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Air Bubble Detectors

Ultrasonic bubble detector with special packaging technology possesses the advantages of long service life, high sensitivity and fast response. Ultrasonic air bubble detector achieves identification and detection of bubbles or liquid through different acoustic impedance of ultrasonic waves in liquid and gas. Compared with the optical bubble detector, the ultrasonic bubble detector has no strict requirements for the color, transparency and light transmittance of the tubes, and has no requirement for the light transmittance and transparency of liquid, thus is can be used for detecting bubbles in non-transparent tubes and liquid.

Siansonic provides the ultrasonic bubble detectors for  tubes of various specifications, including plastic tubes such as PVC, PP, silica gel, PTFE, PFA, and metal tubes such as stainless steel tubes and titanium alloy tubes, and the infusion tubes with the outer diameter of 3mm-25mm.


  • Impact and integrated design 

  • 5V supply/TTL output 

  • High sensitivity: min. detected bubble 30% of inner tube 

  • Tube size: 3.0mm - 25mm 





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