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Title:
METHOD AND APPARATUS FOR MEASURING MOISTURE IN BUTTER
Document Type and Number:
Japanese Patent JPH07270309
Kind Code:
A
Abstract:

PURPOSE: To obtain a method and an apparatus for measuring moisture in butter which enable the measuring of moisture in butter on line and moreover, at high accuracy and is free from the effect of difference in the production unit of cream, the changing of operating conditions of a butter making machine and furthermore, the temperature of the butter or the like.

CONSTITUTION: This method and apparatus are for measuring the content of moisture in butter highly accurately. A near-infrared moisture meter which can radiates and receives respective wavelengths of near-infrared rays to be absorbed by moisture and fat in butter and three wavelengths as comparison wavelengths equally affected by disturbance without being absorbed by the moisture and the fat, a displacement sensor 1 to measure a distance from a sensor section of the near infrared moisture meter to the butter and a temperature sensor 5 to measure the temperature of the butter are used to compute the content of moisture from the absorbance of the near-infrared rays corrected by the distance to the surface of the butter from the sensor 1 of the near- infrared moisture meter and the temperature of the butter. Moreover, the results are corrected by a data pertaining to hue of the butter.


Inventors:
Sasaki, Toshiyuki
Honda, Yoshihiko
Morita, Masaru
Application Number:
JP1994000058897
Publication Date:
October 20, 1995
Filing Date:
March 29, 1994
Export Citation:
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Assignee:
SNOW BRAND MILK PROD CO LTD
International Classes:
G01N33/04; A23C15/00; G01N21/3554; (IPC1-7): G01N21/35; A23C15/00; G01N33/04
Domestic Patent References:
JPH0447254A
JPS62168036A
JPS6367547A
JPS52105877A
Attorney, Agent or Firm:
渡辺 勤 (外1名)