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Porometer / Fluorometer
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LI-600 Porometer / Fluorometer

The LI-600 Porometer/Fluorometer is a handheld porometer and Pulse Amplitude Modulation (PAM) fluorometer designed to measure leaf-level stomatal conductance and chlorophyll a fluorescence in seconds.
Built for high-speed plant research, it helps scientists rapidly assess plant physiology, identify desirable traits, and efficiently screen large populations.

Fast, High-Precision Measurements

Measure stomatal conductance in just seconds and fluorescence in less than 1 second per sample. Ideal for field screening, phenotyping, agronomy, and stress physiology research.

Integrated GPS & Leaf Angle

Built-in GPS, accelerometer, and magnetometer capture location, pitch, roll, heading, and solar incidence angle for every measurement.

Research-Ready Workflow

Automatic logging, barcode scanning, CSV export, and Windows/macOS software streamline data collection and analysis.

Why Researchers Choose the LI-600

  • Simultaneous stomatal conductance and chlorophyll fluorescence measurements
  • Portable handheld design for field and greenhouse use
  • Sunlight-readable display with real-time data visualization
  • Built-in PPFD light sensor for ambient light measurements
  • Up to 8 hours battery life with fast USB charging
  • Compatible with Google Earth™ and ArcGIS®

Ideal Applications

Perfect for plant physiology, crop science, ecology, climate research, stress tolerance studies, and genetic screening.

The LI-600 enables rapid survey measurements in ambient conditions and pairs exceptionally well with the LI-6800 for advanced controlled-environment analysis.

Available Models

LI-600PF – Porometer + Fluorometer                    LI-600P – Porometer only                     600-01F – Fluorometer Upgrade Kit

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Benefits

Core Hardware Features

Smart Data Logging

Automatic recording based on definable stability parameters or manual logging with a single press.

Rich Annotations

User-settable prompts and remarks allow you to annotate datasets on the fly for better context.

Integrated Light Sensor

Built-in sensor measures ambient PPFD with every measurement for comprehensive environmental data.

Barcode Integration

Onboard scanner for sample labels ensures data is organized and error-free from the start.

High-Visibility Display

Sunlight-readable screen provides live data, instrument status, and step-by-step guidance.

Extended Power

Rechargeable battery for 8 hours of field use, featuring modern USB fast-charging technology.

Software That Solves Problems

Intuitive Management

Cross-platform support (Windows/macOS) to configure, manage, and stream live data.

Barcode Generator

Included desktop utility to create custom sample labels for your research needs.

Seamless Transfer

Simple USB data transfer streamlines the move from field collection to office analysis.

Specifications

Specifications

LI-600 Specifications

Porometer / Fluorometer System

⏱️ Speed: 5-15s
🔋 Battery: 8 Hours
⚖️ Weight: 0.68 kg
📍 GPS: 2.5m Accuracy

🏗️ Physical & Operating

Dimensions: 32.4 × 16.9 × 6.2 cm
Weight: 0.68 kg (0.73 kg w/ Fluorometer)
Display: Sunlight-readable monochrome (400×200)
Environment: 0 to 50 °C; 0–85% RH
Barcode: 1-D and 2-D (QR, Data Matrix, etc.)

📊 Porometer Measurements

Aperture: 0.75 cm diameter
Flow Rates: Low: 75 | Med: 115 | High: 150 μmol s⁻¹
RH Accuracy: ±2% RH
Leaf Temp: ±0.5 °C accuracy

🔬 Fluorometer Features

Flash Types: Rectangular & Multi-phase (MPF)
Wavelength: 625 nm (Peak)
Flash Intensity: 0 to 7500 μmol m⁻² s⁻¹
Peak Intensity: Up to 10,000 μmol m⁻² s⁻¹
Parameters: F₀, Fₘ, Fᵥ, Fᵥ/Fₘ, Fₛ, Fₘ’, ΦPSII, ETR

💾 Data & Power

Battery: 5200 mAh (Built-in Li-ion)
Charge Time: 3.5h (Standard) / 2h (Quick Charge)
Storage: 128 MB Internal
Interface: USB Micro-B / .CSV Output
Software: Windows® and macOS® apps

Output Parameters:
gsw, gbw, gtw (mol m⁻² s⁻¹) |
E (mmol m⁻² s⁻¹) |
VPcham, VPleaf, VPDleaf (kPa) |
H₂Oleaf (mmol mol⁻¹)
*High flow may not be achievable at higher altitude. Specifications subject to change. ©2022 LI-COR, Inc.

Applications

Applications

Applications The LI-7810 is ideal for a range of applications—from atmospheric CH4 monitoring to mobile monitoring, to soil CH4 and CO2 flux measurements. It easily connects to the Smart Chamber or LI-8250 Multiplexer for survey or long-term soil CH4 /CO2 gas flux measurements.

  • Atmospheric monitoring
  • Soil gas flux measurements
  • Mobile measurement systems
  • Wetland and lake emissions
  • Small volume injections
  • Sampling from flasks
  • Urban emissions monitoring
  • pCH4 measurement systems
  • Sensor networks
  • Large area emissions monitoring
  • Fugitive emissions detection
  • High altitude sites

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