AIRMAR - AR41 Ultrasonic Airducer Transducer

Rugged sealed construction
Housing design will accommodate transceiver and signal processing electronics
Standard internal shielding

Complete assembly available with standard cable lengths
Mounting cap available in BSP, NPT, or M32 threads
Available in PVDF housing for use in chemically aggressive environments
10 KΩ thermistors are optional for temperature compensation

Weight: 560 g (1.2 lb.)
Peak Operating Frequency: 41 kHz
Minimum Transmit Sensitivity: 110 dB re, 1µPa/V at 1 m at best transmit frequency
Minimum Receive Sensitivity: -160 dB re 1V/µPa at best receive frequency
Minimum Parallel Resistance: 150 Ω
Minimum and Maximum Sensing Range*: 30 cm to 20 m (1 to 66')
Typical Sensing Range: 35 cm to 15 m (14" to 49')
Free Capacitance: 5000 pF at 1 kHz
Beamwidth: 14° at -3 dB
Maximum Driving Voltage: 1800 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.