| 摘要 |
<p>An air quality monitoring device for monitoring a stream of gas passing through a conduit and exiting at a gas outlet. The device comprises a flow-through element having an inlet aperture and an outlet aperture for gas to be monitored, the flow-through element further having a viewing window. The device also includes a gas quality element mounted within the flow-through element within viewing range of the viewing window. The gas quality element is adapted to change color in accordance with a change in the gas quality of the gas being monitored. Additionally, the device comprises one or more attachment members for mounting the flow-through element onto a portion of the gas outlet in a position so that the gas quality element is viewable to a viewer. The device may be used in air conditioner or other ventilation systems.</p> |
