# LI-COR Technical Support Center > The landing page for the LI-COR help center. Start here to find operating instructions, instruction manuals, software and firmware downloads, videos, troubleshooting information, technical documents, calibration information, and other support resources for LI-COR products and product families. - [Technical Support Center](https://www.licor.com/support/llms.txt): Main support landing page and product directory. ## Light Measurement - [LI-190R and LI-191R Quantum Sensors --- Terrestrial Quantum Sensors](https://www.licor.com/support/LI-190R-and-LI-191R/llms.txt): Support for LI-COR terrestrial quantum senors. - [LI-192 and LI-193 Underwater Quantum Sensors --- Underwater Quantum Sensors](https://www.licor.com/support/LI-192-and-LI-193/llms.txt): Support for LI-COR underwater quantum senors. - [LI-200R Pyranometer --- Pyranometer Sensor](https://www.licor.com/support/LI-200R/llms.txt): Support for LI-COR pyranometer. - [LI-210R Photometric Sensor --- Photometric Sensor](https://www.licor.com/support/LI-210R/llms.txt): Support for LI-COR photometric sensor. - [LI-1500 Light Sensor Logger](https://www.licor.com/support/LI-1500/llms.txt): Operating instructions and support resources for the LI-1500. - [LI-250A Light Meter](https://www.licor.com/support/LI-250A/llms.txt): Operating instructions and support resources for the LI-250A. - [LI-180 Spectrometer](https://www.licor.com/support/LI-180/llms.txt): Operating instructions and support resources for the LI-180. ## Photosynthesis - [LI-600N Porometer/Fluorometer](https://www.licor.com/support/LI-600N/llms.txt): Operating instructions and support resources for the LI-600N. - [LI-600 Porometer/Fluorometer](https://www.licor.com/support/LI-600/llms.txt): Operating instructions and support resources for the LI-600. - [LI-6800 Portable Photosynthesis System](https://www.licor.com/support/LI-6800/llms.txt): Operating instructions and support resources for the LI-6800. - [LI-6400/XT Portable Photosynthesis System](https://www.licor.com/support/LI-6400/llms.txt): Operating instructions and support resources for the LI-6400 and LI-6400XT. ## Eddy Covariance - [LI-7500A/RS and SmartFlux 2 System](https://www.licor.com/support/LI-7500RS/llms.txt): Operating instructions and support resources for the LI-7500A/RS and SmartFlux 2. - [LI-7200/RS and SmartFlux 2 System](https://www.licor.com/support/LI-7200RS/llms.txt): Operating instructions and support resources for the LI-7200/RS and SmartFlux 2. - [LI-7500DS and SmartFlux 3 System](https://www.licor.com/support/LI-7500DS/llms.txt): Operating instructions and support resources for the LI-7500DS and SmartFlux 3. - [LI-7700 Open Path CH4 Gas Analyzer](https://www.licor.com/support/LI-7700/llms.txt): Operating instructions and support resources for the LI-7700. - [Biomet Data Acquisition System](https://www.licor.com/support/Biomet/llms.txt): Operating instructions and support resources for LI-COR biomet data acquisition hardware and sensors. - [Biomet System (Sutron)](https://www.licor.com/support/Biomet-Sutron/llms.txt): Support resources for the Sutron-based Biomet system and sensors. - [EddyPro 7 Software](https://www.licor.com/support/EddyPro/llms.txt): Operating instructions and support resources for EddyPro software. ## LI-COR Cloud and Internet of the Environment - [LI-COR Cloud](https://www.licor.com/support/Cloud/llms.txt): Operating instructions for LI-COR Cloud and Internet of the Environment data services. - [LI-710 Evapotranspiration Sensor](https://www.licor.com/support/LI-710/llms.txt): Operating instructions and support resources for the LI-710 Water Node. - [LI-720 Carbon Flux Sensor](https://www.licor.com/support/LI-720/llms.txt): Operating instructions and support resources for the LI-720 Carbon Node. - [IoE Module](https://www.licor.com/support/IoE-Module/llms.txt): Operating instructions and support resources for the Internet of the Environment module. ## TriSonica Anemometers - [LI-550 TriSonica Mini Wind and Weather Sensor](https://www.licor.com/support/LI-550/llms.txt): Operating instructions and support resources for the LI-550. - [LI-560 TriSonica Sphere Ultrasonic Anemometer](https://www.licor.com/support/LI-560/llms.txt): Operating instructions and support resources