




%CO >= 3.5%
or
%HC >= 2500 ppm
On Average 93% of the
vehicles receive
a Good reading!
A note about the picture! The camera mounting point makes it difficult to have the sign and the vehicle in the same field of view. We have added a small prism to the camera lens to enlarge the field of view of the vehicles. The trade-off is the discontinuous edge between the roadway and the sign.
Technical Information Statistics Sponsors Contact Info Research
Comments or questions? Email the webmaster
This site was last updated March 19, 2007