Tunnel Environment Sensors
VT-CDP22E Tunnel Entrance Luminance Sensor
CIE-Approved 20° Acceptance Angle Luminance Photometer
Specialized tunnel entrance luminance sensor engineered to prevent 'black hole' effects for drivers.
Product Overview
Utilizes a CIE-approved optical system matching human eye spectral response. Withstands aggressive exhaust gases and regular high-pressure tunnel washdowns.
Technical Specifications
| Luminance Range | 0 ~ 7,000 cd/m² (Optional up to 10,000) |
| Optical Acceptance Angle | 20° subtended angle |
| Outputs | RS485, 4-20 mA, Dual Relay |
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+86 18181946349Headquarters
Block 2st, Xinye Road 4th,
Gaoxin Zone, Pidu Zone,
Chengdu City, Sichuan, China