JPS4991295A - - Google Patents

Info

Publication number
JPS4991295A
JPS4991295A JP48140208A JP14020873A JPS4991295A JP S4991295 A JPS4991295 A JP S4991295A JP 48140208 A JP48140208 A JP 48140208A JP 14020873 A JP14020873 A JP 14020873A JP S4991295 A JPS4991295 A JP S4991295A
Authority
JP
Japan
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.)
Pending
Application number
JP48140208A
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 JPS4991295A publication Critical patent/JPS4991295A/ja
Pending 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
    • G01N27/60—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating electrostatic variables, e.g. electrographic flaw testing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/0004—Gaseous mixtures, e.g. polluted air
    • G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
    • G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
    • G01N33/0031—General constructional details of gas analysers, e.g. portable test equipment concerning the detector comprising two or more sensors, e.g. a sensor array

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Immunology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Sampling And Sample Adjustment (AREA)
JP48140208A 1972-12-16 1973-12-14 Pending JPS4991295A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2261792A DE2261792C2 (de) 1972-12-16 1972-12-16 Vorrichtung zur Messung der Luftverschmutzung

Publications (1)

Publication Number Publication Date
JPS4991295A true JPS4991295A (ja) 1974-08-31

Family

ID=5864663

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48140208A Pending JPS4991295A (ja) 1972-12-16 1973-12-14

Country Status (10)

Country Link
US (1) US3889180A (ja)
JP (1) JPS4991295A (ja)
BR (1) BR7307570D0 (ja)
CA (1) CA997423A (ja)
CH (1) CH550399A (ja)
DE (1) DE2261792C2 (ja)
FR (1) FR2214377A5 (ja)
GB (1) GB1367440A (ja)
IL (1) IL42851A (ja)
IT (1) IT994174B (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006300837A (ja) * 2005-04-22 2006-11-02 Matsushita Electric Works Ltd 帯電粒子量評価装置および帯電粒子量評価方法

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4121458A (en) * 1977-02-24 1978-10-24 Westinghouse Electric Corp. Reliable dynamoelectric machine condition monitor
US4114088A (en) * 1977-02-28 1978-09-12 Cecil Alfred Laws Atmospheric ion density measurement
GB1578157A (en) * 1977-07-06 1980-11-05 Univ Bradford Method and apparatus for monitoring particle sizes
US4264331A (en) * 1977-08-03 1981-04-28 Johnson Controls, Inc. Charged non-conductive polar gas sensing element and detection system
SE435577B (sv) * 1982-09-22 1984-10-08 Nederman Bill P Ph Sett att overvaka forendringar av filtreringseffekten hos filtreringsanordningar for utskiljning av fororeningar ur gasfloden, spec skadliga substanser ur svetsgaser, och anordning for genomforande av ifragavarande sett
DE3311194A1 (de) * 1983-03-26 1984-10-04 Kernforschungsanlage Jülich GmbH, 5170 Jülich Druckmessgeraet fuer tritiumdrucke von 0,1 mbar bis 100 bar
FI75055C (fi) * 1986-06-03 1988-04-11 Puumalaisen Tutkimuslaitos Oy Foerfarande foer observerande av ingredienshalter av gas.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3679973A (en) * 1970-10-20 1972-07-25 Us Interior Electrogasdynamic dust monitor
US3763428A (en) * 1971-11-26 1973-10-02 Varian Associates Simultaneous measurement of the size distribution of aerosol particles and the number of particles of each size in a flowing gaseous medium

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006300837A (ja) * 2005-04-22 2006-11-02 Matsushita Electric Works Ltd 帯電粒子量評価装置および帯電粒子量評価方法

Also Published As

Publication number Publication date
IL42851A0 (en) 1973-10-25
DE2261792B1 (de) 1974-02-28
GB1367440A (en) 1974-09-18
DE2261792A1 (ja) 1974-02-28
IT994174B (it) 1975-10-20
CA997423A (en) 1976-09-21
FR2214377A5 (ja) 1974-08-09
US3889180A (en) 1975-06-10
DE2261792C2 (de) 1974-10-03
CH550399A (de) 1974-06-14
IL42851A (en) 1976-05-31
BR7307570D0 (pt) 1974-08-15

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