CH354599A - Einrichtung zur Bestimmung sehr niedriger Gasdrücke - Google Patents

Einrichtung zur Bestimmung sehr niedriger Gasdrücke

Info

Publication number
CH354599A
CH354599A CH354599DA CH354599A CH 354599 A CH354599 A CH 354599A CH 354599D A CH354599D A CH 354599DA CH 354599 A CH354599 A CH 354599A
Authority
CH
Switzerland
Prior art keywords
determining
low gas
gas pressures
pressures
low
Prior art date
Application number
Other languages
English (en)
Inventor
Schutten Johan
Original Assignee
Philips Nv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Philips Nv filed Critical Philips Nv
Publication of CH354599A publication Critical patent/CH354599A/de

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J41/00—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas; Discharge tubes for evacuation by diffusion of ions
    • H01J41/02—Discharge tubes for measuring pressure of introduced gas or for detecting presence of gas
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L21/00—Vacuum gauges

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Measuring Fluid Pressure (AREA)
CH354599D 1956-04-26 1957-04-24 Einrichtung zur Bestimmung sehr niedriger Gasdrücke CH354599A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL354599X 1956-04-26

Publications (1)

Publication Number Publication Date
CH354599A true CH354599A (de) 1961-05-31

Family

ID=19785166

Family Applications (1)

Application Number Title Priority Date Filing Date
CH354599D CH354599A (de) 1956-04-26 1957-04-24 Einrichtung zur Bestimmung sehr niedriger Gasdrücke

Country Status (2)

Country Link
US (1) US2904749A (de)
CH (1) CH354599A (de)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2784373A (en) * 1953-03-02 1957-03-05 Nat Res Corp High-vacuum device
US2801387A (en) * 1954-01-27 1957-07-30 Western Electric Co Gas pressure measuring devices
US2790949A (en) * 1954-05-13 1957-04-30 Oscar H Ottinger Thermionic ionization vacuum gauge

Also Published As

Publication number Publication date
US2904749A (en) 1959-09-15

Similar Documents

Publication Publication Date Title
FR1145591A (fr) Tuyau
CH355380A (de) Einrichtung zur Feststellung von Änderungen in der Zusammensetzung eines Gases
CH367196A (de) Gasverflüssigungseinrichtung
FR1160337A (fr) Perfectionnements aux sièges
FR1182292A (fr) Système radiogoniométrique
FR1151167A (fr) Perfectionnements aux cercueils
CH375800A (de) Magnetfeldröhre, insbesondere zur Messung sehr niedriger Gasdrücke
CH354599A (de) Einrichtung zur Bestimmung sehr niedriger Gasdrücke
CH355309A (de) Ionisationsmanometer
AT199386B (de) Prüfvorrichtung
CH352150A (de) Durchflussanzeigeapparat
FR1179805A (fr) Surface perméable
AT199389B (de) Druckregistrier-Vorrichtung
FR1172585A (fr) Appareil intégrateur
AT199903B (de) Ultra-Mikrotom
NL90775C (nl) gasdrukregelaar
FI30318A (fi) Paineen avulla tyhjennettävissä oleva säiliö
DK92983C (da) Anlæg til trykmåling i eksplosionsmotorer.
AT194973B (de) Einrichtung zur Bestimmung des prozentualen Übersetzungsfehlers von Transformaten
FR1329549A (fr) Hygromètres
AT204225B (de) Gashahn
FR1150542A (fr) Manomètre perfectionné
DK85545C (da) Dugpunktsindikator.
DK94967C (da) Indikator til konstatering af tilstedeværelse og bestemmelse af mængden af protein i en væske.
FI30973A (fi) Ilma- tai kaasuvuodon ilmaisin