LI-COR LI-870, Using Manual

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Contents
Section 1. Overview of the LI-870
What's what 1-1
LI-870 CO2/H2O Analyzer 1-1
LI-870 cable and tube assembly 1-2
Shoulder strap 1-2
Split ring assembly 1-2
Spares kit 1-3
Software 1-3
Section 2. Using the LI-870
Connecting the cable assembly 2-1
Powering the analyzer and making measurements 2-3
Identifying the LI-870 serial number 2-3
Storing the LI-870 2-5
Section 3. Troubleshooting
Smart Chamber or LI-8250 software not recognizing LI-870 3-1
Unable to Zero or Span the Instrument 3-2
Instrument Reports -50 ppm CO2 or Measurements Jump Around 3-2
Section 4. Maintenance
Cleaning the optical bench 4-1
Connecting to LI-870 for calibration 4-4
User calibration 4-5
Setting the H2O zero and spans 4-6
Setting the CO2 zero 4-6
Setting the primary CO2 span 4-7
Setting the secondary CO2 span 4-8
Recovering from a bad zero or span 4-8
Appendix A. Specifications