JPS5566736A - Moisture meter - Google Patents

Moisture meter

Info

Publication number
JPS5566736A
JPS5566736A JP14062378A JP14062378A JPS5566736A JP S5566736 A JPS5566736 A JP S5566736A JP 14062378 A JP14062378 A JP 14062378A JP 14062378 A JP14062378 A JP 14062378A JP S5566736 A JPS5566736 A JP S5566736A
Authority
JP
Japan
Prior art keywords
signal
arithmetic unit
divider
corrected
outputs
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.)
Granted
Application number
JP14062378A
Other languages
Japanese (ja)
Other versions
JPS5746503B2 (en
Inventor
Hisashi Tamura
Naozo Taniguchi
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.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Hokushin Electric Corp
Yokogawa Electric Works Ltd
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 Yokogawa Hokushin Electric Corp, Yokogawa Electric Works Ltd filed Critical Yokogawa Hokushin Electric Corp
Priority to JP14062378A priority Critical patent/JPS5566736A/en
Publication of JPS5566736A publication Critical patent/JPS5566736A/en
Publication of JPS5746503B2 publication Critical patent/JPS5746503B2/ja
Granted 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
    • 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
    • G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
    • G01N21/3554—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content
    • G01N21/3559—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for determining moisture content in sheets, e.g. in paper

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)
  • Investigating Or Analysing Materials By Optical Means (AREA)

Abstract

PURPOSE:To reduce the influence due to the change of materials mixing ratio by measuring R-signal(according to reference light) and M-signal(according to measured light) corresponding to the transmitted light intensity and providing arithmetic means to correct the function signal of M/R or R/M with the function signal of R-signal. CONSTITUTION:R-signal according to reference light is input to an arithmetic unit 5 and a divider 3, and outputs of Y(R), M/R are obtained. When these outputs and manual setting signals a, b are supplied into an arithmetic unit 4', output from the arithmetic unit 4' becomes to the signal corresponding to the moisture amount MW and this value is corrected for the influence depending on paper quality. In addition, moisture percent signal MP obtained through the division of the signal MW by bulk weight signal BW with a divider 6 is also corrected for the influence depending on paper quality.
JP14062378A 1978-11-15 1978-11-15 Moisture meter Granted JPS5566736A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14062378A JPS5566736A (en) 1978-11-15 1978-11-15 Moisture meter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14062378A JPS5566736A (en) 1978-11-15 1978-11-15 Moisture meter

Publications (2)

Publication Number Publication Date
JPS5566736A true JPS5566736A (en) 1980-05-20
JPS5746503B2 JPS5746503B2 (en) 1982-10-04

Family

ID=15273001

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14062378A Granted JPS5566736A (en) 1978-11-15 1978-11-15 Moisture meter

Country Status (1)

Country Link
JP (1) JPS5566736A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01113634A (en) * 1987-10-28 1989-05-02 Japan Tobacco Inc Infrared-ray moisture measuring apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01113634A (en) * 1987-10-28 1989-05-02 Japan Tobacco Inc Infrared-ray moisture measuring apparatus

Also Published As

Publication number Publication date
JPS5746503B2 (en) 1982-10-04

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