BG Series Bubble Ultrasonic Detectors
XY-TEK's BG series bubble ultrasonic sensors can detect air bubbles in the fluid in plastic tubing, and can also detect the gas/liquid state at certain positions, which are commonly used in medical devices, bioprocessing, industrial automation, food and beverage dosing, spraying and lubrication and other fields. The sensors use ultrasonic pulse technology, and their response time and sensitivity can be flexibly modified to adapt to different application requirements.
Features：
• High precision, high stability, dry coupling
• Non-invasive measurement, no direct contact with liquid, hygienic and safe
• Detection is not affected by the color of the tubing and liquid
• The circuit is integrated inside the sensor and the size is compact
• Multiple standard sizes to accommodate different tubing diameters
Applications:
• Medical devices such as hemodialysis machine, organ transplantation system, heart-lung machine, blood pump
• Biopharmaceutical processes and equipment, such as single-use systems, fermenters, cell culture equipment, vaccine production, tangential flow filtration systems, liquid chromatographs
• Fluid monitoring during semiconductor manufacturing, such as high purity water and corrosive chemicals
• Food & beverage processing, such as milk, juice, beer production
• Filling equipment, spraying equipment, cooling system, lubrication system
• Scientific experiment system
• Water treatment and wastewater treatment system
Standard products and tubing size:
| Part # | A | B | C | H | Common Tubing OD |
| BG013 | 2.5 | 7 | 8 | 19.5 | 1/8”(3.2mm) |
| BG016 | 3.2 | 7 | 8 | 19.5 | 5/32”(4mm) |
| BG019 | 3.8 | 8 | 9 | 20.5 | 3/16”(4.8mm) |
| BG025 | 5.1 | / | 10 | 21.5 | 1/4”(6.4mm) |
| BG031 | 6.4 | / | 12 | 23.5 |
5/16”(7.9mm) |
| BG038 | 7.6 | / | 13.5 | 25 | 3/8”(9.5mm) |
| Part # | A | B | H | Common Tubing OD |
| BG075 | 16.2 | 22.5 | 38.1 | 3/4”(19mm) |
Specifications：
| Liquids | Water, blood, saline, beverages, gasoline, paint, etc. |
| Tubing Materials | PVC, silicone, PE, PUR and other materials, with smooth inner and outer surfaces and no fiber or metal woven layer inside. Ideally, the wall thickness of the tubing is 10-20% of the outer diameter. The tubing needs to be pressed to the bottom of the sensor measurement slot to guarantee close contact. Dry coupling between the tubing and sensor does not require the use of grease or other coupling agents. |
| Housing Material | ABS plastic |
| Input Voltage | 5-30 VDC |
| Current Consumption | Less than 50mA |
| Working Temperature |
0°C to 60°C |
| Storage Temperature | -20°C to 70°C |
| Relative Humidity | 30% to 90%（No condensation） |
| Atmospheric Environment | No corrosive gases allowed |
| SelfTest | Optional function。 SelfTest can provide self checking when the tubing is not installed in the sensor. When an external 0V input signal is supplied to the SelfTest pin, the sensor status changes to gas detected and the LED indicator turns red. |
