Gas meter

A gas meter comprising:

• a flow rate measuring member configured to measure a flow rate of a gas;
• a sensor member including a sensor configured to measure at least one of vibration, temperature, or pressure;
• a storage configured to store a plurality of pieces of predetermined data of a plurality of pieces of data measured by the sensor member;
• a condition setting member;
• and
• a communicator configured to transmit the plurality of pieces of predetermined data stored in the storage to an external device,
• the storage starting sequentially storing the plurality of pieces of predetermined data in response to an occurrence of a predetermined event set by the condition setting member,
• the communicator transmitting, at a predetermined timing set by the condition setting member, the plurality of pieces of predetermined data stored in the storage to the external device,
• the condition setting member being configured to set, for each of a plurality of events in response to which storing of the plurality of pieces of predetermined data is started,
• a type of the plurality of pieces of predetermined data to be stored in the storage,
• a cycle of storing the plurality of pieces of predetermined data in the storage,
• a condition for ending storing the plurality of pieces of predetermined data in the storage, and
• a transmission timing for transmission of the plurality of pieces of predetermined data stored in the storage to the external device.