美国RoadVista 933 后向反射测角仪系统

Primary Observation Angle α

Automated, variable from 0.2° to 2.0°

Color Observation Angle

0.33°

β1 Angle

Continuously variable from -60° to 60°

β2 Angle

Continuously variable from -60° to 60°

ε Angle

Continuously variable from -180° to 180°

Light Source Angular Sub-tense

0.1°

Primary Receptor Angular Sub-tense

0.1°

Color Receptor Angular Sub-tense

0.4°

Measurement Area

Approximately 1 inch (2.6cm) in diameter

Measurement Range, Primary Sensor

0.1 to 10000 cd/m2/lux in 4 electrical auto-gained ranges

Measurement Range, Color Sensor

10 to 2000 cd/lux/m2

Data Storage

>30,000 measurements via on-board flash memory

Computer Interface

USB

Main Detector

Silicon photodiode with photopic filter combined with light source at CIE Illuminant “A” (2856°K)

Color Detector

RGB detector with photopic filter, calibrated to CIE1931 standard

Display Interface

High Resolution Color Touchscreen

Comment Field

18-character per measurement

Emergency Stop Button

Stops the goniometer instantly

Door Safety Switch

Prevents Goniometer operation unless door is closed

Power

Universal Input, 120-240V

Operating Temperature

15oC to 30oC (50oF to 104oF)

Operating Humidity

0 to 95% non-condensing

Sensors

Temperature, Humidity

Dimensions

22 in. (56 cm) wide; 32.5 in. (83 cm) high; 26 in. (66 cm) deep