Using spectroscopic analysis
Overview
The SurfaceVue™10 is a road condition sensor designed for use with your Road Weather Information Systems (RWIS). This non-invasive sensor uses spectroscopic analysis to provide you with surface state, friction, water, and ice layer thickness data. The SurfaceVue 10 also measures surface temperature, air temperature, dew point, air pressure, and wind speed parameters. This data provides you with vital information to make better maintenance and operational decisions.
Benefits and Features
- Non-contact sensor to reduce costs associated with installation and maintenance
- Proven performance and reliability to make confident maintenance and operational decisions
- Simple sensor calibration when using Campbell Scientific road weather solutions
- No moving parts for minimal maintenance and long lifespan
- Easy installation for completion any time of year with no disruption to traffic
Images
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Specifications
Road Conditions |
|
| Surface States | Dry, moist, wet, slush, snow, ice |
Friction (Grip) |
|
| Measurement Range | 0 to 1.0 (unitless) |
| Accuracy | ±0.1 (compared to braking friction reference) |
| Resolution | ±0.01 |
Water and Ice Layer Thickness |
|
| Range | 0 to 3 mm (0 to 0.12 in.) |
| Accuracy |
|
| Resolution | ±0.01 mm |
Road Surface Temperature |
|
| Measurement Range | -40 to +60°C (-40 to +140°F) |
| Accuracy | ±0.3°C |
| Resolution | ±0.1°C |
Ground Temperature (Modeled) |
|
| Measurement Range | -40 to +60°C (-40 to +140°F) |
| Accuracy | ±0.5°C |
| Resolution | ±0.1°C |
Dew Point Temperature (Calculated) |
|
| Measurement Range | -40 to +60°C (-40 to +140°F) |
| Accuracy | ±1.0°C |
| Resolution | ±0.1°C |
Air Temperature |
|
| Measurement Range | -40 to +60°C (-40 to +140°F) |
| Accuracy | ±0.3°C |
| Resolution | ±0.1°C |
Relative Humidity |
|
| Measurement Range | 0 to 100% |
| Accuracy | ±2% |
| Resolution | ±0.1% |
Barometric Pressure |
|
| Measurement Range | 500 to 1100 hPa |
| Accuracy | ±1.0 hPa |
| Resolution | ±0.1 hPa |
Wind Speed (Modeled) |
|
| Measurement Range | 0 to 60 m/s (0 to 134 mph) |
| Accuracy | ±10% |
| Resolution | ±1 m/s |
General Specifications |
|
| Measuring Range | 3 to 10 m (9.8 to 32.8 ft) |
| Installation Angle | 30 to 80° |
| Road Surface Conditions Field of View |
2.8° 0.5 m (at 10 m) |
| Road Surface Temperature Field of View |
10° 1.7 m (at 10 m) |
| Operating Temperature Range | -40 to +60°C (-40 to +140°F) |
| Operating Humidity Range | 0 to 100% |
| Power Consumption @ 12 Vdc | < 100 mA (typical) |
| Supply Voltage Range | 9 to 30 Vdc |
| Digital Output | RS-232 |
| Warm-up Time | 1 min |
| Cable Type | Five conductor |
| Cable Length | 10 m (32.8 ft) |
| Dimensions | 76.2 x 27.9 x 17.8 cm (30 x 11 x 7 in.) |
| Weight | 4.9 kg (10.8 lb) |
Compatibility
The SurfaceVue 10 is compatible with any Campbell Scientific RWIS station.
Documents
Downloads
SurfaceVue 10 Program Example v.1 (3 KB) 18-04-2024
SurfaceVue 10 standard programs with and without NTCIP. Set a constant to select RS-232 or RS-485 communications. Another constant is used to specify the port the sensor is connected to. See the readme.txt file for more information. The program is written for a CR1000X, but programs for other data loggers will be similar.