- Measurement range: 0-6,500 cd/m2;
- Acceptance angle: 20º at 200 metres from the road tunnel entrance;
- Output signal: 4-20m/A;
- Calibrated using standards traceable to the National Physical Laboratory, UK;
- Aluminium housing weatherproof standard IP66/IP67;
- Weight 4kgs. Housing dimensions (cms)19.5 x 20 x 52.5
- Optional accessories 1: wash/wipe unit for automatic cleaning of housing window;
- Optional accessories 2: pan/tilt mounting brackets for pole or wall.