IceSight Non-intrusive Road Condition – Model 5433

The RWIS IceSight Remote Road Surface Condition Sensor – Series 5433 is a non-intrusive surface condition sensor that uses laser and infrared electro-optical technology to read surface condition, temperature and reduction of surface grip due to water, snow and ice.

FEATURES:

  • No Road Surface Cutting
  • Long Optical Range
  • Open Architecture Communications
  • Larger Measurement Area for More Representative Reading
SKU: 5433 Categories: , ,

Description

The RWIS IceSight Remote Road Surface Condition Sensor – Model 5433 is a non-intrusive surface condition sensor that uses laser and infrared electro-optical technology to read surface condition, temperature and reduction of surface grip due to water, snow and ice. The IceSight Remote Road Surface Condition Sensor’s larger measurement area (than embedded or in-road sensors) provides for more representative and reliable results. The actual measurement area of an embedded or in-road sensor is a one square inch or smaller spot compared to the one foot diameter measurement spot at the Remote Road Surface Condition Sensor’s typical 30 foot range.

Remote Road Surface Condition Sensors are susceptible to degraded performance due to soiled optics over time, just as embedded or in-road surface sensors need to be periodically cleaned. Unlike other remote sensors that use exposed convex lenses, or flat plate face designs that are easily soiled and difficult to clean, the IceSight Remote Road Surface Condition Sensor uses a specially designed passive lens protection system (Spray Guard) to help protect it from accumulation of road spray and dust. Once the Remote Road Surface Condition Sensor reports that its lens needs to be cleaned, the Spray Guard is easily removed with thumbscrews and cleaning the flat window is simple. We even provide a retention chain so the Remote Road Surface Condition Sensor’s Spray Guard is not accidentally dropped during cleaning.

Mounted easily on nearby traffic, luminary, camera poles or on RWIS towers, this rugged all-weather Remote Road Surface Condition Sensor provides an economical means of gathering road condition information for ATMS, MDSS, and Weather Responsive Traffic Management applications to improve traffic safety and road maintenance programs. The Remote Road Surface Condition Sensor uses an industry standard camera mount, much like you’d find on a high quality video camera. Many Remote Road Surface Condition Sensor mounting options are available from standard industry sources for pole mount, tower mount, signal arm mount, or just about any other configuration. The camera style mount means it is a simple matter to re-aim the Remote Road Surface Condition Sensor if needed. The convenient green dot laser helps confirm the target area. Relocating the Remote Road Surface Condition Sensor to a new location is straight forward too, and entails unbolting the sensor from its mount, disconnecting the cable and moving it to a new location. Relocating an embedded or in-road sensor once its epoxied in place is cumbersome and expensive. Many embedded or in-road sensors can’t be reused, or the warranty is voided if it is. Sometimes, construction of bridge road surfaces doesn’t allow enough space between reinforcement bars for an embedded or in-road sensor. The IceSight Remote Road Surface Condition Sensor can often be installed without the need for expensive and hazardous lane closures. Frequently mounted to existing ITS structures, Remote Road Surface Condition Sensors can often be installed and maintained without lane closure, and are well away from risks imposed by road work. The higher initial purchase cost of a Remote Road Surface Condition Sensor is offset by the high construction and on-going maintenance and repair costs of embedded or in-road sensors due to milling, slow plows, paint striping, and high traffic volume.

Because the lenses for the IceSight Remote Road Surface Condition Sensor are housed behind a clear optical window there is no need for power consumptive lens heaters. Low power consumption is easy on your power budget and is suitable for solar and wind powered sites. There are no moving parts to fail or degrade.

The IceSight Remote Road Surface Condition Sensor monitors the near infrared spectral differences of the roadway surface to determine the condition of the surface. Data is analyzed in real-time and a road condition state is reported enabling road management personnel to take immediate action as roads become hazardous. Using special signal processing techniques and comprehensive data analysis, the Remote Road Surface Condition Sensor is immune to passing traffic and various road treatment chemicals. Surface condition information eliminates road-treatment guesswork and supports more effective allocation of limited treatment resources.

