Posted in | Piezoelectric Sensors

Compact AT200 Airducer® Ultrasonic Air Transducer for Multiple Applications

Airmar's AT200 Airducer® Transducer reliably delivers unparalleled ultrasonic sensing performance with level, flow, distance, proximity and object detection measurement applications. It operates at 200 kHz and its sensing range is 10 cm to 3 m. The AT200 includes rugged sealed construction, and PVDF housing is available for more chemically aggressive environments. 

Applications

  • Automation control
  • Level measurement
  • Robotics
  • Obstacle avoidance
  • Proximity
AIRMAR AT200 Ultrasonic Transducer

Video Credit AIRMAR Technology Corporation 

Features

  • Rugged sealed structure
  • The cylindrical design makes it easy for installation in various applications
  • Offered in PVDF housing suitable for chemically aggressive environments

Specifications

  • Peak operating frequency: 200 kHz ± 4%
  • Beamwidth: 12° ± 2° at −3 dB
  • Weight: 6 g (0.2 oz)
  • Acoustic window: Glass-reinforced epoxy
  • Housing material: Glass-filled polyester
  • Maximum driving voltage: 500 Vpp at 2% duty cycle tone burst
  • Minimum receive sensitivity: −174 dB re 1 V/µPa at best receive frequency
  • Minimum parallel resistance: 180 Ω, ±30%
  • Minimum and maximum sensing range*: 10 cm to 3 m
  • Minimum transmit sensitivity: 105 dB re, 1 µPa/V at 1 m at best transmit frequency
  • Typical sensing range: 12 cm to 2 m (5" to 6')
  • Operating temperature: −40 °C to 90 °C (−40 °F to 194 °F)
  • Free capacitance: 500 pF ± 20% at 1 kHz

*Pulse-Echo Mode. Maximum and minimum ranges are best-case scenarios. Depending on signal processing and drive circuitry, the actual range may differ.

Acoustical Data

AT200 Airducer® Transducer

Image Credit: AIRMAR Technology Corporation

Dimensional Drawings

AT200 Airducer® Transducer

Image Credit: AIRMAR Technology Corporation

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