AT120 Airducer® Transducer Airmar’s 125 kHz 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. Applications Level measurement Automation control Proximity Obstacle avoidance Robotics Features Rugged sealed construction Cylindrical design allows for installation in various applications Options Available in PVDF housing for use in chemically aggressive environments 10 Kω thermistor available for temperature compensation