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  2. Pirani gauge - Wikipedia

    en.wikipedia.org/wiki/Pirani_gauge

    Pirani gauge. The Pirani gauge is a robust thermal conductivity gauge used for the measurement of the pressures in vacuum systems. [1] It was invented in 1906 by Marcello Pirani. [2] Marcello Stefano Pirani was a German physicist working for Siemens & Halske which was involved in the vacuum lamp industry. In 1905 their product was tantalum ...

  3. Category:Pressure gauges - Wikipedia

    en.wikipedia.org/wiki/Category:Pressure_gauges

    Category. : Pressure gauges. Help. Pertains to measuring instruments that measure atmospheric or underwater pressure. Wikimedia Commons has media related to Pressure gauges.

  4. Pressure measurement - Wikipedia

    en.wikipedia.org/wiki/Pressure_measurement

    Checking tire pressure with a spring and piston tire-pressure gauge. Pressure measurement is the measurement of an applied force by a fluid ( liquid or gas) on a surface. Pressure is typically measured in units of force per unit of surface area. Many techniques have been developed for the measurement of pressure and vacuum.

  5. Pascal (unit) - Wikipedia

    en.wikipedia.org/wiki/Pascal_(unit)

    barye (CGS unit) 10 Ba. The pascal (symbol: Pa) is the unit of pressure in the International System of Units (SI). It is also used to quantify internal pressure, stress, Young's modulus, and ultimate tensile strength. The unit, named after Blaise Pascal, is an SI coherent derived unit defined as one newton per square metre (N/m 2 ). [1]

  6. Mercury pressure gauge - Wikipedia

    en.wikipedia.org/wiki/Mercury_pressure_gauge

    Mercury pressure gauge. An open (differential) mercury pressure gauge. A mercury pressure gauge is a type of manometer using mercury as the working fluid. The most basic form of this instrument is a U-shaped glass tube filled with mercury. More complex versions deal with very high pressure or have better means of filling with mercury.

  7. Pressure switch - Wikipedia

    en.wikipedia.org/wiki/Pressure_switch

    A pressure switch is a form of switch that operates an electrical contact when a certain set fluid pressure has been reached on its input. The switch may be designed to make contact either on pressure rise or on pressure fall. Pressure switches are widely used in industry to automatically supervise and control systems that use pressurized fluids.

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