FR2616226B1 - Dispositif de compensation d'humidite pour un detecteur de type photo-ionisation, et appareil pour sa mise en oeuvre - Google Patents

Dispositif de compensation d'humidite pour un detecteur de type photo-ionisation, et appareil pour sa mise en oeuvre

Info

Publication number
FR2616226B1
FR2616226B1 FR888805757A FR8805757A FR2616226B1 FR 2616226 B1 FR2616226 B1 FR 2616226B1 FR 888805757 A FR888805757 A FR 888805757A FR 8805757 A FR8805757 A FR 8805757A FR 2616226 B1 FR2616226 B1 FR 2616226B1
Authority
FR
France
Prior art keywords
photo
compensation device
ionization detector
implementing same
moisture compensation
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 - Lifetime
Application number
FR888805757A
Other languages
English (en)
Other versions
FR2616226A1 (fr
Inventor
Byron Carnahan
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.)
MSA Safety Inc
Original Assignee
MSA Safety Inc
Mine Safety Appliances Co
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 MSA Safety Inc, Mine Safety Appliances Co filed Critical MSA Safety Inc
Publication of FR2616226A1 publication Critical patent/FR2616226A1/fr
Application granted granted Critical
Publication of FR2616226B1 publication Critical patent/FR2616226B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • G01N27/64—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 wave or particle radiation to ionise a gas, e.g. in an ionisation chamber
    • G01N27/66—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 wave or particle radiation to ionise a gas, e.g. in an ionisation chamber and measuring current or voltage

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Toxicology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FR888805757A 1987-06-05 1988-04-29 Dispositif de compensation d'humidite pour un detecteur de type photo-ionisation, et appareil pour sa mise en oeuvre Expired - Lifetime FR2616226B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/058,813 US4778998A (en) 1987-06-05 1987-06-05 Humidity compensation for a photoionization type detector

Publications (2)

Publication Number Publication Date
FR2616226A1 FR2616226A1 (fr) 1988-12-09
FR2616226B1 true FR2616226B1 (fr) 1991-12-06

Family

ID=22019080

Family Applications (1)

Application Number Title Priority Date Filing Date
FR888805757A Expired - Lifetime FR2616226B1 (fr) 1987-06-05 1988-04-29 Dispositif de compensation d'humidite pour un detecteur de type photo-ionisation, et appareil pour sa mise en oeuvre

Country Status (5)

Country Link
US (1) US4778998A (fr)
CA (1) CA1270330A (fr)
DE (1) DE3818784C2 (fr)
FR (1) FR2616226B1 (fr)
GB (1) GB2205652B (fr)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5116764A (en) * 1988-07-26 1992-05-26 Raymond Annino Dual-column, dual-detector gas detector and analyzer
DE4442240A1 (de) * 1994-11-28 1996-05-30 Fogra Forschungsgesellschaft D Verfahren und Vorrichtung zur Bestimmung der Menge eines aus einem Druckprodukt austretenden Lösungsmittels
US5773833A (en) * 1996-03-22 1998-06-30 Rae Systems, Inc. Photo-ionization detector for volatile gas measurement
DE19828903C2 (de) * 1998-06-18 2001-04-12 Inst Umwelttechnologien Gmbh Photoionisationsdetektor zum Gasspurennachweis im ppb-Bereich
DE19838759C2 (de) * 1998-08-26 2000-12-07 Inst Umwelttechnologien Gmbh Verfahren und Photoionisationsdetektor zur Spurengasanalyse mit Matrixkompensation
US6225633B1 (en) 1998-10-22 2001-05-01 Rae Systems, Inc. Photo-ionization detector for volatile gas measurement and a method for self-cleaning the same
US6320388B1 (en) * 1999-06-11 2001-11-20 Rae Systems, Inc. Multiple channel photo-ionization detector for simultaneous and selective measurement of volatile organic compound
US6734435B2 (en) 2001-05-29 2004-05-11 Rae Systems, Inc. Photo-ionization detector and method for continuous operation and real-time self-cleaning
US20050218811A1 (en) * 2004-03-31 2005-10-06 Schulman Michael B Gas discharge lamp with high-energy vacuum ultraviolet emission
EP1733220B1 (fr) * 2004-03-31 2011-01-19 Mine Safety Appliances Company Detecteur de photoionisation
US9459235B2 (en) 2012-10-04 2016-10-04 Honeywell International Inc. Interference compensated photoionization detector
DE102014019645B4 (de) 2014-12-24 2016-10-06 Bernd Hillerich Photoionisationsdetektor mit stabilisierter UV-Quelle
CN112649336B (zh) * 2020-12-15 2023-06-06 北京雪迪龙科技股份有限公司 一种湿度干扰去除方法
DE102021206131A1 (de) * 2021-06-16 2022-12-22 Robert Bosch Gesellschaft mit beschränkter Haftung Modul und Verfahren zum Überwachen von Umwelteinflüssen auf ein Modul

