Specifications

Instrument Specifications

  • Operating Temperature: 5 – 50 °C up to 85% RH
  • Communication: SDI-12
  • Power:
    • Input Voltage Range: 8-33 V
    • Power: ≤ 1.5 W
    • Weight: 1.4 kg
    • Size: 58 x 17.5 x 7.7 cm
    • Mount: 1” mounting post, compatible with NuRail® and other commonly used mounting hardware

    Measurement Specifications

    • H20 Mole Fraction Range: 0-60 mmol/mol
    • Inlet Flow: 0.225 Lpm (typical)

      • System Requirement

      • Minimum Separation Between Sonics: ≥ 2 meters
      • Minimum Mounting Height: 2 meters

        • Weatherproof Rating

        • Tested to IEC IP54

          • Specifications subject to change without notice

Output Variables

Variable Description Unit
ET Actual Evapotranspiration mm
LE Latent Energy Flux W/m2
H Sensible Heat Flux W/m2
VPD Vapor Pressure Deficit kPa
Pa Atmospheric Pressure kPa
Ta Air Temperature °C
RH Relative Humidity Ambient %
AH Absolute Humidity Ambient g/m3
SVP Saturated Vapor Pressure Ambient kPa
Td Dewpoint °C

Resources

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