Title:
ZERO CORRECTION METHOD OF FLOW METER AND FLOWMETER USING THE SAME
Document Type and Number:
Japanese Patent JP2003270008
Kind Code:
A
Abstract:
To carry out zero correction of flow rate without affecting the use of a user.
While measuring the flow rate of an object fluid with a flowmeter, the object fluid is temporarily shut off during a period when the object fluid is not used at a prescribed time. Then, a zero correction value representing a difference between zero value and a measured value of the flow meter during the period is obtained, and the zero correction of the measured value of the flow meter is carried out based on the zero correction value.
Inventors:
Ueki, Koichi
Onishi, Kaoru
Onishi, Kaoru
Application Number:
JP2002000071157
Publication Date:
September 25, 2003
Filing Date:
March 15, 2002
Export Citation:
Assignee:
MATSUSHITA ELECTRIC IND CO LTD
International Classes:
G01F1/00; G01F1/66; G01F25/00; G01F1/00; G01F1/66; G01F25/00; (IPC1-7): G01F1/00; G01F1/66; G01F25/00