FI73525C - Elektronisk maetanordning. - Google Patents

Elektronisk maetanordning. Download PDF

Info

Publication number
FI73525C
FI73525C FI823699A FI823699A FI73525C FI 73525 C FI73525 C FI 73525C FI 823699 A FI823699 A FI 823699A FI 823699 A FI823699 A FI 823699A FI 73525 C FI73525 C FI 73525C
Authority
FI
Finland
Prior art keywords
measuring
detector
circuit
transmitters
transmitter
Prior art date
Application number
FI823699A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI823699A0 (fi
FI73525B (fi
FI823699L (fi
Inventor
Roland Einar Jelvestam
Paer-Haokan Sture Bergstroem
Original Assignee
Bergstroem Paer Haokan Sture
Roland Einar Jelvestam
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 Bergstroem Paer Haokan Sture, Roland Einar Jelvestam filed Critical Bergstroem Paer Haokan Sture
Publication of FI823699A0 publication Critical patent/FI823699A0/fi
Publication of FI823699L publication Critical patent/FI823699L/fi
Application granted granted Critical
Publication of FI73525B publication Critical patent/FI73525B/fi
Publication of FI73525C publication Critical patent/FI73525C/fi

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)
  • Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
FI823699A 1981-11-25 1982-10-29 Elektronisk maetanordning. FI73525C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8107026A SE453015B (sv) 1981-11-25 1981-11-25 Metanordning avsedd for metning av koncentrationen av partiklar som transporteras med en vetska genom ett ror
SE8107026 1981-11-25

Publications (4)

Publication Number Publication Date
FI823699A0 FI823699A0 (fi) 1982-10-29
FI823699L FI823699L (fi) 1983-05-26
FI73525B FI73525B (fi) 1987-06-30
FI73525C true FI73525C (fi) 1987-10-09

Family

ID=20345126

Family Applications (1)

Application Number Title Priority Date Filing Date
FI823699A FI73525C (fi) 1981-11-25 1982-10-29 Elektronisk maetanordning.

Country Status (6)

Country Link
JP (1) JPS5897645A (fr)
AU (1) AU561251B2 (fr)
DE (1) DE3239575C2 (fr)
FI (1) FI73525C (fr)
FR (1) FR2517058B1 (fr)
SE (1) SE453015B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3715507A1 (de) * 1987-05-09 1988-11-17 Berufsgenossenschaft Nahrungsm Verfahren und vorrichtung zur messung von staubkonzentrationen in gasen oder festpartikelkonzentrationen in fluessigkeiten
DE4014739A1 (de) * 1990-05-08 1991-11-28 Monitek Gmbh Messvorrichtung
SE502148C2 (sv) * 1993-12-03 1995-08-28 Bexelius Anordning för mätning av mängden fast substans i ett fluidum med ljus
DE102005025181A1 (de) * 2005-06-01 2006-12-07 Sick Engineering Gmbh Partikelkonzentrations-Messvorrichtung und Messverfahren

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1598834A (fr) * 1968-12-27 1970-07-06
DE2137585A1 (de) * 1971-07-27 1973-02-08 Tokyo Keiki Kk Vorrichtung zur feststellung und/oder messung von fluessigkeits-verunreinigungen
JPS5031881B2 (fr) * 1971-09-16 1975-10-16
US3810695A (en) * 1972-12-14 1974-05-14 Gam Rad Fluid analyzer with variable light path
SE382116B (sv) * 1973-09-27 1976-01-12 H O T Wiksell Sett for fotometrisk uppmetning av slamhalten vid rening av avloppsvatten samt anordning for genomforande av forfarandet
US3954342A (en) * 1974-03-28 1976-05-04 Jan Boeke Optical device for monitoring clarity of a fluid
JPS5126080A (fr) * 1974-08-27 1976-03-03 Sharp Kk
US4080076A (en) * 1976-07-28 1978-03-21 Optronix Inc. Suspended solids analyzer using multiple light sources and photodetectors
US4243883A (en) * 1979-01-19 1981-01-06 Midwest Cardiovascular Institute Foundation Blood hematocrit monitoring system
GB2097529B (en) * 1981-04-28 1984-09-19 Itt Ind Ltd Detecting oil in water

Also Published As

Publication number Publication date
FR2517058B1 (fr) 1986-08-08
SE453015B (sv) 1988-01-04
FI823699A0 (fi) 1982-10-29
FR2517058A1 (fr) 1983-05-27
SE8107026L (sv) 1983-05-26
FI73525B (fi) 1987-06-30
AU9065782A (en) 1984-05-31
DE3239575C2 (de) 1994-08-11
AU561251B2 (en) 1987-05-07
FI823699L (fi) 1983-05-26
JPS5897645A (ja) 1983-06-10
DE3239575A1 (de) 1983-07-07

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: BERGSTROEM, PAER-HAKAN STURE

Owner name: JELVESTAM, ROLAND EINAR