Shingle & Gibb
Shingle & Gibb specializes in the distribution of factory authorized automation, mechanical a……...

Airmar's ultrasonic AT75 Airducer® Transducer reliably delivers non-contact level, flow and distance measurement. It operates at 75 kHz and its sensing range is 20 cm to 10 m.The AT75 is available as an AR model with threaded cap. The AT75 Airducer® Transducer includes rugged sealed construction, and PVDF housing is available for more chemically aggressive environments.
Applications
Open channel flow
Obstacle avoidance
Proximity
Robotics
Level measurement
Features
Installation in various applications enabled by cylindrical design
Rugged sealed construction
AIRMAR AT75 Ultrasonic Transducer
Video Credit: AIRMAR Technology Corporation
Options
10 KΩ thermistor available for temperature compensation
Available in PVDF housing for use in chemically aggressive environments
AR style with threaded cap available
Specifications
Peak operating frequency: 75 kHz ± 4%
Typical sensing range: 25 cm to 7 m (10″ to 23′)
Minimum parallel resistance: 170 Ω, ±30%
Minimum transmit sensitivity: 111 dB re, 1 µPa/V at 1 m at best transmit frequency
Minimum and maximum sensing range*: 20 cm to 10 m
Minimum receive sensitivity: −162 dB re 1 V/µPa at best receive frequency
Weight: 45 g (1.6 oz.)
Free capacitance: 1850 pF ± 20% at 1 kHz
Operating temperature: −40 °C to 90 °C (−40 °F to 194 °F)
Acoustic window: glass-reinforced epoxy
Beamwidth: 15° ± 2° at −3 dB
Housing material: Glass-filled polyester
Maximum driving voltage: 1000 Vpp at 2% duty cycle tone burst
*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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