CH367649A - Device for automatic and continuous measurement of a light transmission characteristic of a fluid - Google Patents

Device for automatic and continuous measurement of a light transmission characteristic of a fluid

Info

Publication number
CH367649A
CH367649A CH1434260A CH1434260A CH367649A CH 367649 A CH367649 A CH 367649A CH 1434260 A CH1434260 A CH 1434260A CH 1434260 A CH1434260 A CH 1434260A CH 367649 A CH367649 A CH 367649A
Authority
CH
Switzerland
Prior art keywords
automatic
fluid
light transmission
transmission characteristic
continuous measurement
Prior art date
Application number
CH1434260A
Other languages
French (fr)
Inventor
H Jr Luppold Robert
M Stough Donald
Original Assignee
Hagan Pneutronics S A
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 Hagan Pneutronics S A filed Critical Hagan Pneutronics S A
Publication of CH367649A publication Critical patent/CH367649A/en

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/10—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void
    • G01J1/20—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle
    • G01J1/22—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means
    • G01J1/24—Photometry, e.g. photographic exposure meter by comparison with reference light or electric value provisionally void intensity of the measured or reference value being varied to equalise their effects at the detectors, e.g. by varying incidence angle using a variable element in the light-path, e.g. filter, polarising means using electric radiation detectors
    • 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
    • G01N21/21—Polarisation-affecting properties
    • 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
    • G01N21/75—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated
    • G01N21/77—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator
    • G01N21/78—Systems in which material is subjected to a chemical reaction, the progress or the result of the reaction being investigated by observing the effect on a chemical indicator producing a change of colour

Landscapes

  • Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Pathology (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Plasma & Fusion (AREA)
  • Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
  • Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
CH1434260A 1959-12-23 1960-12-23 Device for automatic and continuous measurement of a light transmission characteristic of a fluid CH367649A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86158959A 1959-12-23 1959-12-23

Publications (1)

Publication Number Publication Date
CH367649A true CH367649A (en) 1963-02-28

Family

ID=25336212

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1434260A CH367649A (en) 1959-12-23 1960-12-23 Device for automatic and continuous measurement of a light transmission characteristic of a fluid

Country Status (4)

Country Link
CH (1) CH367649A (en)
GB (1) GB963488A (en)
LU (1) LU39673A1 (en)
NL (1) NL259414A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0312765A2 (en) * 1987-10-23 1989-04-26 International Business Machines Corporation Nulling optical bridge for contactless measurement of changes in reflectivity and/or transmissivity

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0312765A2 (en) * 1987-10-23 1989-04-26 International Business Machines Corporation Nulling optical bridge for contactless measurement of changes in reflectivity and/or transmissivity
EP0312765A3 (en) * 1987-10-23 1990-08-29 International Business Machines Corporation Nulling optical bridge for contactless measurement of changes in reflectivity and/or transmissivity

Also Published As

Publication number Publication date
LU39673A1 (en) 1961-03-20
NL259414A (en)
GB963488A (en) 1964-07-08

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