Information
Information
Extractive visibility measurement for increased safety in tunnels
Visibility monitoring in tunnels for ventilation control
Smoke detection in tunnels
Device properties:
Regular functional test with contamination measurement
Linearity test can be carried out with filter set
Internal purge air for long intervals between cleaning
Maintenance signal (filter and cleaning)
Logbook function
Extendable with various interfaces or I/O modules
Very reliable operation due to full self-test
Cost-effective and fast commissioning (no optical alignment required on site)
Flexible electrical integration thanks to the easy connection of additional interfaces or I/O modules
Documentation
Specifications
Measured variables
Visibility (K-value)
Measuring range
Visibility (K-value): 0 ... 15 km⁻¹ / 0 ... 5,000 km⁻¹
Temperature: -50 ... +250 °C
Ambient temperature range
–30 °C ... +55 °C
Measuring principle
Scattered light forward
Measured variables
Visibility (K-value)
Measuring range
Visibility (K-value): 0 ... 15 km⁻¹ / 0 ... 5,000 km⁻¹
Temperature: -50 ... +250 °C
Ambient temperature range
–30 °C ... +55 °C
Degree of protection
IP66
Product safety
CE