QDAWS Instrument Platform Information
Quickly Deployable Automated Weather Station
Instrumentation
R. M. Young 05103 Wind Monitor
Measured at a height of 3 meters.
Range: 0 – 100 m/s, 0 – 359°
Accuracy: ± 0.3 m/s (0.6 mph) or 1% of reading, ± 3°
Measures horizontal wind speed and direction.
Apogee Instruments ST-110 Thermistor Temperature Sensor
Measured at a height of 2 meters.
Range: -50 to +70°C
Accuracy: ± 0.1°C (0 to 70°C), ± 0.15°C (-40 to 0°C)
Measures fast response temperature.
Vaisala HMP155 Air Temperature and Relative Humidity Probe
Measured at a height of 2 meters.
Range: -80 to +60°C, 0 to 100%RH
Accuracy: ± 0.1°C, ± 1.0%RH (0 to 90%RH), ± 1.7%RH (90 to 100%RH) @ +15 to 25°C
Measures dew point.
Setra Systems 270 Barometric Pressure Sensor
Range: 800 – 1100 hPa
Accuracy: ±0.05% (±0.15 hPa) Full Scale (300 hPa)
Measures station pressure.
Apogee Instruments SP-110 Silicon-Cell Photodiode Pyranometer
Range: 0 to 2000 W m-2
Accuracy: ±3%
Measures solar radiation.
Data Recording and Distribution
Campbell Scientific CR1000 Measurement and Control Data Logger
Records measurements from all instruments and outputs data via HTTP Get request through LAN every 1 minute:
- Date Time (YYYY-MM-DD HH:MM:SS)
- GPS Latitude (deg)
- GPS Longitude (deg)
- GPS Altitude (m)
- Minimum Battery Voltage (V)
- Average CR1000 Panel Temperature (°C)
- 3m Average Wind Speed (m/s)
- 3m Maximum Wind Speed (m/s)
- 3m WMO Wind Gust (m/s)
- 3m Average Wind Direction (°)
- Fluxgate Compass Direction (°)
- 3m Corrected Wind Direction (°)
- 2m Average Temperature (°C)
- 2m Average Relative Humidity (%)
- 2m Average Dew Point (°C)
- 2m Average Wet Bulb Temperature (°C)
- 2m Average Mixing Ratio (g/kg)
- 2m Average Equivalent Potential Temperature (°K)
- Average Station Pressure (hPa)
- Average Mean Sea-Level Pressure (hPa)
- Average Flux Density (W/m2)
Web Server
PHP script extracts data values from CR1000 HTTP Get query and inserts them into MySQL 8 database.
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