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There are two common ways to measure air velocity: by using pressure-based instrumentation or by using temperature-based instrumentation. Before we discuss the different technologies available for measuring velocity pressure, it is important to understand the basics of air velocity.
Hot-wire anemometers are often used in a hospital environment to measure and maintain room pressurization/de-pressurization. These applications require a positive pressure in operating rooms where bacteria cannot be allowed to enter, or a negative pressure in a quarantine environment to ensure that all bacteria will stay within the room. Continue reading “Hospitals: The Hot-Wired Anemometers That Keep Them Running Properly”