"StaRWIS is the first non-invasive road weather sensor detecting road and runway surface conditions, surface temperatures, relative humidity, dew & freezing temperatures, ice percentages as well as friction non-invasively and based on innovative LED Technology with 4 lenses.","Parameters measured: ","Road condition (dry, moist, wet, ice, snow, critical wet, chemically wet), road surface temperature, ambient temperature, water film height, dew point temperature, relative humidity, ice percentage, freezing temperature, friction (calculated)","Measurement technology:","Optical LED transmitters, photo receivers, pyrometer, infrared","Product highlights:","non-invasive, plug and play, 100 measurement per second, multifunctional, wireless data transfer, no moving parts","Interfaces:","Bluetooth, RS485, CAN-Bus, UMB - protocol Article number:","8711.U55"