With an Internet of Things approach
To access the cloud platform for your Wintersense sensors, log in at this Wintersense web page.
Overview
Wintersense uses smart-sensor technology coupled with IoT communications and a cloud-hosted data solution to enable rapid densification of road weather networks. The Wintersense smart sensor is a completely integrated smart sensor providing non-invasive surface temperature, air temperature, relative humidity, and dew point measurements in a compact, self-powered unit with integrated communications.
Wintersense provides consistent data 24/7, which can be easily ingested by forecast agencies to improve route-based forecasting services. Road authorities can minimize expenses through smarter route-based treatment decisions with the additional confidence that Wintersense data provides.
Data from Wintersense smart sensors is delivered wirelessly via IoT networks to a cloud-hosted web application. Via the web application, users can create and manage networks of sensors; set quality control rules and automatic alerts on incoming data; and export data via FTP, API, or Datex II polling.
Read MoreBenefits and Features
- Quick and easy to install; mounts to existing roadside infrastructure
- Semi-mobile; can easily be moved and redeployed across a network
- Easily monitor troublesome areas, such as bridge decks
- Cost-effective method of densifying RWIS networks
- Open-platform web application with API to easily export data
- Consistent 24/7 data for integration with route-based forecasting services
- Ideal for multiple uses, including roads, bridges, parking lots, cycleways, and sidewalks
- Simple to maintain
Technical Description
Wintersense smart sensors use infrared thermopile technology to measure road-surface temperature non-invasively. The sensors provide additional air temperature, humidity, and dew point measurements using an advanced digital sensor. A stainless-steel mesh filter on the integrated temperature and humidity sensor minimizes the effects of dust and dirt on the sensor, allows air exchange around the sensor element, and reduces the likelihood that condensation remains inside the filter cap. A small PTFE membrane filter is bonded to the surface of the element, which prevents any finer dust or mold from directly influencing the measurement.
Wintersense smart sensors are self powered via a user-replaceable 3.6 V 19 Ah non-rechargeable lithium thionyl chloride D-cell battery. Integrated communications within the smart sensor allow complete end-to-end data delivery to the cloud-hosted Wintersense web application.
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Specifications
Road-Surface Temperature |
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| Measurement Range | -40 to +70°C (-40 to +158°F) |
| Accuracy at -40 to +60°C |
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| Resolution | ±0.01°C |
| Field of View (FOV) |
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| Distance to Target | 2 to 15 m (6.6 to 49.2 ft) |
Dew Point Temperature (Calculated) |
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| Measurement Range | -40 to +70°C (-40 to +158°F) |
| Accuracy |
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| Resolution | 0.1°C |
Air Temperature |
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| Measurement Range | -40 to +70°C (-40 to +158°F) |
| Accuracy |
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| Resolution | ±0.01°C |
Relative Humidity |
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| Measurement Range | 0 to 100% |
| Accuracy | < ±3% |
| Resolution | ±0.1% |
General Specifications |
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| Operating Temperature Range | -40 to +70°C |
| Operating Humidity Range | 0 to 100% |
| Power Consumption | < 1 mA (typical) |
| Replaceable Internal Battery | 3.6 V 19 Ah non-rechargeable lithium thionyl chloride D-cell battery |
| Recommended Replacement Battery | Tadiran SL-2780/TL-5930, available from Campbell Scientific (Any alternative battery must comply with IEC 60086-4 to ensure safe operation.) |
| Battery Life | 1 year minimum |
| Dimensions | 350 x 100 x 200 mm (13.8 x 4.0 x 7.9 in.) excluding band clamp |
| Weight | 1.4 kg (3.1 lb) |
Radio Communication |
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| Transmission Frequency | 868.130 MHz |
| Transmission Power | 25 mW ERP |
| Data Transmission Frequency | 15 minutes |
Web Application |
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| User Rights | Basic, engineer, and admin levels |
| Data Export | FTP, web API, and Datex II |
Compatibility
The Wintersense is compatible with the Sigfox network and works in the RC1 Sigfox region, covering operation in the following countries: Austria, Belgium, Bulgaria, Croatia, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, the Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, and the United Kingdom.
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