Ultrasonic Air Transducer Technical Data Sheet Airmar ultrasonic transducers deliver the highest level of performance in the most challenging environments and they are the key component for our customers success and their applications. Our precision tuned air-ranging transducers are tried and true performers, even when used for difficult tasks. American-made from the highest quality materials, Airmar’s ultrasonic transducers provide reliable, long-lasting excellence to any measurement system. 50 kHz AIRDUCER® Ultrasonic Transducer Applications • Level measurement • Open channel flow • Obstacle avoidance • Proximity • Robotics Best Operating Frequency: 50 kHz, ±4% Minimum Transmit Sensitivity at Best Transmit Frequency: 106 dB re 1µPa/V at 1 m Minimum Receive Sensitivity at Best Receive Freq.: -162 dB re 1V/µPa Minimum Parallel Resistance: 450 Ω, ±30% Minimum and Maximum Sensing Range*: 25 cm to 15 m Typical Sensing Range: 30 cm to 10 m Free (1 kHz) Capacitance: 5,700 pF, ±20% pF Beamwidth (@ -3 dB Full Angle): 12°, ±2° Maximum Driving Voltage (2% Duty Cycle Tone Burst): 1,500 Vpp Operating Temperature: -40°C to 90°C Weight: 160 g Housing Material: Glass filled polyester Acoustic Window: Glass reinforced epoxy Features • Improved deadband performance as compared to AT50 • Rugged sealed construction • Cylindrical design allows for installation in various applications Options • 0 KΩ thermistor available for temperature compensation 1 • Available in alternate housing material (ATK50) *Pulse-Echo Mode: Minimum and maximum ranges are best case scenarios. Actual range may vary, depending on drive circuitry and signal processing. Note: Optimally, performance measurements should be taken when the t ransducer reaches a steady state. Directivity Pattern Transmit & Receive Voltage Response Impedance Magnitude & Phase Additional Resources Theory of Operations Applying Ultrasonic Technology Airmar’s T1 Developer’s Transceiver Module can be used for evaluation of AIRDUCER® Transducers. ©Airmar Technology Corporation AR50CH_rS 04/11/24 As Airmar constantly improves its products, all specifications are subject to change without notice. All specifications typical at 22°C. Factory Mutual approved models suitable for: Class I, Division 1, Hazardous Locations. AIRDUCER® is a registered trademark of Airmar Technology Corporation. AMPHENOL is a registered trademark of Amphenol Corporation. Other company or product names mentioned in this document may be trademarks or registered trademarks of their resp