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Specifications

General

  • Measurement time:
    • Porometer: 5 to 15 seconds typically, depending on species, leaf or needle surface characteristics, and conditions
    • Fluorometer: 1 second
  • Operating conditions:
    • Temperature: 0 to 50 °C
    • Pressure: 50 to 110 kPa
    • Humidity: 0 to 85%; non-condensing
  • Weight: 0.68 kg (porometer only); 0.73 kg with fluorometer
  • Dimensions: 32.4 cm × 16.9 cm × 6.2 cm (L × W × H)
  • GPS: Accuracy 2.5 m CEP
  • Display:
    • Dimensions: 6.8 cm diagonally
    • Resolution: 400 × 200 pixels; sunlight readable monochrome
  • Keypad: 5-button membrane pad
  • Battery:
    • Built-in Li-ion
    • Operating hours: 8 hours typically
    • Capacity: 5200 mAh
    • Recharging time: 3.5 hours typically; 2 hours with Qualcomm® Quick Charge™ 2.0 or 3.0
  • Data storage: 128 MB
  • USB specifications: Communication/charging interface: Micro-B Qualcomm® Quick Charge™ 2.0 or 3.0 for rapid charging
  • Universal charging adapter:
    • Input: 90 to 264 VAC; 50 to 60 Hz
    • Output: 5 VDC; 1 Amp
  • Configuration software: Windows® and macOS® applications
  • Data output: Plain text files (comma or tab-delimited) and an .xlsx file with embedded equations.
  • Barcode scanner: 1-D and 2-D, including Code 39, Code 128, PDF417, 100% UPC, Data Matrix, QR Code
  • Photosynthetically Active Radiation (PAR) measurement:
    • Units: Photosynthetic Photon Flux Density (PPFD); µmol m-2 s-1
    • Calibration accuracy: ±10% of reading; traceable to NIST
    • Cosine correction: Cosine corrected up to 60° angle of incidence

*High flow may not be achievable at higher altitudes
Specifications are subject to change without notice

Porometer

  • Leaf and needle sizes:
    • LI-600:
      • Length and width: 7.5 mm minimum
      • Thickness: 2.8 mm maximum
    • LI-600N:
      • Width: 1-3.5 mm
      • Length: 14.2 mm minimum
      • Thickness: 2.8 mm maximum
  • Flow rates:
    • Low: 75 µmol s-1
    • Medium: 115 µmol s-1
    • High: 150 µmol s-1*
  • RH sensor accuracy: ±2% RH
  • Reference temperature: ±0.2 °C
  • Leaf temperature sensor accuracy: ±0.5 °C
  • Inlet flow measurement: ±1% of reading from 75 µmol s-1 to 150 µmol s-1
  • Exhaust flow measurement: ±5% of full scale up to 150 µmol s-1
  • Parameters:
    • gsw mol m-2 s-1; gbw mol m-2 s-1; gtw mol m-2 s-1; E mmol m-2 s -1
    • VPcham kPa; VPref kPa; VPleaf kPa; VPDleaf kPa
    • H2Oref mmol mol-1; H2Osamp mmol mol-1; H2Oleaf mmol mol-1

Fluorometer

  • Flash types: User configurable Rectangular and Multi-phase Flash™ (MPF)
  • Measuring light peak wavelength: 625 nm
  • Measuring light peak intensity: 0 to 10,000 µmol m-2 s-1
  • Flash intensity: 0 to 7500 µmol m-2 s -1
  • LED risk group: Exempt group in acc. with IEC 62471:2006. The LED does not pose any photobiological hazard
  • Parameters:
    • Fo; Fm; Fv; Fv/Fm; Fs; Fm’; ΦPSII; ETR

*High flow may not be achievable at higher altitudes
Specifications are subject to change without notice

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