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  4. A630 Bubble Detector

The A630 Bubble Detector is one of our standard sensors for use with most 3/8″ OD tubing. It uses our proprietary digital noninvasive ultrasonic bubble sensing technology to accurately and reliably detect bubbles in a wide variety of fluids and tubing materials. Custom characteristics can be provided for OEM users. Our experienced engineers will work with you to develop and deliver a custom prototype to suit your application needs.

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Features: Applications:
· Optional integrated self-test function
· Power consumption as low as 3mA on some models
· Dry-couples with a variety of tubing materials
· Custom pinouts, cables, and connectors available
· Digital “smart” circuit for superior customability
· Noninvasive ultrasonic bubble sensing technology
· Optional red/green LED for visual output indication		 · Medical instrumentation
· Semiconductor processing
· Food dispensing equipment
· Chemical processing
· Pharmaceutical industry

 

Download Datasheet A630 CAD Documents

A630 Bubble Sensor Feature
Dimensions in. [mm] 1.22 x 0.80 x 0.92 [31.0 x 20.3 x 23.4]
Minimum Bubble Size 10 µL
Nominal Tube OD in. [mm] 0.38 [9.52]
LED Options LED or No LED
Mounting Options SAE or Metric Threaded Inserts
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: Combined Bubble and Occlusion Sensors

Combined Bubble and Occlusion Sensors Strain Measurement Devices has core competencies in load cells, ultrasonic sensors, electronics design, and mechanical design, because of our robust sensor lines we have the unique opportunity for space saving, combined sensors. Solving multiple 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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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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