Cảm biến nhiệt độ mặt đường Wintersense SDI-12
Cảm biến nhiệt độ mặt đường Wintersense
Cảm biến nhiệt độ mặt đường
Cảm biến nhiệt độ mặt đường Wintersense SDI-12
Cảm biến nhiệt độ mặt đường Wintersense
Cảm biến nhiệt độ mặt đường

Wintersense SDI-12 Non-Invasive Surface Temperature Sensor

Forecast winter treatments for road surfaces, prevent traffic accidents and loss of life

9 ₫

The Wintersense SDI-12 is a remote road surface temperature sensor designed for use with your Road Weather Information Systems (RWIS). It is an easy-to-deploy, non-invasive, compact, and lightweight sensor that you can mount on existing roadside structures such as streetlight columns or RWIS towers. The Wintersense SDI-12 has a cabled connection for power and communications with an RWIS station or data logger for data storage and forwarding.

With accurate, real-time road surface temperature data, you can forecast your winter road treatments, preventing traffic accidents and potential loss of life.

Category:

The Wintersense SDI-12 is equipped with a thermopile sensor that detects the presence of thermal radiation emitted from the target surface. The sensor also has an integrated optical filter that cuts off the visible and near-infrared radiation flux so that you get optimum ambient and sunlight immunity. These features, combined with an eight-second signal-averaging algorithm, provide you with best-of-class data for these measurement parameters:  

    • Road surface temperature 
    • Air temperature 
    • Relative humidity 
    • Dewpoint 
    • Installation angle 
    • Sensor temperature 

Benefits and Features 

    • Accurate 
    • Non-invasive 
    • Easy to install 
    • Simple to maintain 
    • Compatible with most data loggers and RWIS 
    • Remote firmware updates 
Road-Surface Temperature
Measurement Range -40 to +70°C (-40 to +158°F)
Accuracy at -40 to +60°C
  • ±0.5°C
  • Note: Accuracy is temperature dependent. The quoted accuracy is against a blackbody source within the ambient temperature range of -20 to +50°C and object temperature range of -40 to +60°C.
Resolution ±0.01°C
Field of View (FOV)
  • 10° (at 50% normalized signal)
  • Note: Use our field-of-view tool to make your calculations and install your Wintersense SDI-12 appropriately.
Distance to Target 2 to 15 m (6.6 to 49.2 ft)
Dew Point Temperature (Calculated)
Measurement Range -40 to +70°C (-40 to +158°F)
Accuracy
  • ±1°C
  • Note: The calculated dew point temperature is found from Tetens’ equation solved for dew point with coefficients optimized for the temperature range -35 to +50°C.
Resolution 0.1°C
Air Temperature
Measurement Range -40 to +70°C (-40 to +158°F)
Accuracy
  • ±0.4°C
  • Note: Inaccuracy can be higher under moderate-to-high solar radiation.
Resolution ±0.01°C
Relative Humidity
Measurement Range 0 to 100%
Accuracy < ±3%
Resolution ±0.1%
General Specifications
Operating Temperature Range -40 to +70°C (-40 to +158°F)
Operating Humidity Range 0 to 100%
Internal Enclosure Sealing IP65 (minimum)
Typical Power Consumption @ 12 Vdc
  • < 0.1 mA (idle)
  • < 14 mA (active)
Supply Voltage Range 5 to 18 Vdc
Dimensions 350 x 200 x 100 mm (13.8 x 7.9 x 4.0 in.)
Weight 1.4 kg (3 lb)
Digital Output SDI-12
Default SDI-12 Address 0
Response Time (to M!) 8 s to read all sensor outputs using SDI-12 commands
Sensor Warm-up Time If power is switched, allow 3 s for warm-up before taking a measurement.

Brochures: Wintersense SDI-12 Non-Invasive Surface Temperature Sensor

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Manuals: Wintersense SDI-12 Non-Invasive Surface Temperature Sensor

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