Laser Speed Detector Accuracy

Incorrect calibration or lack of maintenance.

Laser speed detector accuracy.

Contesting the accuracy of a speed measuring device. Speeds measured by radar lidar and vascar devices are generally more accurate than an officer s visual estimation of speed. With the introduction of the lti 20 20 truspeed laser speed gun in 2007 laser technology inc accomplished an engineering feat no other laser measurement manufacturer has done design a laser speed device that offered the accuracy and reliability that lti is known for yet be priced so even the smallest of departments could afford to use lidar light detection and ranging technology. However speed measuring devices aren t infallible and a driver can make various challenges to their accuracy.

Unlike police radar guns which send a big blast of radar waves down the road that anyone running a radar detector can easily pick up on ahead of time police laser or lidar guns send a pinpoint beam of light that s specifically aimed at just one vehicle at a time. That being said laser guns are not infallible. Unlike police radar which directly determines a vehicle s speed by measuring its doppler speed induced frequency shift police lidar calculates speed by observing the changing amount of time is takes to see a series of reflected pulses of. Laser detectors are the most recent addition to the traffic officer s arsenal of speed measuring devices.

Police laser is very accurate and can often determine you speed to the 10th of miles per hour. Excessive cloud cover rain wind or fog can negatively impact a laser s reading. Built to look and act like a hand held radar gun a laser detector uses a low powered beam of laser light that bounces off the targeted vehicle and returns to a receiver in the unit.