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  2. Category:Vacuum gauges - Wikipedia

    en.wikipedia.org/wiki/Category:Vacuum_gauges

    Download as PDF; Printable version; In other projects ... Pages in category "Vacuum gauges" The following 6 pages are in this category, out of 6 total.

  3. Pirani gauge - Wikipedia

    en.wikipedia.org/wiki/Pirani_gauge

    A special form of the Pirani gauge is the pulsed Pirani vacuum gauge where the sensor wire is not operated at a constant temperature, but is cyclically heated up to a certain temperature threshold by an increasing voltage ramp. When the threshold is reached, the heating voltage is switched off and the sensor cools down again.

  4. Pressure measurement - Wikipedia

    en.wikipedia.org/wiki/Pressure_measurement

    The widely used Bourdon gauge is a mechanical device, which both measures and indicates and is probably the best known type of gauge. A vacuum gauge is used to measure pressures lower than the ambient atmospheric pressure, which is set as the zero point, in negative values (for instance, −1 bar or −760 mmHg equals total vacuum). Most gauges ...

  5. Category:Pressure gauges - Wikipedia

    en.wikipedia.org/wiki/Category:Pressure_gauges

    Download as PDF; Printable version; In other projects ... Vacuum gauges (6 P) Pages in category "Pressure gauges" The following 23 pages are in this category, out of ...

  6. Hot-filament ionization gauge - Wikipedia

    en.wikipedia.org/wiki/Hot-filament_ionization_gauge

    The most common ion gauge is the hot-cathode Bayard–Alpert gauge, with a small collector inside the grid. [1] A glass envelope with an opening to the vacuum can surround the electrodes, but usually the nude gauge is inserted in the vacuum chamber directly, the pins being fed through a ceramic plate in the wall of the chamber. Hot-cathode ...

  7. McLeod gauge - Wikipedia

    en.wikipedia.org/wiki/McLeod_gauge

    A glass McLeod gauge, drained of mercury. A McLeod gauge is a scientific instrument used to measure very low pressures, down to 10 −6 Torr (0.133 mPa). It was invented in 1874 by Herbert McLeod (1841–1923). [1] McLeod gauges were once commonly found attached to equipment that operates under vacuum, such as a lyophilizer. Today, however ...

  8. Congress could ban new drones from two Chinese manufacturers

    www.aol.com/news/dji-could-banned-launching...

    WASHINGTON (Reuters) -China-based DJI and Autel Robotics could be banned from selling new drones in the United States market under an annual military bill set to be voted on later this week by the ...

  9. Category:Vacuum systems - Wikipedia

    en.wikipedia.org/wiki/Category:Vacuum_systems

    Download as PDF; Printable version; In other projects ... Vacuum gauges (6 P) H. Hyperloop (19 P) P. Vacuum pumps (18 P) Pages in category "Vacuum systems" The ...