Factory Calibration

Recommended Recalibration Frequency: No regular factory recalibration required.

What's included with LI-820 recalibration?

A factory calibration includes:


  • Analyzer drift and stability is checked.
  • CO2 analyzer is zeroed and spanned.
  • The accuracy of the calibration function is then verified across the measurement range of CO2 using 17 gases.

Tests and Maintenance

  • The optical path components and hoses are inspected.
  • Software is updated as needed.
  • Other repairs and maintenance as needed; customers are notified if additional fees are required for repairs.

Factory Service and Recalibration

To request factory service or recalibration for an instrument:

Service will be performed at our US office in Lincoln, NE USA, European office (LI-COR GmbH), or by your local distributor.