Factory Calibration

Recommended Recalibration Frequency: No regular factory recalibration required.

What is Included with LI-7820 Recalibration?

A factory recalibration includes the following:


  • Zero, span, and verification
  • Pressure sensor calibration

Tests and Maintenance

  • Plumbing inspection and leak test
  • Replace dry-down chemical
  • Change user-replaceable inlet filters
  • Inspect O-Rings, filter housing support on inlet/outlet connection
  • Lithium coin cell battery changed (as needed)
  • Upgrade software to the most recent version (please download a copy of your files before sending to LI-COR)
  • Check pump and flow rates
  • 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.