AIRMAR - AT75 Ultrasonic Airducer Transducer

Rugged sealed construction
Cylindrical design allows for installation in various applications

AR style with threaded cap available
Complete assembly or kit versions
Available in PVDF housing for use in chemically aggressive environments
10 KΩ thermistor available for temperature compensation

Weight: 45 g (1.6 oz.)
Peak Operating Frequency: 75 kHz ±4%
Minimum Transmit Sensitivity: 111 dB re, 1µPa/V at 1 m at best transmit frequency
Minimum Receive Sensitivity: -162 dB re 1V/µPa at best receive frequency
Minimum Parallel Resistance: 170 Ω, ±30%
Minimum and Maximum Sensing Range*: 20 cm to 10 m
Typical Sensing Range: 25 cm to 7 m (10" to 23')
Free Capacitance: 1850 pF ±20% at 1 kHz
Beamwidth: 15° ±2° at -3 dB
Maximum Driving Voltage: 1000 Vpp at 2% duty cycle tone burst
Operating Temperature: -40 to 90°C (-40 to 194°F)
Housing Material: Glass filled polyester
Acoustic Window: Glass reinforced epoxy
*Pulse-Echo Mode. Minimum and maximum ranges are best case scenarios. Actual range may vary, depending on drive circuitry and signal processing.