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Road Marking Retroreflectometer with QD Value

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TBTRMR-1J Road Marking Retroreflectometer is a portable on-site measuring instrument, used for measuring the retroreflection characteristic of road marking. This instrument is to simulate the brightness of road marking that can be seen by the driver under the illumination of motor vehicles at night, and the measured parameter is the coefficient of retrorefection brightness at night in daytime, namely, RL & QD value.

Main features:

1. Equip with imported sensor

2. 5” LCD touch screen

3. Long battery time and adapting to fast charging

4. Real on site temp. & humidity displayed

5. USB interface, easy transfer the testing data to computer

6. Real time broadcasting of testing data

7. Blue-tooth printer

8. Our model TBTRMR-1J equip with QD value function

Measurement items: 

retroreflective coefficient  ( mcd.m-2.lx-1  )

Measurement range: 


Observation angle: 


Angle of incidence: 

88.76°, Complementary angle is 1.24°

Light source color temperature:


Error of repeatable measurement: 


Continuous working time of battery: 


Data storage space: 

More than 100,000 data

Built-in battery capacity:

12V / 5.2Ah


DC 15V

Ambient temperature:


Ambient humidity: 

<98%, no frost


Around 700mm x 140mm x 140mm


Around 5KG



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