PIPING CAPACITY ESTIMATION DEVICE, GAS LEAKAGE INSPECTION DEVICE, PIPING CAPACITY ESTIMATION METHOD, AND PIPING CAPACITY ESTIMATION PROGRAM

摘要

PROBLEM TO BE SOLVED: To provide a piping capacity estimation device, a gas leakage inspection device, a piping capacity estimation method, and a piping capacity estimation program with which it is possible to estimate a piping capacity in a downstream-side gas passageway with high accuracy, compared with the case where a configuration according to the present invention is not possessed.SOLUTION: A control device 20 derives a piping capacity in a downstream-side gas passageway 24B on the basis of the result of detection by a gas flowmeter 16 in a state in which a gas G is being consumed by a gas appliance 28 and the characteristic of a temporal change of gas pressure detected by a pressure sensor 18 when a gas passageway 24 is closed by a solenoid valve 14 in a state in which the gas G is being consumed by the gas appliance 28, and outputs the derived piping capacity.