A processing circuit for handling concrete mixer moisture content detected signal

The utility model discloses a processing circuit for handling concrete mixer moisture content detected signal, including the low pass filter unit that is used for filtering high frequency interference signal for stabilize the compensation unit of moisture content detected signal, be used for keeping apart surge interfering signal's isolation unit and the amplifying unit that is used for enlargeing the moisture content detected signal, the signal input part of low pass filter unit connects moisture content detection module's signal output part, and compensation unit's input is connected to the output of low pass filter unit, and the input of keeping apart the unit is connected to compensation unit's output, and the input of amplifying unit is connected to the output of keeping apart the unit, and the output of amplifying unit links to each other with AD conversion module's input, the utility model discloses have stronger interference immunity and practicality.