://www.tme.eu/Document/3f58feb2...TAKT60.DTE.PDF, but it only lasted few weeks, so probably not a good choice.
    Is there any...
    05-04-2025, 10:45 AM
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    To
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  • CdDvdFlash
    Help to Choose Rotary Switch for Audio Switch Box
    by CdDvdFlash
    I have a project that is an audio switch box I have used an old PC parallel switch box which is 3 inputs with 1 output, I have stereo RCA jacks for the 3 inputs and 1 output and its working well using the original rotary switch but now I need to add another rotary switch for another 3 audio inputs and 1 output but I dont know what type of rotary switch to get. It needs to have the ability to select 1 of 3 positions for the three audio devices and then have 1 output and be able to handle left/right/ground for the stereo RCA....
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  • Natob82
    Micro Momentary Push Switch?
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    Great to be here! I'm a newbie here trying to find a "micro", momentary push switch to repair a Sony "clamshell" video walkman. This micro switch has long since discontinued by Sony, however I hope there are third-party switches of the same size and functionality that I might be able to source to play the same role. The purpose of this switch is to tell the video walkman that the user has activated the mechanical tape eject button, turning that physical action into an electronic signal that tells the tape transport mechanism to open so one can load or eject a video tape. I...
    12-21-2022, 05:22 AM
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