Help and Documentation

Welcome to help and documentation for the LI-200R Pyranometer.

Top Resources

LI-200R Pyranometer Instruction Manual


Instruction Manual for the LI-200R Pyranometer.

Terrestrial Radiation Sensors Instruction Manual


For older sensors. Instruction manual for LI-COR light sensors, including the LI-190, LI-191, LI-200, and LI-210.

Principles of Radiation Measurement


Brochure describing the fundamental principles of light and radiation measurements using light sensors.

View all documents...

LI-200R Factory Recalibration

LI-200R and LI-200 Pyranometer recalibration is recommended every 2 years after field deployment. Recalibration can be performed between March 20 and September 15.

What's Included with Factory Calibration?

Request Service and Recalibration

To request factory service or recalibration for a LI-COR instrument: Request Factory Service or Recalibration

Service will be performed at our US office in Lincoln, NE USA, European office (LI-COR Biosciences - GmbH), or by a distributor. To locate your country and designated point of contact click here.

Looking for a Calibration Certificate?