FI793205A - Foerfarande och anordning foer maetning av egenskaper hos partiklar i en gas - Google Patents

Foerfarande och anordning foer maetning av egenskaper hos partiklar i en gas

Info

Publication number
FI793205A
FI793205A FI793205A FI793205A FI793205A FI 793205 A FI793205 A FI 793205A FI 793205 A FI793205 A FI 793205A FI 793205 A FI793205 A FI 793205A FI 793205 A FI793205 A FI 793205A
Authority
FI
Finland
Prior art keywords
particular purpose
maintenance against
maintenance
Prior art date
Application number
FI793205A
Other languages
English (en)
Inventor
Pekka M Typpo
Original Assignee
Measurex Corp
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 Measurex Corp filed Critical Measurex Corp
Publication of FI793205A publication Critical patent/FI793205A/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)
FI793205A 1979-02-02 1979-10-16 Foerfarande och anordning foer maetning av egenskaper hos partiklar i en gas FI793205A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/008,865 US4247205A (en) 1979-02-02 1979-02-02 Gas measuring apparatus with standardization means, and method therefor

Publications (1)

Publication Number Publication Date
FI793205A true FI793205A (fi) 1980-08-03

Family

ID=21734139

Family Applications (1)

Application Number Title Priority Date Filing Date
FI793205A FI793205A (fi) 1979-02-02 1979-10-16 Foerfarande och anordning foer maetning av egenskaper hos partiklar i en gas

Country Status (4)

Country Link
US (1) US4247205A (fi)
CA (1) CA1122434A (fi)
FI (1) FI793205A (fi)
WO (1) WO1980001609A1 (fi)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2066947B (en) * 1980-01-09 1984-06-20 Measurex Corp Gas measuring apparatus with adjustable path length and method for operation and standardization therefor
DE3022114C2 (de) * 1980-06-12 1983-05-26 Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch Vorrichtung zur Messung des optischen Transmissions- bzw. Absorptionsvermögens eines lichtdurchlässigen Materials
US4381894A (en) * 1980-11-06 1983-05-03 Inficon Leybold-Heraeus, Inc. Deposition monitor and control system
US4640621A (en) * 1983-06-17 1987-02-03 Eastern Technical Associates, Inc. Transmissometer and optical elements therefor
US4583859A (en) * 1984-03-30 1986-04-22 The Babcock & Wilcox Company Filter cleaning system for opacity monitor
JPH0526992Y2 (fi) * 1986-09-22 1993-07-08
US5559324A (en) * 1995-03-23 1996-09-24 In/Us Systems, Inc. Continuous sample detector with standard
US5698846A (en) * 1995-10-18 1997-12-16 Tycor International Device and method for improved monitoring of clipping components within surge protection devices
US5856670A (en) * 1997-02-14 1999-01-05 Rapkin; Edward Continuous sample detector with multiple cells
GB2384555B (en) * 2001-01-16 2005-05-04 Teraview Ltd Apparatus and method for investigating a sample
DE10223239A1 (de) * 2002-05-24 2003-12-04 Linde Ag Vorrichtung und Verfahren zur spektroskopischen Messung einer Gaskonzentration durch Bestimmung einer einzelnen Absorptionslinie
GB2390893A (en) * 2002-07-15 2004-01-21 Pcme Ltd Method and apparatus for monitoring particles in a stack
GB2422897A (en) 2005-02-02 2006-08-09 Pcme Ltd A monitor for monitoring particles flowing in a stack

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2498506A (en) * 1947-06-11 1950-02-21 Atlantic Refining Co Optical metering means for gas using a sliding tube
US3895233A (en) * 1972-10-26 1975-07-15 Bailey Meter Co Gas analyzer
DE2430672A1 (de) * 1974-06-26 1976-01-15 Steag Ag Vorrichtung zum eichen eines geraetes zur optischen dichtemessung in einem rauchgaskanal

Also Published As

Publication number Publication date
CA1122434A (en) 1982-04-27
WO1980001609A1 (en) 1980-08-07
US4247205A (en) 1981-01-27

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Legal Events

Date Code Title Description
FD Application lapsed

Owner name: MEASUREX CORPORATION