10 Things You Should Know About Police Laser Guns
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- Police LIDAR (Light Detection And Ranging) guns emit a short burst of infrared laser light at over 186,000 miles per second that reflects off a targeted vehicle to calculate a vehicle’s speed.
- Individual vehicles are targeted from a stationary position at distances up to 1,000 feet. Gun readings can be used as evidence, due to a 1998 Superior Court ruling, and readings that exceed 1,000 feet are admitted only with supporting evidence and expert testimony.
- Police laser guns are aimed at a vehicle’s most reflective areas (license plate, chrome grille, or headlights), are accurate down to +/- 1 mph, and typically take 0.3 seconds to get a speed lock on a vehicle.
- Unlike police radar -which can typically be detected in advance – a police laser gun pinpoints a specific vehicle and provides no advance warning.
- Police laser beams operate like how a flashlight beam appears on a wall. When moved closer to the wall, the beam becomes very small and concentrated. In driving terms, when a vehicle being driven at 70 mph is targeted, it takes roughly five seconds for the police laser beam to be reduced to 15 inches wide.
- Some police laser guns can be used in all weather conditions due to a • poor weather• mode.
- Older laser guns produced a 42-inch beam width at 1,000 feet Most vehicles previously only required one laser jamming device mounted on the license plate to ensure adequate protection.
- Newer laser guns produce a 30-inch beam width at 1,000 feet Laser jammers can only jam what they •see•, so most vehicles now require at least two laser jammers. Mounting location, driving habits, and the size of the vehicle should all be considered when determining the number of laser jammers needed.
- Laser jammers are legal to use in 40 of 50 states. Using a laser jammer in California, Colorado. Illinois. Minnesota, Nebraska, Oklahoma, South Carolina, Tennessee, Texas, Utah, Virginia, and Washington D.C. is generally viewed as an equipment violation (like not having an illuminated rear license plate) which doesn’t incur any points or insurance increase.
- When using a laser jammer in prohibited areas. drivers should use a temporary setting 0ike the Laser Defuser’s Pulse Transmit mode). A brief transmit signal is sent to the police laser gun to give the driver time to reduce speed and then the system shuts off. This allows the officer to get a speed reading and then target another vehicle.
- Posted by Jason Ellington
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