Opus RSE

What is a Remote Sensing Device (RSD)? Video

What is an RSD?
Opus AccuScan™ RSDs remotely measure exhaust emissions from motor vehicles as they are driven past the remote sensing device on streets and highways. The emissions are measured spectroscopically by casting a narrow infrared (IR) and ultraviolet (UV) beam of light across the road and through the trailing exhaust of passing motor vehicles. A mirror then reflects the IR/UV light back to a series of detectors that measure the amount of transmitted light at characteristic wavelengths absorbed by the pollutants of interest.

The RSD can measure the emissions of vehicles circulating under real driving conditions. Since it takes only a second to capture a measurement, these devices can capture large quantities of vehicle emissions data in a short period of time. Also, since it is a non-intrusive technique, the RSD audits the circulating vehicles without interfering with the traffic flow, therefore it can audit an entire fleet in a short period and with no impact on daily operations.

Music credit:
Werq Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 3.0 License
http://creativecommons.org/licenses/by/3.0/

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