The Mysterious Case of the Free Manual

• Check the background scan. Ensure the sample compartment is clean and free of debris.
• Verify the purge gas (if using dry air or nitrogen) is flowing correctly to remove atmospheric water vapor and CO2.

Monitor the humidity indicator; the system is designed for minimal maintenance, but keeping it dry is critical. Daily Calibration:

Final Thoughts

Universal ATR (UATR) Guide

: Instructions for the common UATR sampling accessory used with this spectrometer can be found through the University of North Texas .