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AT120 Ultrasonic Level & Proximity Air Transducer

Featured Product from Airmar Technology Corporation

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Industry-Leading Performance for Level Sensing, Proximity Detection, Automation Control, Obstacle Avoidance and More

Airmar Technology is world-renowned for producing the most reliable and high-performing ultrasonic air transducers for use in many of today’s most difficult environments. Our transducers are the go-to choice for engineers and system integrators who demand outstanding quality and unsurpassed performance from every component.

Airmar’s 125kHz AT120 ultrasonic air transducer is a critical component in the development of measurement systems for liquid or solid levels, automation control, proximity sensing and obstacle avoidance. AT120’s rugged PVDF housing provides lasting durability on equipment such as asphalt pavers, agricultural machinery, water/wastewater systems, and in chemically aggressive environments.

AT120 Airducer® Transducer


  • Level measurement
  • Automation control
  • Proximity
  • Obstacle avoidance
  • Robotics


  • Rugged sealed construction
  • Cylindrical design allows for installation in various applications


  • Optional circuit board mounting pins
  • Available in PVDF housing for use in chemically aggressive environments
  • 10 KΩ thermistor available for temperature compensation

LEARN MORE about Airmar's industrial line of ultrasonic air transducers.