The LI-600N Porometer/Fluorometer is a specialized device designed for rapid and accurate measurement of stomatal conductance and chlorophyll fluorescence, specifically for needles, narrow leaves, and grasses. Below is a summary of its features and specifications:

Key Features

1.   Optimized for Narrow Leaves:

• The only instrument tailored for single needles, narrow leaves, or blades of grass.
• Provides precise measurements even for challenging leaf morphologies.

2.   Fast and Efficient:

• Porometer measurements: 5–15 seconds, depending on the sample and conditions.
• Fluorometer measurements: 1 second.

3.   Robust Design:

• Compact and lightweight (0.68–0.73 kg).
• Durable construction for field use in varied environmental conditions.

4.   Integrated Technology:

• GPS with 2.5 m accuracy for precise geolocation of measurements.
• Sunlight-readable monochrome display for outdoor usability.
• Barcode scanner for efficient data tracking and management.

General Specifications

• Operating Conditions:
• Temperature: 0 to 50 °C.
• Pressure: 50 to 110 kPa.
• Humidity: 0–85% (non-condensing).
• Power:
• Built-in 5200 mAh Li-ion battery; 8 hours of operation.
• Quick charging (3.5 hours; 2 hours with Qualcomm® Quick Charge™).
• Data Management:
• Storage: 128 MB.
• Formats: Text files (.txt, .csv) and .xlsx files.
• Compatibility: Windows® and macOS®.

Porometer Specifications

• Leaf Compatibility:
• LI-600: Min. size 7.5 × 2.8 mm.
• LI-600N: Width 1–3.5 mm; length ≥14.2 mm.
• Accuracy:
• Relative humidity: ±2%.
• Reference temperature: ±0.2 °C.
• Leaf temperature sensor: ±0.5 °C.
• Flow Rates:
• Low: 75 µmol/s.
• Medium: 115 µmol/s.
• High: 150 µmol/s.

Fluorometer Specifications

• Measurement Parameters:
• Fo, Fm, Fv, Fv/Fm, Fs, Fm', ΦPSII, ETR.
• Light Source:
• Measuring light peak wavelength: 625 nm.
• Flash intensity: 0–7500 µmol m⁻² s⁻¹.
• Exempt from photobiological hazards (IEC 62471:2006).

Applications

• Agricultural research.
• Forestry and ecological studies.
• Environmental monitoring and plant physiology.

The LI-600N offers a powerful and efficient solution for researchers studying plant physiology, making it an essential tool for precise data collection in both laboratory and field settings.