Important Factors to Consider When Choosing a Pressure Sensor

When pressure values are crucial to the performance, safety, or overall operations of a system or device, it is often essential that a pressure sensor is used. Pressure sensors are devices that are capable of detecting pressure values in a space through various means, and they differ in construction and capabilities based on the needs of the application in question. As having the right pressure sensor is paramount for proper operations, it can be very beneficial to have a basic understanding of the factors that should be considered when it is time to make a purchasing decision.

One of the first decisions one will have to make when searching for the right pressure sensor is what material is best for the requirements of an operation or assembly. If the material that a pressure sensor is made of is not compatible with the type of media that is being transported or measured, there can be many issues that come about, those ranging from part failure to worker injuries. Furthermore, certain materials may be needed based on overall pressure values to ensure that correct readings are obtained every time. As there are many resources that can help one choose materials, it is very useful to conduct the proper research before making an investment.

In enclosed environments where media is moving and pressure is present, one must consider the various forces that parts may be faced with. For example, it is very common for pressure sensors and surrounding components to be faced with mechanical and hydraulic shock from standard operations. While mechanical shock typically sources from equipment or the sensor itself, hydraulic shock occurs from the incompressible nature of fluids that leads to water hammer. Water hammer is an undesirable effect, caused by a rapid shift in fluid velocity which can damage components like diaphragms. While the proper sensors, calibration, design, and technology can all ensure safety, one may also take advantage of accessories that counter these forces, examples including pressure snubber, pulsation dampener, and capillary line components.

Alongside general compatibility and performance, accuracy is also essential for operations, and accuracy is simply the ability of the sensor to garner correct readings with little deviation in results. It is important to consider accuracy when making a purchasing decision as various applications differ in how correct readings must be. For example, some may work fine with a deviation average of around two percent, while others must have almost zero deviation for the means of safety. As such, always ensure that you have fully considered your individual needs for accuracy, basing your decision on the project or system in question.

Pressure references are also quite important for making a decision. The first question should be what type of pressure that is to be measured, such as if you need to find a reference to current atmospheric conditions or if absolute zero pressure readings are necessary. As different sensors vary in what type of pressure reference they may obtain, such considerations are necessary to find the right fit.

While not needed for every setting, interchangeability of pressure sensors can be highly useful. Although one type of sensor may be made by multiple manufacturers, each manufacturer may differ slightly in how they design the sensor itself, or performance and capabilities may vary. As such, it is very useful to consider interchangeability so that a plan can be made in the instance that a replacement product goes out of stock or becomes obsolete.

If the pressure sensor components that you are in search of are new, used, obsolete, or even hard-to-find, we have you covered here on Integrated Aircraft Parts. Owned and operated by ASAP Semiconductor, we are your one-stop purchasing platform with over 2 billion items readily available for purchase on our website at any time. With our various part and manufacturer catalogs, perusing our inventory is simple. Nevertheless, you can always utilize our online search engine and filters to quickly narrow down results with ease when you already know what you are looking for. Upon finding all items of interest, fill out and submit an RFQ form with as much information as you can to receive a customized quote for your comparisons in just 15 minutes or less. See what we can do for you today when you get in touch with one of our team members.


February 15, 2023
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