Measuring the reflection of road markings with a marking retroreflector measuring instrument

TOP ROAD is a new generation of retro reflection measuring instrument used to measure the retro reflection performance of road markings. This instrument integrates new technologies and adopts modern design and materials. TOP ROAD, like all instruments, is easy to calibrate and operate, with a user-friendly interface. The instrument has a sturdy structure and good durability. In addition, it has a small volume (470 × 280 × 150mm/18.0 × 11.0 × 5.9in) and a light weight (5.6kg/12.3 pounds).

The TOP ROAD measuring instrument is suitable for customers who require multiple measurement functions – the instrument software can support measurement implementation for easy access and viewing when reviewing results. Provides many features that allow for the collection of additional information linked to measurement results, not just reflected result information, including photo documents. The retractable handle ensures the correct ergonomic working position. In addition, the instrument is small in size, light in weight, and easy to transport.

The instrument complies with international standards such as EN1436, ASTM E1710, ASTM E 2177, ASTM E 2302, ASTM E 2367, and ASTM E 2832.

Optional Features
⚫ Qd
⚫ GNSS satellite positioning
⚫ Nighttime colors measured by RL (x, y) (white and yellow)
⚫ Macro and panoramic cameras
⚫ Direction (compass, instrument inclination)
⚫ External printer

performance
The TOP ROAD measuring instrument can accurately measure various types of road markings within a simulated distance of 30 meters. The reproducibility of the instrument is ± 5%, and the repeatability is ± 2%. The TOP ROAD measuring instrument is capable of measuring the RL of cross-sectional height markings at 15mm/0.6in. The TOP ROAD measuring instrument measures RL (nighttime visibility) and Qd (daytime visibility) under dry and wet conditions, as well as RL values under continuous rainfall conditions. The TOP ROAD measuring instrument measures RL within a measurement range of 0 to 4000 mcd/lx/qm, and Qd within a range of 0 to 318
mcd/lx/sqm。 This instrument can also measure nighttime chromaticity coordinates (x, y) according to ASTME 2367 and CIE 1931. The LTL3500 has an automatic stray light compensation function. Sunlight and other external light sources will not affect measurement accuracy. The measurement data of TOP ROAD measuring instrument can be exported to software such as Excel and Google Earth.

basic feature
⚫ RL and Qd of dry and wet markings
⚫ RL of continuous rainfall markings
⚫ RL and Qd measurement times are both less than 1 second
⚫ The measurement of section marking RL can reach 15mm/0.6in
⚫ 8GB memory
⚫ Support for multiple languages
⚫ Support average calculation
⚫ Easy to read color touch LED display screen with 3 buttons
⚫ Long life lighting system
⚫ USB interface&Wi Fi interface, Internet of Things
⚫ Power supply, standard Bosch professional battery
⚫ Display and store date, time, air temperature, marking temperature, and humidity
⚫ Convenient input and storage of road IDs, user IDs, and other related measurement data
⚫ Road icon reference
⚫ Display data in Excel and Google Earth
⚫ Stray light compensation
⚫ One handed operation, user-friendly

Our company is a professional manufacturer of road hot-melt coatings, road retroreflective measuring instruments, and road marking machines. If you are interested, please feel free to communicate with me via email at any time export@toproadtraffic.com