The ultrasonic AT120 Airducer® Transducer from Airmar reliably delivers unparalleled sensing performance with level, flow, distance, proximity and object detection measurement applications. It operates 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