Specifications

Instrument Specifications

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  • Temperature and Humidity
    • Storage: -20 – 60 °C; up to 85% RH
    • Operating: -20 – 50 °C; up to 85% RH
    • Calibrated Measurement Range: +5 – 50 °C; up to 85% RH
  • Operating Pressure Range: 50 – 110 kPa
  • Inlet Flow Rate: 230 cm3/min (typical)
  • Communication: SDI-12
  • Power Requirements
    • Voltage: 9 – 33 VDC
    • Power: ≤1.5 W nominally; up to 26.4 W for 20 milliseconds during startup
  • Weight: 1.4 kg
  • Dimensions: 58 x 17.5 x 7.7 cm (H x L x W)
  • Mount: 1 inch (2.54 cm) diameter post; compatible with 1 inch (2.54 cm) crossover fittings
  • Weatherproof Rating: Tested to IEC IP54
  • Measurements
    • H2O Mole Fraction Range: 0 – 60 mmol/mol
    • H2O Mole Fraction Accuracy: 2% of reading at > 5 mmol/mol
    • Ambient Temperature Accuracy: ±1.5 °C
    • Ambient Pressure Accuracy: ±0.2 kPa
  • Installation Requirements
    • Separation Between LI-710s: ≥2 meters
    • Mounting Height: >2 meters above the plant canopy

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