GB1416619A - Moisture gauge with opacity type compensation - Google Patents

Moisture gauge with opacity type compensation

Info

Publication number
GB1416619A
GB1416619A GB4821173A GB4821173A GB1416619A GB 1416619 A GB1416619 A GB 1416619A GB 4821173 A GB4821173 A GB 4821173A GB 4821173 A GB4821173 A GB 4821173A GB 1416619 A GB1416619 A GB 1416619A
Authority
GB
United Kingdom
Prior art keywords
opacity
moisture
measuring
signal
oct
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
Application number
GB4821173A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeywell Measurex Corp
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 GB1416619A publication Critical patent/GB1416619A/en
Expired legal-status Critical Current

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
    • G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
    • G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
    • G01N21/314—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry with comparison of measurements at specific and non-specific wavelengths
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/34—Paper
    • G01N33/346—Paper sheets

Landscapes

  • Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (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)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Medicinal Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Paper (AREA)
  • Analysing Materials By The Use Of Radiation (AREA)
GB4821173A 1972-10-27 1973-10-16 Moisture gauge with opacity type compensation Expired GB1416619A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30152172A 1972-10-27 1972-10-27

Publications (1)

Publication Number Publication Date
GB1416619A true GB1416619A (en) 1975-12-03

Family

ID=23163743

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4821173A Expired GB1416619A (en) 1972-10-27 1973-10-16 Moisture gauge with opacity type compensation

Country Status (6)

Country Link
JP (2) JPS4988588A (enrdf_load_stackoverflow)
CA (1) CA1000406A (enrdf_load_stackoverflow)
FI (1) FI56592C (enrdf_load_stackoverflow)
FR (1) FR2205195A5 (enrdf_load_stackoverflow)
GB (1) GB1416619A (enrdf_load_stackoverflow)
SE (1) SE390765B (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2303444A (en) * 1995-07-13 1997-02-19 Protimeter Plc Method of and apparatus for detecting moisture
GB2334097B (en) * 1998-02-06 2002-08-07 British Gas Plc Method and apparatus to detect the presence of water on a surface

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4006358A (en) * 1975-06-12 1977-02-01 Measurex Corporation Method and apparatus for measuring the amount of moisture that is associated with a web of moving material
JPS5387281A (en) * 1977-01-11 1978-08-01 Toshiba Electronic Systems Optical moisture meter
GB2013881B (en) * 1978-02-03 1982-06-16 Measurex Corp Method of measuring the amount of substance associated with a material in the presence of a contaminant
JPS62288554A (ja) * 1986-06-03 1987-12-15 プ−マライセン　ツツトキムスライトス　オ−ワイ 連続材料ウエブの横断面の特性を測定する方法

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS479916U (enrdf_load_stackoverflow) * 1971-03-08 1972-10-05

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2303444A (en) * 1995-07-13 1997-02-19 Protimeter Plc Method of and apparatus for detecting moisture
GB2303444B (en) * 1995-07-13 1999-03-10 Protimeter Plc Method of and apparatus for detecting moisture
GB2334097B (en) * 1998-02-06 2002-08-07 British Gas Plc Method and apparatus to detect the presence of water on a surface

Also Published As

Publication number Publication date
FI56592B (fi) 1979-10-31
FR2205195A5 (enrdf_load_stackoverflow) 1974-05-24
SE390765B (sv) 1977-01-17
CA1000406A (en) 1976-11-23
JPS4988588A (enrdf_load_stackoverflow) 1974-08-23
DE2353772A1 (de) 1974-05-22
JPS5418295U (enrdf_load_stackoverflow) 1979-02-06
FI56592C (fi) 1980-02-11
DE2353772B2 (de) 1977-01-27

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Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years

Effective date: 19931015