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. It includes standard internal shielding and 8 mm M3 PCB standoffs. The ARK50-THD's threaded 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, NPT or 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