JJG 527-2015 Translated English of Chinese Standard. JJG527-2015: Fixed Radar Vehicle Speed Measurement DevicesThis Regulation is applicable to the first verification, the follow-up verification and in-use inspection for fixed radar vehicle speed measurement devices that use Doppler effect principle to measure vehicle driving speed. |
Common terms and phrases
3.4 simulating speed area Third lane device 3.5 simulating device for field diagram for verification digital frequency meter Doppler effect principle emission frequency error error of fixed error Schematic diagram field test speed fixed radar vehicle follow-up verification in-use inspection Institute of Metrology K band lane First lane lane Second lane measure vehicle’s driving measured value measurement device Receiving measuring range meet requirements microwave digital frequency microwave emission frequency nominal value particular testing device radar speed measuring radar speedometer radar vehicle speed range and simulating real traffic flow simulating speed measurement simulator for radar speed display unit speed measurement device speed measurement error speed-measuring range standard speed-measuring device Standard tools test speed measurement Testing area Third Third lane Second traffic flow status value of microwave vehicle speed measurement vehicle’s driving speed verification and in-use verification certificate Verification items Verification of field Verification of microwave verification result notice verifications of speed-measuring