LTI TRUCAM LASER MEASUREMENT DEVICE - Tele-Traffic

DBC Measurement Requirements
Time Limit between Measurements: 3 seconds
Minimum distance between Vehicles: 4 metres
Minimum Vehicle Speed: 3 mph
Maximum Speed Difference between Target Vehicles: 5 mph
Minimum Capture Distance: 2.5 times the Road Offset Distance
The Minimum Capture Distance is the minimum distance that the TruCAM will accept a DBC
measurement.
The Minimum Capture Distance is 2.5 times Roadside Offset distance entered by the user.
If a vehicle measurement is taken and the distance to the vehicle is less than the Minimum Capture
Distance an error message is displayed and the measurement is aborted.
Measurements are always made front-to-front of each vehicle, or rear-to-rear. A front-to-rear or
rear-to-front measurement will result in an error message displayed and no DBC value will be
calculated/displayed.
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© Tele-Traffic UK Ltd 2011