Posted in | Piezoelectric Sensors

ATK120 Airducer® Ultrasonic Air Transducer for Chemically Harsh Environments

The ultrasonic ATK120 Airducer® Transducer from Airmar reliably delivers non-contact level, flow, distance, proximity and object detection measurement. It operates at 125 kHz and its sensing range is 15 cm to 5 m. The ATK120's rugged one-piece Kynar PVDF housing makes it suitable for the most chemically aggressive environments. 

Applications

  • Automation control
  • Obstacle avoidance
  • Food and beverage processing
  • Level measurement
  • Proximity sensing

Features

  • The cylindrical design allows for installation in various applications
  • Rugged one-piece PVDF housing is US FDA compliant

Options

  • 10 KΩ thermistor available for temperature compensation

Specifications

  • Peak operating frequency: 125 kHz ± 4%
  • Minimum and maximum sensing range*: 15 cm to 5 m
  • Minimum receive sensitivity: −172 dB re 1 V/µPa at best receive frequency
  • Minimum transmit sensitivity: 102 dB re, 1 µPa/V at 1 m at best transmit frequency
  • Minimum parallel resistance: 500 Ω, ±30%
  • Maximum driving voltage: 800 Vpp at 2% duty cycle tone burst
  • Weight: 30 g (1.1 oz.)
  • Typical sensing range: 20 cm to 3 m (8″ to 10′)
  • Free capacitance: 1000 pF ± 20% at 1 kHz
  • Operating temperature: −40 °C to 90 °C (−40 °F to 194 °F)
  • Beamwidth: 10° ± 2° at −3 dB
  • Acoustic window: Kynar® 720
  • Housing material: Kynar® 720

*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

ATK120 Airducer® Transducer

Image Credit: AIRMAR Technology Corporation

Dimensional Drawings

ATK120 Airducer® Transducer

Image Credit: AIRMAR Technology Corporation

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