Piezoceramics for Sensor Technology

Applications for Piezoceramic Sensors:

Piezoceramics in sensors

Automotive

  • Level Sensors (oil & fuel)
  • Parking distance control
  • Knock sensors
  • Acceleration sensors (wheel balancing machine)

Industrial applications

  • Ultrasonic distance sensors
  • Flow rate measurement (water & heat metering)
  • Level sensors (storage silos)
  • Leakage detection
  • Ultrasonic counters
  • Burglar alarms & property protection

Medical technology

  • Ultrasonic diagnostics and therapy

Materials for sensor applications

SONOX® P5, SONOX® P502, SONOX® P504, SONOX® P508, PZT 503, PZT5A1, PZT 5A4, PZT5H1
  • Permittivity in between 1000 and 2000
  • High piezoelectric activity (d33 ≥ 400 * 10-12 C/N)
  • Low mechanical quality factor (≤100)

Sensor applications are mainly combined systems in which the piezoceramic is used as ultrasonic-transmitter on the one hand and as a receiver on the other hand. SONOX® P502 and SONOX® P504 are specially developed materials with a high rate of thermal and temporal stability. For this reason, they are very suitable for automotive applications in the area ranging from –40 to +160º Celsius.

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