Introduction
It uses a specially designed, CIE Approved measurement technology, highly light-sensitive photocell, filtered to provide a spectral response close to that of the average human eye, to react to changes in light levels within the tunnel environment. This reaction is virtually instantaneous. The light receptor measures the average luminance within an acceptance angle subtending 20°
Application
⦁ Luminance of tunnel entrance monitoring
⦁ Luminance of tunnel exit monitoring
Site photos
Technical Specifications
| Measure range | 0-7000 cd/m2 |
| Following range are optional | 0-500 cd/m2; 0-9000 cd/m2 ; 0-10000 cd/m2 |
| Accuracy | ± 1% |
| Serial Output | RS485 |
| Protocol | MODBUS RTU |
| Baud rate | 1200 ~ 115200 bps |
| Analog output | 4-20mA |
| Two way relay 2A@24VDC | |
| Power Supply | 100~240VAC 50/60Hz |
| Power consumption | 15Watt include heating |
| Operating Temperature | -40 ~ +70°C |
| Operating Humidity | 0 ~ 100% |
| Protection Class | IP65 |
| Material | Powder coated steel |
Get in touch with us
Just leave your email or phone number in the contact form so we can send you a free quote for our wide range of designs!
Ready to work with us ?
Products
Ultrasonic Anemometer
All-in-one Weather Station
Rain Gauge
Portable Weather Station
Visibility Sensor
Road Surface State Detector
Tunnel Environment Detector