GB1395242A - Vacuum gauges - Google Patents

Vacuum gauges

Info

Publication number
GB1395242A
GB1395242A GB4632272A GB4632272A GB1395242A GB 1395242 A GB1395242 A GB 1395242A GB 4632272 A GB4632272 A GB 4632272A GB 4632272 A GB4632272 A GB 4632272A GB 1395242 A GB1395242 A GB 1395242A
Authority
GB
United Kingdom
Prior art keywords
wire
bridge
oct
circuitry
interior
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4632272A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Interatom Internationale Atomreaktorbau GmbH
Original Assignee
Interatom Internationale Atomreaktorbau GmbH
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 Interatom Internationale Atomreaktorbau GmbH filed Critical Interatom Internationale Atomreaktorbau GmbH
Publication of GB1395242A publication Critical patent/GB1395242A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/14—Housings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L21/00—Vacuum gauges
    • G01L21/10—Vacuum gauges by measuring variations in the heat conductivity of the medium, the pressure of which is to be measured
    • G01L21/12—Vacuum gauges by measuring variations in the heat conductivity of the medium, the pressure of which is to be measured measuring changes in electric resistance of measuring members, e.g. of filaments; Vacuum gauges of the Pirani type
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/14—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature
    • G01N27/18—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of an electrically-heated body in dependence upon change of temperature caused by changes in the thermal conductivity of a surrounding material to be tested

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Measuring Fluid Pressure (AREA)
GB4632272A 1971-10-08 1972-10-06 Vacuum gauges Expired GB1395242A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE7138210 1971-10-08
DE7138878 1971-10-14
DE7142951 1971-11-15

Publications (1)

Publication Number Publication Date
GB1395242A true GB1395242A (en) 1975-05-21

Family

ID=27207320

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4632272A Expired GB1395242A (en) 1971-10-08 1972-10-06 Vacuum gauges

Country Status (4)

Country Link
JP (1) JPS4862483A (enrdf_load_stackoverflow)
FR (1) FR2166914A5 (enrdf_load_stackoverflow)
GB (1) GB1395242A (enrdf_load_stackoverflow)
NL (1) NL7212942A (enrdf_load_stackoverflow)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106153246A (zh) * 2015-05-15 2016-11-23 株式会社爱发科 皮拉尼真空计
CN108507716A (zh) * 2018-04-16 2018-09-07 成都科瑞尔低温设备有限公司 一种智能在线检测真空连接器
WO2022129872A1 (en) * 2020-12-16 2022-06-23 Edwards Limited Thermal conductivity vacuum gauge assembly

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3130817A1 (de) * 1981-08-04 1983-02-24 Leybold-Heraeus GmbH, 5000 Köln Waermeleitungsvakuummeter
DE8407656U1 (de) * 1984-03-09 1985-03-14 Siemens AG, 1000 Berlin und 8000 München Druck- oder druckdifferenzmessgeraet
FR2611907B1 (fr) * 1987-03-05 1989-06-16 Tolectromed Sarl Identificateur de fluides medicaux

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106153246A (zh) * 2015-05-15 2016-11-23 株式会社爱发科 皮拉尼真空计
CN106153246B (zh) * 2015-05-15 2019-08-30 株式会社爱发科 皮拉尼真空计
CN108507716A (zh) * 2018-04-16 2018-09-07 成都科瑞尔低温设备有限公司 一种智能在线检测真空连接器
CN108507716B (zh) * 2018-04-16 2024-05-14 成都科瑞尔低温设备有限公司 一种智能在线检测真空连接器
WO2022129872A1 (en) * 2020-12-16 2022-06-23 Edwards Limited Thermal conductivity vacuum gauge assembly

Also Published As

Publication number Publication date
FR2166914A5 (enrdf_load_stackoverflow) 1973-08-17
NL7212942A (enrdf_load_stackoverflow) 1973-04-10
JPS4862483A (enrdf_load_stackoverflow) 1973-08-31

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee