| 摘要 |
The hazardous warning unit (6) has disc-shaped main portion such as housing chamber whose outer side is mounted to carrier. A measuring unit (8) is placed inside the housing chamber, and an antenna (11) transmitting a signal is located at significant distance in assembled state. A hazardous detector is mounted on circular detector support (7) that is attached to main portion, for detecting hazardous pollutant from surrounding air. |
