| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a radio unit capable of solving conventional problems that positional adjustment etc. is required on a mechanical switch for detecting a radio unit mounted on a gas meter and a waterproof structure is hardly provided.SOLUTION: A radio unit 110 is configured so that an installation detection switch 203 reacts to a counter magnet 104 in a gas meter 100 when the radio unit 110 is mounted onto the gas meter 100. With this, the radio unit 110 detects the gas meter 100 which is mounted properly.</p> |
