| 摘要 |
PROBLEM TO BE SOLVED: To provide an electronic watt-hour meter that allows two or more accommodated communication devices to be replaced easily and that accommodates the communication devices such that it can recognize that the communication devices has been replaced improperly. ! SOLUTION: An electric watt-hour meter comprises a watt-hour meter body 2 and a housing 4 capable of accommodating the watt-hour meter body 2 and communication devices 3. The housing 4 comprises: a first accommodation part 4A where the watt-hour meter body 2 is accommodated; and a second accommodation part 4B where the two or more different communication devices 3 are accommodated. The first accommodation part 4A forms a first sealed section by being verified and sealed in a state of the watt-hour meter body 2 being accommodated, and the second accommodation part 4B forms a second sealed section by being sealed in the state in which the first sealed section is included and the two or more communication devices 3 can be accommodat |
