General Catalyst Partners
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ARK50-THD Airducer® Ultrasonic Air Transducer for Chemically Harsh Environments
Airmar’s ARK50-THD Airducer® Transducer reliably delivers unparalleled ultrasonic sensing performance with level, flow and distance measurement applications.Its rugged one-piece Kynar PVDF housing makes it suitable for chemically aggressive environments. The ARK50-THD operates at 50 kHz and its sensing range is 30 cm to 15 m. Itincludes standard internal shielding and 8 mm M3 PCB standoffs.The ARK50-THD'sthreaded design facilitates installation in various applications, and it can accommodate transceiver and signal processing electronics.
Applications
Level measurement
Food and beverage processing
Flow monitoring
AIRMAR ARK50-THD Ultrasonic Transducer
Video Credit: AIRMAR Technology Corporation
Features
Rugged one-piece PVDF housing is US FDA compliant
Threaded design allows for installation in various applications
Standard internal shielding
8 mm M3 PCB standoffs
Options
Nut — 2" BSP thread
Complete assembly available with standard cable lengths
10 KΩ thermistors for temperature compensation
12 mm extension sleeve
Mounting cap available in BSP, NPTor M32 threads
Specifications
Weight: 250 g (8.8 oz.)
Peak operating frequency: 50 kHz ± 4%
Minimum transmit sensitivity: 105 dB re, 1 µPa/V at 1 m at best transmit frequency
Minimum parallel resistance: 350 Ω, ± 30%
Minimum receive sensitivity: −170 dB re 1 V/µPa at best receive frequency
Beamwidth: 10° ± 2° at −3 dB
Minimum and maximum sensing range*: 30 cm to 15 m
Typical sensing range: 35 cm to 10 m (14″ to 33')
Maximum driving voltage: 1000 Vpp at 2% duty cycle tone burst
Housing material: Kynar® 720
Free capacitance: 5000 pF ± 20% at 1 kHz
Acoustic window: Kynar®720
Operating temperature: −40 to 90 °C (−40 to 194 °F)
*Pulse-Echo Mode. Minimum and maximum ranges are known to be the best-case scenarios. Actual range might differ based on drive circuitry and signal processing.
Acoustical Data
Image Credit: AIRMAR Technology Corporation
Dimensional Drawings
Image Credit: AIRMAR Technology Corporation
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