| 摘要 |
PROBLEM TO BE SOLVED: To provide a gas meter capable of displaying operation information for a fuel cell in an outside to enhance safety and convenience in maintenance. SOLUTION: This gas meter is provided with the fuel cell 1 of an electric power source, a control part 2 for detecting an operation of the fuel cell 1 and a gas flow rate, and a display means 3 for displaying operation-detected information of the fuel cell 1 and detected information of the gas flow rate, and the display meas 3 for transmitting the measured information of the gas flow rate is used in common. The operation information for the fuel cell 1 is thereby displayed in the outside, and an operation condition of the fuel cell 1 is easily confirmed from the outside to enhance the safety and the convenience in the maintenance. COPYRIGHT: (C)2005,JPO&NCIPI
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