JPH0315145B2 - - Google Patents
Info
- Publication number
- JPH0315145B2 JPH0315145B2 JP5036684A JP5036684A JPH0315145B2 JP H0315145 B2 JPH0315145 B2 JP H0315145B2 JP 5036684 A JP5036684 A JP 5036684A JP 5036684 A JP5036684 A JP 5036684A JP H0315145 B2 JPH0315145 B2 JP H0315145B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical fiber
- dust concentration
- measuring device
- dust
- 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
Links
- 239000000428 dust Substances 0.000 claims description 42
- 239000013307 optical fiber Substances 0.000 claims description 30
- 238000000149 argon plasma sintering Methods 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 230000003287 optical effect Effects 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims 1
- 239000000835 fiber Substances 0.000 description 8
- 238000005259 measurement Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
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
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)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5036684A JPS60194333A (ja) | 1984-03-15 | 1984-03-15 | 粉塵濃度測定装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5036684A JPS60194333A (ja) | 1984-03-15 | 1984-03-15 | 粉塵濃度測定装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60194333A JPS60194333A (ja) | 1985-10-02 |
| JPH0315145B2 true JPH0315145B2 (pt) | 1991-02-28 |
Family
ID=12856888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5036684A Granted JPS60194333A (ja) | 1984-03-15 | 1984-03-15 | 粉塵濃度測定装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60194333A (pt) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7505132B2 (en) * | 2006-03-23 | 2009-03-17 | Hach Company | Self calibrating measurement system |
| JP6252908B2 (ja) * | 2014-09-04 | 2017-12-27 | パナソニックIpマネジメント株式会社 | 粒子検出センサ |
-
1984
- 1984-03-15 JP JP5036684A patent/JPS60194333A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60194333A (ja) | 1985-10-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TRDD | Decision of grant or rejection written | ||
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |