. W E A T H E R . M O N I T O R I N G . S Y S T E M S
   
  Model 5400 RWIS Remote Processing Unit
The Model 5400 is the heart of a non-proprietary / open architecture NTCIP compliant Environmental Sensor Station (ESS).  The RPU supports a full range of atmospheric sensors, as well as pavement condition sensors and traffic monitoring.
High Sierra Electronics
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  Model 5421-00 RWIS Intelligent Road SensorArterial Signs
The Model 5421-00 is a passive road sensor that is flush mounted in the road.  It is capable of recording:  road surface temperature, water film height up to 4mm, freezing temperature for different ice melting materials and road condition (dry/damp/wet/ice or snow/residual salt/freezing rain).
High Sierra Electronics
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  Model 5428 RWIS Snow Depth Sensor
The Model 5428 RWIS Snow Depth sensor is an ideal solution for remotely monitoring snow or water levels without penetrating the roadway.  The sensor uses ultrasonic technology.
High Sierra Electronics
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  Model 5431-00 RWIS Radar Precipitation Sensor
The Model 5431-00 is a high resolution Radar Precipitation Sensor for RWIS Environmental Sensor Stations (ESS).  It is capable of determining both the type of precipitation (rain, snow, hail, freezing rain or sleet) and its quantity and intensity.
High Sierra Electronics
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  Model 5433 RWIS Remote Road Surface Condition Sensor
The model 5433 is an electro-optical that reports surface conditions.  It can detect ice, snow or water without ever having to touch the road surface it monitors.
High Sierra Electronics
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  Model 5433-01 RWIS Remote Road Surface Condition Sensor
The Model 5433-01 is a fixed or vehicle mounted, electro-optical sensor, which reports the surface weather conditions of roadways.  This system will detect hazardous conditions including ice, snow or water in real time.  It can also be configured to output road surface friction and/or surface temperature information.
High Sierra Electronics
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Model 5434-00 RWIS Visibility Sensor
The Model 5434-00 measures atmospheric visibility for use in RWIS Environmental Sensor Stations (ESS).  It is designed to perform in all types of weather conditions. 
High Sierra Electronics

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  Model 5470 NTCIP Mini-RWIS Remote Processing Unit
The Model 5470 is the heart of a non-proprietary, open architecture NTCIP-compliant Environmental Sensor Station.  It is designed for primary deployment within existing or new ATC 2070 and Dynamic Message Sign cabinets and supports several “actionable” weather sensors.
High Sierra Electronics
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Model 5712-00 Wind Monitor
The Model 5712-00 is a highly accurate, rugged wind sensor.  It is well suited to a wide range of wind measurement applications.
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  Model 5720-00 Temperature Sensor
A highly accurate, low power temperature sensor for both water and air temperature measurement applications.
High Sierra Electronics
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  Model 5721 Road Temperature / Moisture Sensor
Designed to be installed in a roadway for monitoring conditions at the road surface.  The primary use is for Road Ice Warning.
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Model 5721-05 RWIS Road Sensor Station
The Model 5721-05 RWIS Road Sensor Station is an NTCIP compliant remote processing system for monitoring the actual road surface environment
High Sierra Electronics

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Model 5727 Aspirated Radiation Shield
The Model 5727 provides maximum sensor protection from incoming short waves and outgoing long wave radiation.  A continuous duty DC blower provides constant flow of ambient air over the sensor.
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Model 5728-01 Solar Radiation Shield
Protects ambient temperature and relative humidity sensors from direct sunlight.  The sensor contains 12 plates.
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Model 5730-03 Barometric Pressure Sensor
Provides solid state barometric pressure data for all elevations.  It is primary used in weather stations.
High Sierra Electronics

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