GB9300688D0 - Improved smoke meter - Google Patents
Improved smoke meterInfo
- 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- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/15—Preventing contamination of the components of the optical system or obstruction of the light path
- G01N2021/151—Gas blown
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/534—Scattering, 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)
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)
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)
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)
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 |
-
1993
- 1993-01-15 GB GB9300688A patent/GB2274332A/en not_active Withdrawn
Cited By (1)
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) |