Met Instruments Project

TRX001 Site Information

Geolocation Data

TRX001
001
New Truxton, MO
Warren County
Work In Progress
38.97902°, -91.23792°
222 m (728 ft) above Mean Sea-Level

Instrumentation

R. M. Young 05103L 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°

Vaisala HMT337 Humidity and Temperature Transmitter

Measured at a height of 2 meters.

Range: -70 to +180°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

Setra Systems 270 Barometric Pressure Sensor

Range: 800 – 1100 hPa

Accuracy: ±0.05% (±0.15 hPa) Full Scale (300 hPa)

R. M. Young 52202 Heated Tipping Bucket Rain Gauge

Range: 0.1 mm per tip

Measured at a height of 0.5 meters.

Accuracy: 2% up to 25 mm/hr, 3% up to 50 mm/hr

The Eppley Laboratory Precision Spectral Pyranometer

Range: 0 to 2800 W m-2

Accuracy: ±3-4% Absolute

Data Recording and Distribution

  • Minimum Battery Voltage
  • 3m Average Wind Speed (m/s)
  • 3m Maximum Wind Speed (m/s)
  • 3m Average Wind Direction (°)
  • 2m Average Temperature (°C)
  • Average Dew Point (°C)
  • Average Station Pressure (hPa)
  • Total Rainfall (in)
  • Average Flux Density (W/m2)

Sent via serial TTL to Arduino every 5 seconds:

  • Battery Voltage
  • 3m Wind Speed (m/s)
  • 3m Maximum Wind Speed (m/s)
  • 3m Wind Direction (°)
  • 2m Temperature (°C)
  • 2m Dew Point (°C)
  • Station Pressure (hPa)
  • Total Rainfall (in)
  • Flux Density (W/m2)

Arduino EPS32

Receives serial string from CR23X of all measurement parameters, uploads parsed and derived values to MySQL database.

Values uploaded to MySQL 8 Database every 5 seconds:

  • Timestamp
  • Latitude
  • Longitude
  • Altitude
  • Battery Voltage
  • 3m Wind Speed (m/s)
  • 3m Maximum Wind Speed (m/s)
  • 3m Wind Direction (°)
  • 2m Temperature (°C)
  • 2m Relative Humidity (%)
  • 2m Dew Point (°C)
  • 2m Mixing Ratio (g/Kg)
  • 2m Equivalent Potential Temperature (°K)
  • Station Pressure (hPa)
  • Mean Sea-Level Pressure (hPa)
  • Altimeter Setting (hPa)
  • Density Altitude (ft)
  • Pressure Altitude (ft)
  • Rainfall (in)
  • Flux Density (W/m2)

Site Images

N/A