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  4. A215 Bubble Sensor

The A215 Bubble Sensor is part of the newest generation of off-the-shelf bubble sensors designed to detect bubbles noninvasively in 5/32” outside diameter tubing. Designed with our OEM Medical Device customers in mind, it features all the most requested features and options to streamline designs and optimize performance. The sensor includes our newest digital noninvasive ultrasonic bubble sensing technology to reliably detect bubbles in any liquid through a wide variety of rigid and soft tubing materials.

 

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Features

  • Detects air in liquid-filled tubes non-invasively
  • Bubble size can be custom-calibrated to detect bubbles as small as 50% of the tube inside diameter
  • Dry-couples to tubing (no grease or acoustic coupling material needed)
  • Functions out of the box with a variety of tube materials including rigid plastics (e.g. fluoropolymers), soft plastics, and rubbers.
  • Integrated test function
Applications:  
  • Medical Devices
    • Infusion Pumps
    • Enteral Feeding Pumps
    • Power Injectors for Contrast Media
    • Cooling Pumps for RF Ablation
    • Cancer Therapy
    • Anesthesia Delivery
    • Cell Therapy
    • Fluid Warmers
    • Immunoassay Systems
    • Dialysis
    • Blood Management
    • Drug and Nutrient Compounding
  • Chemical Processing Equipment
  • Pharmaceutical Instruments
  • Other OEM Products
  • Food Processing
  • Biotech analysis

Download Data Sheet  3D Model  Recommended Mounting   Mounting Option – Web View

Dimensions in. [mm] 1.46 x 0.89 x 0.68 [37.19 x 22.5 x 17.47]
Minimum Bubble Size 1 µL
Nominal Tube OD in. [mm] 0.156 [3.96]
LED Options N/A
Mounting Options Through hole
Mounting a “Panel Mount” Bubble Sensor

Mounting a “Panel Mount” Bubble Sensor One major consideration when integrating a bubble sensor into any device is how to mount it. Often, a device needs to maintain a certain level of ingress protection as defined in the Ingress Protection …

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Choosing the Right Ultrasonic Bubble Sensor

Choosing the Right Ultrasonic Bubble Sensor There are many factors that go into choosing the correct ultrasonic bubble sensor for a given application. The primary differentiator between our off-the-shelf bubble detectors is the size of the tubing that can be …

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Custom Tubing for Standard Bubble Sensors and Flowmeters

Proper bubble sensor or flowmeter functionality is partially dependent on the tubing that is used with it this resource helps you to customize your tubing for your sensor

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Technical Note: Bubble Sensors – Tubing Selection

Bubble Sensors – Tubing Selection Strain Measurement Devices’ standard bubble sensors will function with almost any soft or semi-rigid plastic or rubber tube. However, SMD can also design sensors for almost any tubing material. The main considerations with any tube …

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Technical Note: Bubble Sensors – Bubble Size Calibration

Bubble Sensors – Bubble Size Calibration Do I need a calibrated bubble sensor? Many applications only require knowing whether the tube is full of air or water, i.e. gross air detection; the size of the minimum bubble detected is often …

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Technical Note: Bubble Sensors – Test Pin

Bubble Sensors – Test Pin AX1X Sensors The test pin is enabled on all SMD AX1X bubble sensors (e.g. A210, A215, A310, etc.). The sensor has an internal 10kOhm pull-up resistor on the Test pin, to prevent a “Floating” condition …

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Technical Note: Bubble Sensors – Technology Overview

Bubble Sensors – Technology Overview What is the operating principle for SMD (Strain Measurement Devices) bubble sensors? Most SMD sensors are designed to operate non-invasively through the walls of a tube without the use of grease or other acoustic coupling …

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Frequently Asked Questions
FAQs

Load Cells, Pressure, Bubble, Occlusion sensors, Scales, Flow Meters, and Liquid Level commonly asked questions, to help you discover all your sensor solutions!

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SMD Sensors’ Glossary
Glossary

A helpful term guide to navigate you to the right sensor for your application. Descriptions for commonly used words, phrases, and organizations related to the engineering market. 

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Bubble Flow Rate Calculator
Calculators

Bubble Flow Rate SMD bubble sensors have a specification called “Response Time”, which is the amount of time it takes the sensor to look for a bubble. During the design phase of a project, it is important to ensure that …

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Bubble Size Calculator
Calculators

Bubble Size This calculator is used to calculate the size of a bubble of a known volume inside of a given tube. If the bubble is smaller than the inside diameter (ID) of the tube then the bubble is assumed …

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