NL7012200A - - Google Patents

Info

Publication number
NL7012200A
NL7012200A NL7012200A NL7012200A NL7012200A NL 7012200 A NL7012200 A NL 7012200A NL 7012200 A NL7012200 A NL 7012200A NL 7012200 A NL7012200 A NL 7012200A NL 7012200 A NL7012200 A NL 7012200A
Authority
NL
Netherlands
Application number
NL7012200A
Other versions
NL145678B (nl
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 filed Critical
Publication of NL7012200A publication Critical patent/NL7012200A/xx
Publication of NL145678B publication Critical patent/NL145678B/xx

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00—Investigating fluid-tightness of structures
    • G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/20—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point using special tracer materials, e.g. dye, fluorescent material, radioactive material
    • 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
    • G01N27/62—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode
    • G01N27/68—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas
    • G01N27/70—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating the ionisation of gases, e.g. aerosols; by investigating electric discharges, e.g. emission of cathode using electric discharge to ionise a gas and measuring current or voltage

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)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
NL707012200A 1970-06-30 1970-08-18 Inrichting voor het aantonen van halogeenhoudende gassen. NL145678B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH994370A CH506062A (de) 1970-06-30 1970-06-30 Verfahren zum Betrieb einer Halogennachweisdiode und Vorrichtung zur Durchführung des Verfahrens

Publications (2)

Publication Number Publication Date
NL7012200A true NL7012200A (de) 1972-01-03
NL145678B NL145678B (nl) 1975-04-15

Family

ID=4357362

Family Applications (1)

Application Number Title Priority Date Filing Date
NL707012200A NL145678B (nl) 1970-06-30 1970-08-18 Inrichting voor het aantonen van halogeenhoudende gassen.

Country Status (7)

Country Link
US (1) US3739260A (de)
JP (1) JPS5531895B1 (de)
CH (1) CH506062A (de)
DE (1) DE2050653C3 (de)
FR (1) FR2096215A5 (de)
GB (1) GB1325242A (de)
NL (1) NL145678B (de)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2408218C3 (de) * 1974-02-21 1983-11-03 Ehlen, Karl Josef, Dr., 5000 Köln Schaltungsanordnung zum Nachweis von Gasen
DE2941142A1 (de) * 1978-10-11 1980-08-28 Hitachi Ltd Natrium-ionisationsdetektor
WO1987000275A1 (en) * 1985-06-27 1987-01-15 Ukrainsky Gosudarstvenny Proektny I Nauchno-Issled Halogen leak detector
US4910463A (en) * 1987-12-17 1990-03-20 Sentech Corporation Halogen monitoring apparatus
US5198774A (en) * 1987-12-17 1993-03-30 Williams Ii William J Gas monitoring apparatus
US5444435A (en) * 1990-03-19 1995-08-22 Williams, Ii; William J. Halogen monitoring apparatus
US5448905A (en) * 1993-11-26 1995-09-12 Transducer Research, Inc. Solid-state chemical sensor apparatus and methods
US5767683A (en) * 1996-07-26 1998-06-16 Stearns; Stanley D. System for detecting compounds in a gaseous sample using photoionization, electron capture detection, and a constant current feedback control circuit which responds to compound concentration
US6644098B2 (en) 2001-01-18 2003-11-11 Advanced Test Products, Inc. Heated electrode refrigerant detector utilizing one or more control loop
US6649876B2 (en) 2001-04-19 2003-11-18 Advanced Test Products, Inc. Methods and apparatuses for automatic process control for firing and biasing heated electrode refrigerant sensors
US6703840B2 (en) 2001-04-19 2004-03-09 Advanced Test Products, Inc. Methods and apparatuses for automatic process control for biasing and testing heated electrode refrigerant sensors
AU2002357857A1 (en) * 2001-12-13 2003-06-23 The University Of Wyoming Research Corporation Doing Business As Western Research Institute Volatile organic compound sensor system
US8324905B2 (en) * 2010-03-01 2012-12-04 Woodward, Inc. Automatic variable gain amplifier
US8779362B1 (en) 2012-04-16 2014-07-15 Ted J. Amundsen Infrared acid detector and method
US11046196B2 (en) 2018-07-26 2021-06-29 Ford Global Technologies, Llc Charge port covering assembly and method
CN111595926B (zh) * 2020-05-18 2022-09-27 中国计量科学研究院 在线过程质谱仪及在线过程质谱仪自调节方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1310211A (de) * 1961-01-03 1963-03-06
US3160809A (en) * 1963-08-06 1964-12-08 Lion Res Corp Current-source transducer high-voltage low-current power supply system
US3292090A (en) * 1964-07-01 1966-12-13 Gen Electric Ion gauge system having overload protection
US3438259A (en) * 1967-05-31 1969-04-15 Midwest Research Inst Vacuum system pressure change detection
US3617734A (en) * 1967-06-07 1971-11-02 Melpar Inc Detection system for monitoring gaseous components in air

Also Published As

Publication number Publication date
DE2050653A1 (de) 1972-01-05
GB1325242A (en) 1973-08-01
US3739260A (en) 1973-06-12
DE2050653B2 (de) 1974-03-07
FR2096215A5 (de) 1972-02-11
CH506062A (de) 1971-04-15
DE2050653C3 (de) 1974-10-03
JPS5531895B1 (de) 1980-08-21
NL145678B (nl) 1975-04-15

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: BALZERS

V4 Lapsed because of reaching the maximum lifetime of a patent