Pressure Sensors, Transmitters & Gauges
A gauge pressure sensor is essential for applications like pipelines and storage tanks, where knowing the pressure relative to atmospheric pressure is crucial. But there are many times when we need to monitor pressure in industrial processes with a whole lot more "real-time" technology involved, and that's where pressure transmitters come in. They're not necessarily always used, but they are often found in high-stakes environments because they help ensure safety and because they're just plain efficient as long-term pieces of technology.
Pressure gauges are direct-reading mechanical instruments that indicate pressure in a clear and uncomplicated manner. They are most often employed for simple psi (pounds per square inch) pressure monitoring of hydraulic or pneumatic systems. Although pressure transducers and transmitters can take the place of pressure gauges in some applications, it is really a different kind of animal. You use gauges where you want to see pressure; you use transducers and transmitters where you want to do something with pressure in an automated way.
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