FI941314A0 - Combined visibility and rain gauge - Google Patents

Combined visibility and rain gauge

Info

Publication number
FI941314A0
FI941314A0 FI941314A FI941314A FI941314A0 FI 941314 A0 FI941314 A0 FI 941314A0 FI 941314 A FI941314 A FI 941314A FI 941314 A FI941314 A FI 941314A FI 941314 A0 FI941314 A0 FI 941314A0
Authority
FI
Finland
Prior art keywords
rain gauge
combined visibility
visibility
combined
rain
Prior art date
Application number
FI941314A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI941314A (en
Inventor
Klaus Heyn
Original Assignee
Hagenuk Telecom Gmbh
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 Hagenuk Telecom Gmbh filed Critical Hagenuk Telecom Gmbh
Publication of FI941314A0 publication Critical patent/FI941314A0/en
Publication of FI941314A publication Critical patent/FI941314A/en

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
    • G01N21/532—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke with measurement of scattering and transmission

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)
FI941314A 1994-01-21 1994-03-21 Combined visibility and rain gauge FI941314A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19944401755 DE4401755C2 (en) 1994-01-21 1994-01-21 Combined visibility and precipitation measuring device

Publications (2)

Publication Number Publication Date
FI941314A0 true FI941314A0 (en) 1994-03-21
FI941314A FI941314A (en) 1995-07-22

Family

ID=6508419

Family Applications (1)

Application Number Title Priority Date Filing Date
FI941314A FI941314A (en) 1994-01-21 1994-03-21 Combined visibility and rain gauge

Country Status (3)

Country Link
EP (1) EP0664445A3 (en)
DE (1) DE4401755C2 (en)
FI (1) FI941314A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE59505713D1 (en) 1995-05-31 1999-05-27 Jenoptik Jena Gmbh Device and method for compensating for window contamination in visibility measuring devices
GB2309076B (en) * 1996-01-10 1999-08-11 Kidde Fire Protection Ltd Particle separation and detection apparatus
DE19631059A1 (en) * 1996-08-01 1998-02-05 Teves Gmbh Alfred Optical sensor with self-monitoring of transparency of light aperture
DE19801745A1 (en) * 1998-01-20 1999-07-22 Itt Mfg Enterprises Inc Car windscreen condition monitor for detecting rain
DE19929964A1 (en) * 1999-06-29 2001-01-04 Valeo Auto Electric Gmbh Device and method for detecting media such as water, fogging, dirt and the like on a window of a vehicle
DE20008289U1 (en) 2000-05-09 2000-08-10 Wobben, Aloys, 26607 Aurich Flight lighting device on wind turbines
DE102004006961B3 (en) * 2004-02-09 2005-08-11 Vaisala Gmbh Apparatus and method for measuring the atmospheric transmission and determining the meteorological visibility
CN100451621C (en) * 2005-12-02 2009-01-14 中国科学院安徽光学精密机械研究所 High precision forward multiangle atmosphere scattering measuring method
EP1798541B1 (en) 2005-12-13 2008-11-19 SICK MAIHAK GmbH Visibility measuring device using light scattering
ATE524724T1 (en) * 2006-07-20 2011-09-15 Sick Engineering Gmbh DEVICE AND METHOD FOR MEASURING LIGHT SCATTERING
EP3633415B1 (en) * 2018-10-02 2021-04-14 Vaisala, OYJ A forward scatter sensor
EP3633414B1 (en) 2018-10-02 2022-03-02 Vaisala, OYJ A forward scatter sensor
EA035955B1 (en) * 2019-03-20 2020-09-04 Белорусский Государственный Университет (Бгу) Method for determination of meteorological optical visibility range

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1257697A (en) * 1960-02-22 1961-04-07 Compteurs Comp D Improvements in measuring the average density of the atmosphere
DE2121088A1 (en) * 1970-05-02 1971-12-02 Plessey Handel Investment Ag Method and apparatus for measuring and monitoring atmospheric radiation attenuation
US5140168A (en) * 1990-12-03 1992-08-18 Great Lakes Instruments, Inc. Turbidimeter signal processing circuit using alternating light sources
US5373367A (en) * 1992-10-21 1994-12-13 Qualimetrics, Inc. Multiple angle and redundant visibility sensor

Also Published As

Publication number Publication date
EP0664445A2 (en) 1995-07-26
DE4401755C2 (en) 1997-08-28
DE4401755A1 (en) 1995-07-27
FI941314A (en) 1995-07-22
EP0664445A3 (en) 1995-12-06

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Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: JENOPTIK AG