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How Much Lower is the Speed Measured by Electronic Eyes Compared to Actual Speed?

1 Answers

Ariana

07/29/25 8:05am

How much lower the speed measured by electronic eyes is compared to the actual speed depends on the actual vehicle speed. The on-site speed measurement error of the highway speed monitoring system is: when the speed is less than 100 km/h, the error range is (-6-0) km/h. Example of electronic eye speed measurement: For instance, if the vehicle speed is 80 km/h, the on-site speed measurement should display between 74-80 km/h; when the speed is greater than or equal to 100 km/h, the error range is (-6-0)%. For example, if the speed is 120 km/h, the on-site speed measurement should display between 112.8-120 km/h. Deviation range of electronic eye speed measurement: When a vehicle is driving on an elevated road with a speed limit of 80 km/h and passes through an electronic police monitoring area at 80 km/h, the actual recorded speed will be within 74-80 km/h and definitely not exceed 80 km/h. Therefore, according to this principle, in on-site measurements, all 18 measurement results fall within the "-6-0" deviation range, which is considered normal.

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