Standard open-architecture data output includes air temperature and relative humidity (at the sensor), road surface temperature, road surface state and a road surface grip coefficient. Road surface states reported include 1 dry indication, 3 wet, 2 snow, and 2 ice indications. In addition, a road surface grip coefficient is provided in 2 formats. The first, road surface grip indication is provided as a numerical coefficient, indicating relative grip on a scale of 0 (worst) to 1 (best). The second classifies surface grip as good, fair and poor, which is useful for stating the grip condition in terms understandable to the motorist. Finally, a comprehensive internal algorithm checks 3 different behavioral parameters to evaluate and report the optical condition of the easily cleaned flat laser window.

 

Applications

  • Surface condition related traffic safety hazards
    • Highways and surface streets
    • Bridge decks and elevated roadways
    • Intersections
  • Weather Responsive Traffic Management
    • Modified signal timing when slippery
    • Black ice warning
    • Hydroplaning risk warning
    • Message sign control
  • Parking lot safety
  • Automatic spray anti-icing systems
  • Traveler information systems
  • Aircraft runways and taxiways

Specifications

 

Range Concrete: 3 to 15m (10 to 50ft) @ 45º
Black Asphalt: 3 to 10m (10 to 33ft) @ 45º
Measured Surface Concrete or Asphalt
Measurement Area 30.5cm (12in) diameter @ 10m (30ft)
Elevation Angle 30º to 85º from road surface, 45º optimum
Sensitivity 0.01in Ice/Water, 0.05in Snow
Air Temperature ±0.2°C at 0°C,±0.5°C at -40° to 65°C
Relative Humidity ±1.8% at 10% to 90% RH,±3% at 0% to 10% and 90% to 100%
Surface Temperature ±0.5°C at 0°C,±1°C at -40° to 85°C
Surface States Dry
Wet (3) – damp, wet, standing water
Snow (2) – snow, un-compacted snow
Ice (2) ice, black ice
Surface Grip Relative grip on a scale of 1 (best) to 0 (worst)
Classified surface grip (good, fair, poor)
Optics Condition Internal algorithm evaluates and reports the optical condition of optical window, indicating cleaning or maintenance required.
Targeting Removable High Visibility Green Laser
Communication EIA-485, multi-drop capable (up to 8 addresses), EIA-232, Ethernet
Diagnostics Start-up BIT, One Digital Test Signal
Voltage Range 9 to 14 VDC
Power Consumption 4.2 Watts
Operating Temperature -40º to 65ºC (-40º to 149ºF)
Cable 5m (5ft) to IP67 rated connector. Optional 7.5m (25ft) cable extension
Mounting 3 x 0.25 in – 20 holes, spaced 1 inch
Safety Eye Safe Class 1 Lasers
Certifications CE Marked
Dimensions 45 x 13 cm (17.75 x 5.25 inch)
Weight 3.6 kg (8 lb)
Shipping Weight 4.5 kg (10 lb)
Warranty 1 year, extendable year by year

 

Ordering Guide

 

Model 5433-34 IceSight with Wired LAN and 30 foot cable to bare leads
Model 5433-35 IceSight with Wired LAN and 30 ft cable to breakout box
Model 5433-36 IceSight with Wireless LAN and 30 ft cable to breakout box
OPTIONAL
Model 5433-64 IceSight 30 ft replacement cable with breakout box
Model 5433-65 IceSight 30 ft replacement cable bare leads
Model 5433-36 Extra IceSight sensor cable (per foot)
Model 5433-70 IceSight pole mounting bracket; 3 to 8 inch pole
Model 5433-80 Annual Service Plan: (Ship-in one time per year, clean, refurbish, and calibrate. Includes all necessary parts, including laser and optical parts, if needed. Warranty terms apply.)

 

Warranty Statement

Download 119.90 KB 31 downloads

 

Terms and Conditions of Sale

Download 240.33 KB 43 downloads

Support

 

Manual 5433-3X IceSight

Download 1.31 MB 12 downloads

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