FLOWMETER, METHOD FOR CONTROLLING THE SAME, AND RECORD MEDIUM RECORDING CONTROL PROGRAM

FLOWMETER, METHOD FOR CONTROLLING THE SAME, AND RECORD MEDIUM RECORDING CONTROL PROGRAM

PROBLEM TO BE SOLVED: To provide a flowmeter which can make high speed and high accuracy measurement. SOLUTION: A frequency measuring part 21 measures frequency of a pulse signal corresponding to a flow rate from a sensor 11, and an instantaneous flow rate calculation part 22 and an integration flow...

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Hauptverfasser: NAKAHARA SEIICHI, YAMANAKA HIDEMI, KITAMURA AKINORI
Format: Patent
Sprache:eng
Schlagworte:
CONTROLLING
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
REGULATING
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
TESTING
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creator NAKAHARA SEIICHI
YAMANAKA HIDEMI
KITAMURA AKINORI
description PROBLEM TO BE SOLVED: To provide a flowmeter which can make high speed and high accuracy measurement. SOLUTION: A frequency measuring part 21 measures frequency of a pulse signal corresponding to a flow rate from a sensor 11, and an instantaneous flow rate calculation part 22 and an integration flow rate calculation part 23 calculate an instantaneous flow rate and an integration flow rate based on the frequency. In addition, a prediction calculation part 25 calculates a predicted integration flow rate at next measurement timing, and when the predicted integration flow rate exceeds a set integration flow rate value, a measurement cycle of the frequency measuring part 21 is shortened. Thus when the integration flow rate reaches the set integration flow rate value which has been preset, an integration batch operation terminate signal is output to a centralized monitor device EXCT without delay.
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subjects CONTROLLING
MEASURING
MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUIDLEVEL
METERING BY VOLUME
PHYSICS
REGULATING
SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
TESTING
title FLOWMETER, METHOD FOR CONTROLLING THE SAME, AND RECORD MEDIUM RECORDING CONTROL PROGRAM
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