Support
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LI-7700 Open Path CH4 Analyzer
LI-7500A Open Path CO2/H2O Analyzer
LI-7200 Enclosed CO2/H2O Analyzer
Eddy Covariance System
LI-6400XT Portable Photosynthesis System
LI-8100A Automated Soil CO2 Flux System
LI-7000 Differential CO2/H2O Analyzer
LI-840A CO2/H2O Analyzer
LI-820 CO2 Analyzer
LI-610 Portable Dew Point Generator
LAI-2200 Plant Canopy Analyzer
LI-3000C Portable Area Meter
LI-3100C Area Meter
Light Sensors 
LI-250A Light Meter
LI-1400 Datalogger
Discontinued Instruments
Manuals
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Software
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Technical Documents
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Need additional help?
Contact LI-COR technical support here
or by phone: 1-402-467-3576
Toll Free: 800-447-3576
Calibration Data
On-line calibration certificates are available for several instruments, including light sensors, gas analyzers (LI‑840/A, LI‑7500/A, LI‑7200, LI‑7000) and the LI‑6400/XT Portable Photosynthesis System. To download an electronic copy of your calibration certificate, which includes the calibration constants and applicable multipliers, enter your serial number (including the appropriate prefix; e.g. PY-xxxx) below:
Factory Service
Instructions for servicing LI-COR instruments:
North America:
Service Information Form
Germany, Liechtenstein, Albania, Iceland, Belarus, Ukraine, Moldova, Estonia, Latvia, Lithuania, Malta, Cyprus, Monaco, San Marino, United Kingdom, Ireland or Scandinavia:
Service Information Form
Service Information Form (German)
LI-COR Distributors:
To locate your country and designated point of contact click here.