AR41 Airducer® Ultrasonic Air Transducer for Level, Flow and Distance Applications

上海仪舶实验室自动化 25-10-24 14:11:18

AR41 Airducer® Ultrasonic Air Transducer for Level, Flow and Distance Applications

The AR41 Airducer® Transducer from Airmar reliably delivers unparalleled ultrasonic sensing performance with level, flow and distance measurement applications.It incorporates standard internal shielding, and it can accommodate transceiver and signal processing electronics. The AR41 operates at 41 kHz and its sensing range is 30 cm to 20 m.The AR41 Airducer Transducer includes rugged sealed construction, and PVDF housing is available for more chemically aggressive environments.

Applications

Proximity

Level measurement

Avoiding obstacles

Flow measurement

Traffic control

Features

Rugged sealed construction

Housing design accommodates transceiver and signal processing electronics

Normal internal shielding

Options

Full assembly comes with standard cable lengths

Mounting cap comes with BSP, M32or NPT threads

Thermistors of 10 KΩ are considered optional for temperature compensation

Comes with PVDF housing for use in chemically aggressive environments

Specifications

Weight: 560 g (1.2 lb)

Peak operating frequency: 41 kHz

Minimum transmit sensitivity: 110 dB re, 1 µPa/V at 1 m at best transmit frequency

Minimum parallel resistance: 150 Ω

Minimum receive sensitivity: −160 dB re 1 V/µPa at best receive frequency

Minimum and maximum sensing range*: 30 cm to 20 m (1 to 66″)

Free capacitance: 5000 pF at 1 kHz

Typical sensing range: 35 cm to 15 m (14″ to 49″)

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)

Acoustic window: Glass-reinforced epoxy

Housing material: Glass-filled polyester

*Pulse-Echo Mode. Maximum and minimum ranges are best-case scenarios. The actual range might differ depending on drive circuitry and signal processing.

Acoustical Data

AR41 Airducer® Transducer for Multiple Application

Image Credit: AIRMAR Technology Corporation

Dimensional Drawings

AR41 Airducer® Transducer for Multiple Application

Image Credit: AIRMAR Technology Corporation

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