GB1367440A - Apparatus for measuring air pollution - Google Patents

Apparatus for measuring air pollution

Info

Publication number
GB1367440A
GB1367440A GB3554973A GB3554973A GB1367440A GB 1367440 A GB1367440 A GB 1367440A GB 3554973 A GB3554973 A GB 3554973A GB 3554973 A GB3554973 A GB 3554973A GB 1367440 A GB1367440 A GB 1367440A
Authority
GB
United Kingdom
Prior art keywords
air pollution
measurement
ratio
measuring air
air
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
GB3554973A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of GB1367440A publication Critical patent/GB1367440A/en
Expired 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)
GB3554973A 1972-12-16 1973-07-26 Apparatus for measuring air pollution Expired GB1367440A (en)

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
GB1367440A true GB1367440A (en) 1974-09-18

Family

ID=5864663

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3554973A Expired GB1367440A (en) 1972-12-16 1973-07-26 Apparatus for measuring air pollution

Country Status (10)

Country Link
US (1) US3889180A (US20110232667A1-20110929-C00004.png)
JP (1) JPS4991295A (US20110232667A1-20110929-C00004.png)
BR (1) BR7307570D0 (US20110232667A1-20110929-C00004.png)
CA (1) CA997423A (US20110232667A1-20110929-C00004.png)
CH (1) CH550399A (US20110232667A1-20110929-C00004.png)
DE (1) DE2261792C2 (US20110232667A1-20110929-C00004.png)
FR (1) FR2214377A5 (US20110232667A1-20110929-C00004.png)
GB (1) GB1367440A (US20110232667A1-20110929-C00004.png)
IL (1) IL42851A (US20110232667A1-20110929-C00004.png)
IT (1) IT994174B (US20110232667A1-20110929-C00004.png)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3334162A1 (de) * 1982-09-22 1984-03-22 Bill Peter Philip 25233 Helsingborg Nederman Verfahren zur erfassung von veraenderungen in der filterwirkung bei filtereinrichtungen fuer die abscheidung von verunreinigungen aus fliessenden, gasfoermigen medien und einrichtung zur ausfuehrung des verfahrens
GB2138147A (en) * 1983-03-26 1984-10-17 Kernforschungsanlage Juelich Tritium pressure measurement

Families Citing this family (6)

* 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
FI75055C (fi) * 1986-06-03 1988-04-11 Puumalaisen Tutkimuslaitos Oy Foerfarande foer observerande av ingredienshalter av gas.
JP4655738B2 (ja) * 2005-04-22 2011-03-23 パナソニック電工株式会社 帯電粒子量評価装置および帯電粒子量評価方法

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 (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3334162A1 (de) * 1982-09-22 1984-03-22 Bill Peter Philip 25233 Helsingborg Nederman Verfahren zur erfassung von veraenderungen in der filterwirkung bei filtereinrichtungen fuer die abscheidung von verunreinigungen aus fliessenden, gasfoermigen medien und einrichtung zur ausfuehrung des verfahrens
GB2127556A (en) * 1982-09-22 1984-04-11 Nederman Bill P Ph Sensing changes in the filtering effects of gaseous filters
GB2138147A (en) * 1983-03-26 1984-10-17 Kernforschungsanlage Juelich Tritium pressure measurement

Also Published As

Publication number Publication date
BR7307570D0 (pt) 1974-08-15
US3889180A (en) 1975-06-10
IL42851A (en) 1976-05-31
JPS4991295A (US20110232667A1-20110929-C00004.png) 1974-08-31
IT994174B (it) 1975-10-20
CA997423A (en) 1976-09-21
DE2261792B1 (de) 1974-02-28
DE2261792A1 (US20110232667A1-20110929-C00004.png) 1974-02-28
IL42851A0 (en) 1973-10-25
CH550399A (de) 1974-06-14
DE2261792C2 (de) 1974-10-03
FR2214377A5 (US20110232667A1-20110929-C00004.png) 1974-08-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees