StaRWIS-UMB - Stationary Road Weather Information Sensor
For stationary operations we further developed the innovation award-winning mobile road weather Sensor MARWIS - this is StaRWIS!
StaRWIS is the first non-invasive road weather sensor detecting road and runway surface conditions, surface temperatures, relative humidity, dew point temperatures, ice percentages as well as friction non-invasively and based on innovative LED Technology with 4 lenses.
- Road condition (dry, moist, wet, ice, snow, slush, chemically wet), road surface temperature, water film height, dew point temperature, relative humidity, ice percentage, friction (calculated)
- Optical LED transmitters, photo receivers, pyrometer, infrared
- non-invasive, plug and play, 100 measurement per second, multifunctional, wireless data transfer, no moving parts
- Bluetooth, RS485, CAN-Bus, UMB - protocol
- 8711.U55
Advantages of the stationary non-invasive road sensor StaRWIS
- No moving parts due to award-winning and innovative LED Technology
- Non-invasive measurement principle
- Data transfer via Bluetooth, RS485 or CAN-Bus
- Mulifunctionality
- Measurements both on the ground and in the ambient air
- Easy to install and to clean
Examples of use of the stationary non-invasive road sensor StaRWIS
- Decision support for winter maintenance operators on roads, motorways, highways (municipalities, federal states and provinces)
- Decision support for the de-icing of runways (higher efficiency)
- As important part of the IDS (Ice Detection System) in form of a RCC (Runway Condition Code), water film height (aqua-planning risk) and friction detector on airports (digital alternative to mechanic grip testers)
- For smart city applications
- For weather data collection and weather forecast model improvements
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Brochure - Lufft - Image brochure (EN)
Image Brochure with description of all Lufft market segments
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Brochure - Lufft - Weather Critical Operations (EN)
Traffic weather, renewable energies and more
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EU declaration of conformity - Lufft MARWIS and StaRWIS
EU declaration of conformity - Lufft MARWIS and StaRWIS
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RoHS - MARWIS / StaRWIS
RoHS - Declaration of Conformity / Konformitätserklärung - MARWIS / StaRWIS
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Whitepaper - Road Weather Selection Guide
The Whole World of Road Weather Monitoring
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Download as PDF
Download as PDF
| General | |
| Dimensions | Height approx. 110 mm, width approx. 200mm, depth approx. 100mm |
| Weight | 1.7kg |
| Admissible storage temperature | -40...70°C |
| Operating rel. humidity | <95% relative humidity non-condensing |
| Operating voltage | 10VDC...28VDC on the sensor |
| Power consumption | Approx. 3VA without heating, 50VA with heating |
| Operating temperature | -40...60°C |
| Operating rel. humidity | 0...100% RH |
| Protection type | IP68 |
| Surface conditions | Dry, damp, wet, snow-/ice-covered, chemically wet, critically wet |
| Admissible height above absolute altitude | 3000m |
| Interface | RS485, 2 wire, half duplex, bluetooth, CAN |
| Road surface temperature | |
| Principle | Optical |
| Measuring range | -40 ... 70 °C |
| Unit | °C |
| Accuracy | ± 0.8°C@0°C |
| Resolution | 0.1 °C |
| Relative humidity above road surface | |
| Measuring range | 0 ... 100 % |
| Unit | % |
| Resolution | 0.1 % |
| Principle | passive, calculated out of air temperature and humidity above road surface |
| Dew point temperature | |
| Measuring range | -50 ... 60 °C |
| Unit | °C |
| Resolution | 0.1 °C |
| Principle | passive, calculated out of air temperature and humidity |
| Waterfilm height | |
| Principle | Optical |
| Measuring range | 0 ... 6000 µm |
| Unit | µm |
| Resolution | 1 µm |
| Ice Percentage | |
| Measuring range | 0 ... 100 % |
| Unit | % |
| Resolution | 1% |
| Friction | |
| Measuring range | 0 ... 1 |
| Resolution | 0.01 |
