| 摘要 |
<p>A mobile gas detector comprising a laser transmitter and signal analyser carried on a vehicle, the vehicle having an exterior, a laser absorption cell carried on the exterior of the vehicle, a light guide connecting light from the laser transmitter into the laser absorption cell, a photo-detector mounted with the laser absorption cell exterior to the vehicl e to convert light that has traversed the laser absorption cell into electrical signals, and a cable connecting the photo- detector to the signal analyser.</p> |
