ACPM Charge Amplifier

A solution for instantaneous and maximum cylinder pressure measurements

The ACPM is a Piezoelectric Multichannels Charge Amplifier. It makes it possible to condition up to 4 cylinder pressure sensors, while offering monitoring capabilities (Pmax and speed). Simple and user-friendly, the ACPM is compatible with all combustion analysis systems and more especially tailored for OSIRIS.


  • Compatible with all piezoelectric pressure sensors
  • High bandwidth of 300 kHz
  • PMAX and engine speed monitoring (relay outputs)
  • Built-in calibration function
  • Instantaneous or maximum pressure display
  • Engine speed display
  • Front face reset button
  • Manual or software configuration
  • Intake pressure management via an input signal or a constant

ACPM Charge Amplifier


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