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AT120 Airducer® Ultrasonic Air Transducer for Multiple Applications
The ultrasonic AT120 Airducer® Transducer from Airmar reliably delivers unparalleled sensing performance with level, flow, distance, proximity and object detection measurement applications. Itoperates at 125 kHz and has a sensing range from 15 cm to 7 m. The AT120 includes rugged sealed construction, and PVDF housing is available for more chemically aggressive environments.
Applications
Automation control
Robotics
Proximity
Level measurement
Obstacle avoidance
AIRMAR AT120 Ultrasonic Transducer
Video Credit: AIRMAR Technology Corporation
Features
The cylindrical design enables installation in different applications
Rugged sealed construction
Options
10 KΩ thermistor available for temperature compensation
Available in PVDF housing for use in chemically aggressive environments
Specifications
Peak operating frequency: 125 kHz ± 4%
Minimum receive sensitivity: −169 dB re, 1 V/µPa at the best receive frequency
Minimum transmit sensitivity: 107 dB re, 1 µPa/V at 1 m at best transmit frequency
Minimum and maximum sensing range*: 15 cm to 7 m
Minimum parallel resistance: 420 Ω, ±30%
Operating temperature: −40 to 90 °C (−40 to 194 °F)
Weight: 20 g (0.7 oz)
Typical sensing range: 20 cm to 3 m (8″ to 10′)
Housing material: Glass-filled polyester
Beamwidth: 12° ± 2° at −3 dB
Free capacitance: 1000 pF ± 20% at 1 kHz
Maximum driving voltage: 800 Vpp at 2% duty cycle tone burst
Acoustic window: Glass reinforced epoxy
*Pulse-Echo Mode: The best-case situations are the minimum and maximum ranges. Depending on the driving circuitry and signal processing, the actual range may vary.
Acoustical Data
Image Credit: AIRMAR Technology Corporation
Dimensional Drawings
Image Credit: AIRMAR Technology Corporation
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