The AT225 Airducer® Transducer from Airmar Technology Corporation operates at a best frequency of 228 kHz, with a minimum transmit sensitivity of 101 dB re 1µPa/V at 1 m and a minimum receive sensitivity of -180 dB re 1V/µPa. It features a sensing range from 8 cm to 2.5 m, with a typical range of 10 cm to 1.5 m. The transducer has a beamwidth of 15° and can handle a maximum driving voltage of 500 Vpp at a 2% duty cycle. Constructed from glass-filled polyester with a glass-reinforced epoxy acoustic window, the AT225 is designed for rugged environments and operates within a temperature range of -40°C to 90°C. Weighing only 4 g, it is suitable for various applications including level measurement, automation control, proximity detection, obstacle avoidance, robotics, and flow measurement. The transducer is available in a standard 2-wire version, with optional circuit board mounting pins.