Talk:12.4.4 Vacuum Technology: Difference between revisions

From Mass Spec Terms
No edit summary
 
No edit summary
 
Line 1: Line 1:
Pascal (Symbol Pa)
Pascal (Symbol Pa)


Jean-Fran??????????????ois GAL??????????????
Jean-Fran?***?*?**??****?*??***?*?**?**?*??ois GAL?***?*?**??***?*?***?*??***?*?**?**?*****
02-28-2004 12:15 PM ET (US)
02-28-2004 12:15 PM ET (US)


Line 12: Line 12:
Gauges
Gauges


Jean-Fran??????????????ois GAL??????????????
Jean-Fran?***?*?**??****?*??***?*?**?**?*??ois GAL?***?*?**??***?*?***?*??***?*?**?**?*****
02-28-2004 12:27 PM ET (US)
02-28-2004 12:27 PM ET (US)


Line 21: Line 21:
Bayard-Alpert Gauge
Bayard-Alpert Gauge


Jean-Fran??????????????ois GAL??????????????
Jean-Fran?***?*?**??****?*??***?*?**?**?*??ois GAL?***?*?**??***?*?***?*??***?*?**?**?*****
02-28-2004 12:22 PM ET (US)
02-28-2004 12:22 PM ET (US)


May be added :
May be added :
Its sensitivity depends on the nature of the gas, in particular its ionization cross section.
Its sensitivity depends on the nature of the gas, in particular its ionization cross section.

Latest revision as of 11:46, 11 March 2024

Pascal (Symbol Pa)

Jean-Fran?***?*?**??****?*??***?*?**?**?*??ois GAL?***?*?**??***?*?***?*??***?*?**?**?***** 02-28-2004 12:15 PM ET (US)

1 Pa = 1 newton per square meter The numbers given (conversion in different units) do not agree with the data found elsewere , see for example [1]


Gauges

Jean-Fran?***?*?**??****?*??***?*?**?**?*??ois GAL?***?*?**??***?*?***?*??***?*?**?**?***** 02-28-2004 12:27 PM ET (US)

Cold-cathode gauges (penning), absolute gauges used for calibration


Bayard-Alpert Gauge

Jean-Fran?***?*?**??****?*??***?*?**?**?*??ois GAL?***?*?**??***?*?***?*??***?*?**?**?***** 02-28-2004 12:22 PM ET (US)

May be added : Its sensitivity depends on the nature of the gas, in particular its ionization cross section.