for the LI-560. - [LI-570 TriSonica Data Logger](https://www.licor.com/support/LI-570/llms.txt): Operating instructions and support resources for the LI-570. ## Gas Analysis - [LI-7810 CH4/CO2/H2O Trace Gas Analyzer](https://www.licor.com/support/LI-7810/llms.txt): Operating instructions and support resources for the LI-7810. - [LI-7815 CO2/H2O Trace Gas Analyzer](https://www.licor.com/support/LI-7815/llms.txt): Operating instructions and support resources for the LI-7815. - [LI-7820 N2O/H2O Trace Gas Analyzer](https://www.licor.com/support/LI-7820/llms.txt): Operating instructions and support resources for the LI-7820. - [LI-7825 CO2 Isotope/NH3 Trace Gas Analyzer](https://www.licor.com/support/LI-7825/llms.txt): Operating instructions and support resources for the LI-7825. - [LI-7835 H2/CH4/H2O Trace Gas Analyzer](https://www.licor.com/support/LI-7835/llms.txt): Operating instructions and support resources for the LI-7835. - [LI-830 and LI-850 Gas Analyzers](https://www.licor.com/support/LI-830-LI-850/llms.txt): Operating instructions and support resources for the LI-830 and LI-850. - [LI-870 CO2/H2O Gas Analyzer](https://www.licor.com/support/LI-870/llms.txt): Operating instructions and support resources for the LI-870. - [LI-8810 CH4/CO2/H2O AtmospherIQ Gas Analyzer](https://www.licor.com/support/LI-8810/llms.txt): Operating instructions and support resources for the LI-8810. - [LI-8815 CO2/H2O AtmospherIQ Gas Analyzer](https://www.licor.com/support/LI-8815/llms.txt): Operating instructions and support resources for the LI-8815. - [LI-8820 N2O/H2O AtmospherIQ Gas Analyzer](https://www.licor.com/support/LI-8820/llms.txt): Operating instructions and support resources for the LI-8820. - [LI-610 Dew Point Generator](https://www.licor.com/support/LI-610/llms.txt): Operating instructions and support resources for the LI-610. ## Soil and Soil Gas Flux - [LI-300 and LI-350 Soil Moisture Sensors](https://www.licor.com/support/LI-300-350/llms.txt): Operating instructions and support resources for the LI-300 and LI-350. - [LI-8250 Multiplexer](https://www.licor.com/support/LI-8250/llms.txt): Operating instructions and support resources for the LI-8250. - [Smart Chamber Soil Gas Flux System](https://www.licor.com/support/Smart-Chamber/llms.txt): Operating instructions and support resources for the Smart Chamber. - [SoilFluxPro Software Version 5](https://www.licor.com/support/SoilFluxPro/llms.txt): Operating instructions and support resources for SoilFluxPro software. - [LI-8100A and LI-8150 Automated Soil CO2 Flux System](https://www.licor.com/support/LI-8100A/llms.txt): Operating instructions and support resources for the LI-8100A and LI-8150. ## Aquatic Carbon - [LI-53x0A Dissolved Inorganic Carbon Analyzers](https://www.licor.com/support/LI-53x0A/llms.txt): Operating instructions and support resources for the LI-53x0A analyzer family. - [LI-5405A Underway pCO2 Analyzer](https://www.licor.com/support/LI-5405A/llms.txt): Operating instructions and support resources for the LI-5405A. - [LI-5700A Spectrophotometric Seawater pH Analyzer](https://www.licor.com/support/LI-5700A/llms.txt): Operating instructions and support resources for the LI-5700A. - [LI-5800A Total Alkalinity Titrator](https://www.licor.com/support/LI-5800A/llms.txt): Operating instructions and support resources for the LI-5800A. ## Leaf Area and Leaf Area Index - [LAI-2200C Plant Canopy Analyzer](https://www.licor.com/support/LAI-2200C/llms.txt): Operating instructions and support resources for the LAI-2200C. - [LI-3100C Leaf Area Meter](https://www.licor.com/support/LI-3100C/llms.txt): Operating instructions and support resources for the LI-3100C. - [LI-3000C Portable Leaf Area Meter](https://www.licor.com/support/LI-3000C/llms.txt): Operating instructions and support resources for the LI-3000C. ## Notes - The Technical Support Center is the authoritative directory for current support content. - Product support pages commonly provide an **Operating Instructions** section with web-based instructions and/or downloadable PDF instruction manuals. - Some support pages cover multiple related products or a complete system. - Discontinued products are also available from the Technical Support Center, but are not included in the primary product list above.