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4075550A (en) * 1976-12-27 1978-02-21 Honeywell Inc. Ionization cell for sensing and measuring gaseous impurities
US4429228A (en) * 1981-05-12 1984-01-31 Anderson David F High efficiency photoionization detector
GB2165948B (en) * 1984-10-23 1988-12-07 Health Lab Service Board Formaldehyde monitor
JPS61118647A (ja) * 1984-11-14 1986-06-05 Agency Of Ind Science & Technol 半導体製造用水素化物ガスの検知装置

Also Published As

Publication number Publication date
GB2205652A (en) 1988-12-14
CA1270330A (fr) 1990-06-12
FR2616226A1 (fr) 1988-12-09
GB2205652B (en) 1991-05-22
GB8810005D0 (en) 1988-06-02
DE3818784A1 (de) 1988-12-15
DE3818784C2 (de) 1997-04-17
US4778998A (en) 1988-10-18

Similar Documents

Publication Publication Date Title
FR2640026B2 (fr) Dispositif de raccord rapide et appareillage pour sa mise en oeuvre
FR2650943B1 (fr) Dispositif et procede pour le sechage des ongles
DE3176433D1 (en) Optical system for intruder detecting device
KR880700248A (ko) 측정자를 감지하기 위한 장치 및 방법
JPS57111680A (en) Device for simultaneously generating and detecting record
NO862441L (no) Fremgangsmaate og apparat for agitering av et vaeskeholdig system.
EP0277745A3 (en) Methods and apparatus for detecting certain compounds
FR2514593B1 (fr) Procede et dispositif pour authentifier la signature d'un message signe
FR2618903B1 (fr) Dispositif detecteur de la mauvaise haleine
FR2593613B1 (fr) Ensemble, dispositif et appareil de deviation de faisceau pour imprimante
NO902235D0 (no) Fremgangsmaate og anordning for maaling av egenskaper ved et flerfase-fluidum.
FR2616226B1 (fr) Dispositif de compensation d'humidite pour un detecteur de type photo-ionisation, et appareil pour sa mise en oeuvre
EP0075676A3 (en) Optical track position detecting apparatus and optical information processor using the same
FR2656541B1 (fr) Dispositif en cassette pour la filtration de gaz.
FR2606737B1 (fr) Appareil pour envelopper des objets au moyen d'un film, et procede correspondant
FR2638023B1 (fr) Dispositif cryostatique pour detecteur de rayonnements
EP0145290A3 (en) Displacement measurement device, signal processing method and signal processing system utilising said method
KR880701863A (ko) 물품치수 결정방법 및 그 장치
FR2612309B1 (fr) Procede pour valider le fonctionnement d'un automatisme et dispositif pour sa mise en oeuvre
FR2543296B1 (fr) Procede et dispositif pour la preparation d'un echantillon de viande pour la determination de sa composition
FR2681134B1 (fr) Dispositif pour la detection de l'ouverture d'un appareil.
GB8712787D0 (en) Apparatus for detecting
FR2569022B1 (fr) Procede de detection de codes-barres et dispositif pour la mise en oeuvre du procede
JPS57162898A (en) Method and device for stereoscopicallly reproducing reference teelvision signal
FR2571128B1 (fr) Dispositif cryostatique pour photodetecteurs

Legal Events

Date Code Title Description
ST Notification of lapse