AT-RM-003 marking line retroreflection measuring instrument

The Retroreflectance measuring instrument is a portable field measuring instrument, which can simulate the road marking brightness visible to the driver under the headlamp illumination of motor vehicle at night. The measured parameter is the luminous Retroreflectance coefficient at night, i.e. RL value, in mcd·m-2·lx-1. It is used to measure the retroreflection characteristics of road markings. It is suitable for laboratory environment and field measurement. Road marking manufacturers, road marking process construction units and road quality supervision units are used to measure the retroreflective performance of road markings.

 Main functional characteristics

  • Supports fast measurement ( retroreflection coefficient value measured within 3 seconds ) ;
  • Supports simple calibration procedures , using black and white for calibration to measure multiple color markings ;
  • The battery has large capacity, long standby time, and supports fast charging;
  • Supports high-brightness LCD transparent touch screen, the operation interface can be seen clearly under light;
  • Supports multiple measurements and average calculation;
  • Supports storage of more than 99,999 pieces of detection data information, including measurement data, operator, road section information, detection time, etc.;
  • Supports 8G SD card data storage, and supports data storage in the form of Excel tables, which can be exported to the computer through the U disk function;
  • Support real-time broadcast of measurement data;
  • Supports locking on-site inspection data and printing out inspection results on-site through a Bluetooth printer;
  • Use touch keyboard to input Chinese characters, English and characters;
  • Support real-time display of on-site temperature and humidity;
  • The English menu operation mode can be opened to foreign customers to facilitate their use;
  • Supports intelligent standby management, the system automatically enters sleep state when there is no operation;
  • portable instruments ;
  • Small size/light weight ;

Main technical parameters

  • Measurement items: Retroreflection coefficient mcd . m -2 . lx -1
  • Measurement value range: 0---4000
  • Observation angle: 1.05°
  • Incident angle: 88.76°, complementary angle 1.24°
  • Light source color temperature: 2856±50K
  • Measuring aperture area: 240mm x 95mm
  • Repeatability measurement error: ≤3%
  • Battery continuous working time: >72h
  • Data storage space: 8GB
  • Built-in battery capacity: 13Ah
  • Charging power supply: DC 8.4V
  • Operating environment temperature: -15℃~+60℃
  • Humidity of operating environment: <98%, no frost
  • Overall machine volume: 480mm x 134mm x 124mm

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