AL4 Pressure Sensor Digital Output High Accuracy

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he AL4 pressure sensor is a digital output low pressure sensor. It is composed of a silicon piezoresistive pressure sensing chip and a signal conditioning integrated circuit. The low level signal from the sensing chip is amplified, temperature-compensated, calibrated and converted to digital data that is proportional to the applied pressure. Gauge or differential pressure sensor.


  • NEW! Differential version now available!
  • Gauge - positive, negative and bi-directional
  • Various pressure ranges from 0-1 kPa (.145 psi) up to 0-10 kPa (1.45 psi), depending on model
  • Pressure media: non-corrosive gases
  • Supply voltage (constant voltage): 5 +/-0.25 VDC or 3.3VDC or 3.0 VDC
  • Accuracy of ±1% FS 
  • Dual barbed ports
  • Small size of 11.36 mm x 10.32 mm x 10.32 mm SMT package


  • Battery-operated devices
  • Medical equipment
  • Industial pneumatic devices
  • Consumer devices