A spirometer is a vital tool used to diagnose and manage many different types of lung diseases. Spirometry products require high performance differential pressure sensors to accurately diagnose a patient’s lung functions. Additionally, these handheld units must provide highly accurate readings regardless of how the unit is positioned when held. Additional measurements are typically required to ensure accurate results due to unstable sensor zero functionality.
Spirometry measures lung capacity and volume under various test conditions. Some of the most common measurements:
For example, the value of FVC together with FEV1 can help diagnose the type of lung disease present.
A low FEV1 value indicates that there is a blockage in the air flow out of the lungs – a critical item to be monitored for COPD (chronic obstructive pulmonary disease) . Spirometry is thought to be the most reliable way to test your lungs for COPD and asthma. Additionally, Spirometry testing determines the severity of the disease and is done to cross check the efficacy of a given lung treatment.
Superior Sensor has optimized the SP Series of differential pressure sensors for spirometry and FOT (forced oscillation technique). This product family addresses the performance requirements with a highly unique and differentiated offering:
Select product requirements from table to see the order part number. In addition, view & download 3D Model in native CAD format.
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Depending on your product design, you may need the ports facing to the sides instead of the top. Superior Sensors offers highly reliable, high quality adapters that plug into the two ports of our pressure sensors for easy implementation. With these 90° adapters, there is no need to worry about z-height.
Superior Sensors offers two variations of 90° adapters – right angle and right angle radial.
KP-RAR-50: right angle radial
KP-RAA-50: right angle
Adapters are offered in packages of 50.
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Recommended NimbleSense Features for Spirometers
One device can support up to 4 different pressure ranges from 250 Pa to 40k Pa across the SP Series, and each pressure range is factory calibrated and optimized ensuring no degradation in a total error band, accuracy or stability regardless of the range selected. This eliminates the complexity and headaches of working with multiple sensors.
Instead of having to research, purchase and design-in multiple parts, a single Multi-Range part simplifies both the design and manufacturing of a product. Designing in the same part throughout your designs is much more efficient than having to select multiple components. When you design in each of the Superior Sensor pressure sensors, the setting of the pressure is done via a single software command. It’s that simple. Add the fact that there is only one product to inventory, and your manufacturing team will also appreciate the value of Multi-Range!
Benefits of Multi-Range Technology include:
To ensure the utmost accuracy in medical devices, the company has developed its proprietary Z-Track technology that virtually eliminates zero drift. Zero error reduction is critical in medical devices such as Spirometers, where an inaccurate reading can have life changing consequences.
Z-Track provides greater accuracy to devices such as spirometers, resulting in more effective diagnosis and better treatment plans. As you can see from the figure, Z-Track maintains minimal zero-point deviation with results that are consistent regardless of elapsed time. When combined with the Superior Sensor’s position insensitivity capability, the company’s differential pressure sensors provide the most accurate readings for all types of spirometry equipment including handheld and desktop units. Not only are you certain that the device has virtually eliminated all zero errors, but you can be sure of accurate readings regardless of how the spirometer is positioned or used.
Benefits of Z-Track Technology include:
Summary of Benefits