GB9300688D0 - Improved smoke meter - Google Patents

Improved smoke meter

Info

Publication number
GB9300688D0
GB9300688D0 GB939300688A GB9300688A GB9300688D0 GB 9300688 D0 GB9300688 D0 GB 9300688D0 GB 939300688 A GB939300688 A GB 939300688A GB 9300688 A GB9300688 A GB 9300688A GB 9300688 D0 GB9300688 D0 GB 9300688D0
Authority
GB
United Kingdom
Prior art keywords
smoke meter
improved smoke
meter
improved
smoke
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.)
Withdrawn
Application number
GB939300688A
Other versions
GB2274332A (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.)
UK Secretary of State for Defence
Original Assignee
UK Secretary of State for Defence
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 UK Secretary of State for Defence filed Critical UK Secretary of State for Defence
Priority to GB9300688A priority Critical patent/GB2274332A/en
Publication of GB9300688D0 publication Critical patent/GB9300688D0/en
Publication of GB2274332A publication Critical patent/GB2274332A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15Preventing contamination of the components of the optical system or obstruction of the light path
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/01Arrangements or apparatus for facilitating the optical investigation
    • G01N21/15Preventing contamination of the components of the optical system or obstruction of the light path
    • G01N2021/151Gas blown
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47Scattering, i.e. diffuse reflection
    • G01N21/49Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
    • G01N21/534Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity

Landscapes

  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Optical Measuring Cells (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
GB9300688A 1993-01-15 1993-01-15 Smoke meter Withdrawn GB2274332A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9300688A GB2274332A (en) 1993-01-15 1993-01-15 Smoke meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9300688A GB2274332A (en) 1993-01-15 1993-01-15 Smoke meter

Publications (2)

Publication Number Publication Date
GB9300688D0 true GB9300688D0 (en) 1993-03-03
GB2274332A GB2274332A (en) 1994-07-20

Family

ID=10728729

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9300688A Withdrawn GB2274332A (en) 1993-01-15 1993-01-15 Smoke meter

Country Status (1)

Country Link
GB (1) GB2274332A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113048891A (en) * 2021-03-26 2021-06-29 佛山翰创检测仪器有限公司 Effective length measuring device of transmission-type smoke meter light channel

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPN965996A0 (en) 1996-05-03 1996-05-30 Vision Products Pty Ltd The detection of airborne pollutants
GB2343947B (en) * 1996-05-03 2000-08-02 Vision Products Pty Ltd Filter cartridge for the detection of airborne pollutants
DE10110066C1 (en) 2001-03-02 2002-06-20 Parsum Ges Fuer Partikel Stroe Particle size sensor has cleaning unit improves service interval
CA2488694A1 (en) * 2002-06-07 2004-01-15 Kyowa Hakko Kogyo Co., Ltd. Powder concentration measuring apparatus and automatic powder spray amount control system using the same
DE102007056682A1 (en) * 2007-11-24 2009-06-04 Technische Universität Kaiserslautern Device and measuring arrangement for determining the particle concentration, the particle size, the mean particle size and the particle size distribution of the particles of a disperse phase within a disperse system and its turbidity
CN103335970A (en) * 2013-06-28 2013-10-02 聚光科技(杭州)股份有限公司 Flue gas denitration monitoring system and method
JP6480476B2 (en) * 2014-06-19 2019-03-13 ダンフォス・アイエックスエイ・エイ/エス Probe for gas sensor having purge gas protection device
CN106537117B (en) * 2014-06-19 2019-09-10 丹佛斯Ixa有限公司 The probe of gas sensor with gas discrete sampling air-flow

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB337212A (en) * 1928-11-09 1930-10-30 Ass Elect Ind Improvements relating to smoke indicating or recording appliances
GB704052A (en) * 1952-05-07 1954-02-17 Anglo Iranian Oil Co Ltd Improvements in or relating to smokemeters
GB1135146A (en) * 1967-07-11 1968-11-27 Central Electr Generat Board Optical devices for examination of smoke or dust laden gas
US3628028A (en) * 1968-03-01 1971-12-14 Honeywell Inc Window cleaning apparatus for photometric instruments
GB1327377A (en) * 1970-09-10 1973-08-22 Central Electr Generat Board Smoke recorders
GB1549208A (en) * 1977-07-21 1979-08-01 South Western Ind Res Smoke meters
US4786188A (en) * 1986-02-27 1988-11-22 Rosemont Inc. Purge air system for a combustion instrument
US5146244A (en) * 1990-01-23 1992-09-08 Rosemount Inc. Window purging system for a combustion instrument
US5353629A (en) * 1991-07-05 1994-10-11 L. L. Churchill Limited Smoke meter

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113048891A (en) * 2021-03-26 2021-06-29 佛山翰创检测仪器有限公司 Effective length measuring device of transmission-type smoke meter light channel

Also Published As

Publication number Publication date
GB2274332A (en) 1994-07-20

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)