Differential Pressure

Differential Pressure Flow Measuring Principle

June 16, 2021 / Instrumentation / 2 minutes of reading

Flow measurement based on the differential pressure principle (Orifice-Nozzle-Venturi). Some 300 years ago, Swiss mathematician and physicist Daniel Bernoulli discovered the direct relationship between the pressure and speed of a fluid flowing in a pipe. Italian physicist Giovanni Battista Venturi also performed experiments on flow and, in 1797, he built the first flowmeter for closed …

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What is Pressure Sensor? Types of Pressure Sensors?

June 6, 2021 / Electronics, Instrumentation / 5 minutes of reading

To understand pressure sensors, first, you need to understand pressure. Pressure is an expression of force exerted on a surface per unit area. We commonly measure the pressure of liquids, air, and other gases, amongst other things. The standard unit for pressure is the “Pascal”. This is equivalent to one “Newton per meter squared”. A …

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