JPS5223383A - Apparatus for determination of smoke concentration - Google Patents
Apparatus for determination of smoke concentrationInfo
- Publication number
- JPS5223383A JPS5223383A JP9970175A JP9970175A JPS5223383A JP S5223383 A JPS5223383 A JP S5223383A JP 9970175 A JP9970175 A JP 9970175A JP 9970175 A JP9970175 A JP 9970175A JP S5223383 A JPS5223383 A JP S5223383A
- Authority
- JP
- Japan
- Prior art keywords
- determination
- smoke concentration
- wavelength
- water
- infrared rays
- 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.)
- Granted
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
- G01N21/17—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)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
PURPOSE:To accurately measure smoke concentrations by the use of the wavelength-selective absorption characteristics of water to infrared rays.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9970175A JPS5223383A (en) | 1975-08-15 | 1975-08-15 | Apparatus for determination of smoke concentration |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9970175A JPS5223383A (en) | 1975-08-15 | 1975-08-15 | Apparatus for determination of smoke concentration |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5223383A true JPS5223383A (en) | 1977-02-22 |
JPS5547810B2 JPS5547810B2 (en) | 1980-12-02 |
Family
ID=14254346
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9970175A Granted JPS5223383A (en) | 1975-08-15 | 1975-08-15 | Apparatus for determination of smoke concentration |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5223383A (en) |
-
1975
- 1975-08-15 JP JP9970175A patent/JPS5223383A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5547810B2 (en) | 1980-12-02 |
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