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 uploads data via HTTP Get request over cellular connection every 5 minutes:
- 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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