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Hi, could anyone tell me what the resistance range is for a standard Rotax CHT probe / sender?

Many thanks!
=bill
  • Re: CHT Sender resistance

    by » 11 years ago


    Bill,

    Don't know which sender you have, but you can go to the VDO catalogue at www.partsforaircraft.co.uk/downloads/vdocatalogue%20and%20TECH%20info.pdf and get resistance values for whatever sensor you have. Best way I've found to check them is to remove the sensor, use jumpers on the sender and ground, turn on the instrument, and dip the sender in boiling water. If you get a reading of 212f or 100c your sender is good.

    Bill.

  • Re: CHT Sender resistance

    by » 11 years ago


    Thanks Bill.

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