CA969775A - Apparatus for measuring visibility in a fluid - Google Patents
Apparatus for measuring visibility in a fluidInfo
- Publication number
- CA969775A CA969775A CA164,066A CA164066A CA969775A CA 969775 A CA969775 A CA 969775A CA 164066 A CA164066 A CA 164066A CA 969775 A CA969775 A CA 969775A
- Authority
- CA
- Canada
- Prior art keywords
- fluid
- measuring visibility
- visibility
- measuring
- 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
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
- G01N21/538—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke for determining atmospheric attenuation and visibility
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01W—METEOROLOGY
- G01W1/00—Meteorology
- G01W1/14—Rainfall or precipitation gauges
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Atmospheric Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Environmental Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE2208904A DE2208904C3 (de) | 1972-02-25 | 1972-02-25 | Gerät zur Messung von Sichtwetten |
Publications (1)
Publication Number | Publication Date |
---|---|
CA969775A true CA969775A (en) | 1975-06-24 |
Family
ID=5837054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA164,066A Expired CA969775A (en) | 1972-02-25 | 1973-02-20 | Apparatus for measuring visibility in a fluid |
Country Status (5)
Country | Link |
---|---|
US (1) | US3817623A (de) |
CA (1) | CA969775A (de) |
DE (1) | DE2208904C3 (de) |
FR (1) | FR2173148B1 (de) |
GB (1) | GB1400311A (de) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3900396A (en) * | 1974-03-22 | 1975-08-19 | Baxter Laboratories Inc | Blood leak detector |
JPS5166891A (ja) * | 1974-12-06 | 1976-06-09 | Nippon Steel Corp | Renzokushikibiryoyunodosokuteisochi |
CH639770A5 (de) * | 1979-10-02 | 1983-11-30 | Fruengel Frank | Sichtweitenmessgeraet. |
CH639769A5 (de) * | 1979-10-02 | 1983-11-30 | Fruengel Frank | Sichtweitenmessgeraet nach dem prinzip der vorwaertsstreuung und dessen verwendung. |
DE3026256A1 (de) * | 1980-07-11 | 1982-02-04 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Sensor fuer reifansatz |
US4432645A (en) * | 1980-10-10 | 1984-02-21 | Fruengel Frank | Forward-scatter visibility meter |
DE3248243A1 (de) * | 1982-12-28 | 1984-06-28 | Bernd Dipl.-Ing. 6000 Frankfurt Ambrosius | Vorrichtung zur truebungsmessung von fluessigkeiten, insbesondere zur bestimmung des schlammspiegels in absetzbecken von klaeranlagen |
DE3507147A1 (de) * | 1985-02-28 | 1986-09-04 | Dr. Bruno Lange Gmbh, 1000 Berlin | Verfahren und vorrichtung zum messen der sichttiefe waessriger loesungen |
GB2259761B (en) * | 1991-09-18 | 1995-04-05 | Graviner Ltd Kidde | Smoke and particle detector |
US20230051410A1 (en) * | 2021-08-10 | 2023-02-16 | Arm Limited | Circuitry and method |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1206169B (de) * | 1961-05-16 | 1965-12-02 | Fruengel Frank Dr Ing | Verfahren zur Sichtweitenmessung unter Einwirkung vollen Tageslichtes |
SE358478B (de) * | 1970-11-16 | 1973-07-30 | Asea Ab |
-
1972
- 1972-02-25 DE DE2208904A patent/DE2208904C3/de not_active Expired
-
1973
- 1973-02-09 GB GB654173A patent/GB1400311A/en not_active Expired
- 1973-02-15 US US00332748A patent/US3817623A/en not_active Expired - Lifetime
- 1973-02-20 CA CA164,066A patent/CA969775A/en not_active Expired
- 1973-02-22 FR FR7306209A patent/FR2173148B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3817623A (en) | 1974-06-18 |
DE2208904A1 (de) | 1973-08-30 |
GB1400311A (en) | 1975-07-16 |
DE2208904B2 (de) | 1975-03-27 |
FR2173148B1 (de) | 1983-09-23 |
DE2208904C3 (de) | 1975-11-06 |
FR2173148A1 (de) | 1973-10-05 |
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