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'srugged 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 V_pp 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

Image Credit: AIRMAR Technology Corporation

Dimensional Drawings

Image Credit: AIRMAR Technology Corporation