Trang chủ » Photosynthesis » LI-6800 Portable Photosynthesis System

Hãng sản xuất: LI-COR Bioscience
Xuất xứ: USA
Model: LI-6800
  • Tiện ích & ứng dụng
  • Thông số kỹ thuật
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CO2 Gas Analyzer
  • Type: Absolute non-dispersive infrared gas analyzer
  • Measurement Range: 0 – 3100 µmol mol-1
  • Precision (signal noise) RMS 4-second signal averaging at 400 µmol mol-1: ≤0.1 µmol mol-1
  • Accuracy: Within 1% of reading at 200 µmol mol-1 or above, ±2 µmol mol-1 at <200 µmol mol-1
  • Orientation Sensitivity: ≤±1 µmol mol-1 variation at 400 µmol mol-1 from any orientation
H2O Gas Analyzer
  • Type: Absolute non-dispersive infrared gas analyzer
  • Measurement Range: 0 – 75 mmol mol-1
  • Precision (signal noise) RMS 4-second signal averaging at 10 mmol mol-1: ≤0.01 mmol mol-1
  • Accuracy:Within 1.5% of reading at >5 mmol mol-1; ±0.08 mmol mol-1 at < 5 mmol mol-1
Temperatures
  • Operating temperature range: 0 – 50 °C
  • Storage temperature range: -20 – 60 °C
  • Temperature control range
  • Leaf temperature: ±10 °C from ambient
  • Setpoint resolution: 0.1 °C
  • Chamber exhaust air temperature and temperature control block
  • Type: Thermistor
  • Range: -10 – 60 °C
  • Accuracy: ±0.15 °C
  • Leaf temperature sensor
  • Type: Type E fine-wire thermocouple
  • Sensitivity range: -10 – 60 °C
  • Accuracy: <±0.5 °C total; ±0.2 °C cold junction reference; ±0.3 °C thermocouple when within ±10 °C of cold junction temperature
Communication
  • RJ-45 Ethernet; IP/TCP for networks and computers: 1
  • Head connections: 2
  • Accessory connections: 2
Air Flow Rates
  • Bulk flow rate: 680 – 1700 µmol s-1 at SATP1
  • Leaf chamber flow rate: 0 – 1400 µmol s-1 at SATP
Pressure
Console pressure sensor
  • Operating Range: 50 – 110 kPa
  • Accuracy: ±0.4 kPa
  • Resolution: 1.5 Pa typical
  • Signal noise: ≤0.004 kPa peak-to-peak with 4-second signal averaging
Chamber pressure sensor
  • Range: -2 – 2 kPa
  • Resolution: <1 Pa typical
  • Signal noise: 1 Pa peak-to-peak with 4-second signal averaging
  • Setpoint resolution: 1.0 Pa
  • Control Range: 0 – 200 Pa (dependent on flow rate through the chamber)
CO2 Control
  • CO2 control range: 0 – >2000 µmol mol-1 (with pump set to low; dependent on bulk flow rate)
  • CO2 cartridge type: 8 gram
  • Cartridge lifetime: >8 hours after puncture (dependent on setpoint)
  • CO2 Scrubber: Soda lime
H2O Control
  • H2O control range: 0 – 90% RH (noncondensing)
  • Humidifier substrate: Pall Stuttgarter Masse ceramic substrate (Pall Corporation)
  • Desiccant: Drierite (W.A. Hammond Drierite Company)

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