LI-COR LI-840A - Specifications

Appendix A. Specifications
CO
2
Measurement Range: 0-20,000 ppm
Accuracy: Better than 1.5% of reading
Calibration Drift
Zero Drift: <0.15 ppm/°C
Span Drift: < 0.03 %/°C
Total Drift at 370 ppm: <0.4 ppm/°C
RMS Noise at 370 ppm with 1 sec signal filtering: <1 ppm
Sensitivity to water vapor: < 0.1 ppm CO
2
/mmol/mol H
2
O
H
2
O
Measurement Range: 0-60 mmol/mol
Accuracy: Better than 1.5% of reading
Calibration Drift
Drift
1
at 0 mmol/mol: <0.005 mmol/mol/°C
1
Zero drift is the change with temperature at 0 concentration.
Appendix A. Specifications A-1