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Proceeding with an abundance of caution is most certainly the preferred approach when making vibration or pressure measurements with cryogenic liquefied gases that have boiling points below -150 °C (-238 °F). These liquids can be inert (nitrogen, helium, neon, argon, krypton) or flammable (hydrogen, methane, natural gas). Oxygen is a special case as some non-combustible materials will burn in the presence of liquefied oxygen. Typical hazards include burns, adhesion of skin to materials, asphyxiation, rapid pressure changes, explosions and flammability.
PCB Piezotronics and Endevco have a two-part approach to cryogenic accelerometer design. The first is to use self-powered, piezoelectric sensor technology with expanded temperature ranges (-492 °F/-269 °C) and external charge amplifiers for signal conditioning. The second approach is to embed specially designed internal ICP® amplifiers inside the housing.
In this session, you will learn vibration and pressure measurement methods including:
Business Development Manager A&D – PCB Piezotronics
PCB® manufactures sensors used by design engineers and predictive maintenance professionals to test and measure vibration, pressure, force, acoustics, load, and shock in research and development as well as industrial applications.
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©In the interest of constant product improvement, specifications are subject to change without notice. PCB®, ICP®, Swiveler®, Modally Tuned®, and IMI® with associated logo are registered trademarks of PCB Piezotronics, Inc. in the United States. ICP® is a registered trademark of PCB Piezotronics Europe GmbH in Germany and other countries. SensorLineSM is a service mark of PCB Piezotronics, Inc.