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Reverse reflection marker measuring instrument
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Purpose
Road marking retroreflection coefficient measuring instrument, is a specialized measuring instrument developed and produced by our company for measuring the retroreflective performance of road markings. The measured parameter is the retroreflection coefficient R’ of the marking R’, Unit mcd·x -1 ·m -2 。The instrument is easy to operate, reliable in measurement, suitable for both laboratory and field measurements. It is a professional equipment for measuring the retroreflective performance of road markings used by production, quality supervision, engineering construction, and supervision units. Main parameters
1. Observation angle of the instrument
α=1.05° ，Incident angle β=88.76° ，Complementary angle 1.24°。 2. Light source color temperature:
2856K±50K (CIEA light source ) 3. The detector is a silicon diode
V(λ) + corrector, after correction by the filter, it meets the CIE standard photometric observer spectral luminous efficiency requirements. corrector, after correction by the filter, it meets the 4. Retroreflection coefficient
R’ measurement range 0-1999 mcd·1x 5. Battery continuous working time: -1 ·m -2
≈30 hours 6. Data storage:
test information 500 7. Screen:
LCD 3.5" ， 320x240 ( 8. Charging method: 220VAC
DC15V 50HZ； 9. Power supply
10. Protection level:
IP54 11. Operating temperature:
-15°C 50°C ~ + 12. Storage temperature:
-30°C 85°C ~ + 13. Operating humidity:
，No condensation 0 ~ 100% 14. Net size:
x 705mm mm， 135mm mm， 135 15. Packaging size:
mm 880mm mm， 285mm mm， 255 16. Packaging box: High-end instrument
Main functions and features, standards and specifications:
This instrument mainly refers to relevant international technical documents, as well as current national standards and
specifications. It conforms to the International Commission on Illumination (CIE) publication No. ，American 72 ASTM D4061-94， German DIN67520,67521 and China’s 《Retroreflection Measurement GB/T26377-2010 Instrument》 GB/T16311-2009 《Quality requirements and monitoring methods for road traffic markings》, JJG( Transportation) 059-2004《Verification regulations for retroreflection measuring instruments》 and other relevant standards. Measurement principle
The geometric conditions of the retroreflective marking measuring instrument simulate the situation when a car drives on a highway at night, the car headlights illuminate the road markings made of retroreflective materials on the road surface, and after reflection,
RP-R11 are observed by the driver in the cab. 驶时，汽车前照灯照射在路面上的逆反射材料制作的标线，经其反射后， 被驾驶室内的司机观察到的情景。
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Reverse reflection marker measuring instrument
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