LI-COR LI-8 0 Series Using

B-1Using the LI-830 and LI-850 Gas Analyzers
Appendix B.
Specifications
CO
2
measurements
Measurement range: 0 to 20,000 ppm
Accuracy
LI-850: Within 1.5% of reading
LI-830: Within 3% of reading
Calibration drift
Zero drift
1
: <0.15 ppm / °C
Span drift
2
: <0.03% / °C
Total drift at 370 ppm
3
: <0.4 ppm / °C
RMS noise at 370 ppm with 1 sec signal filtering: <1 ppm
Sensitivity to water vapor (LI-850 only): <0.1 ppm CO
2
/ mmol mol
-1
H
2
O
Lower limit of detection: 1.5 ppm
H
2
O measurements (LI-850 only)
Measurement range: 0 to 60 mmol mol
-1
Accuracy: Better than 1.5% of reading
Calibration drift
Drift at 0 mmol mol
-1
: <0.005 mmol mol
-1
/ °C
Span drift at 10 mmol mol
-1
: <0.006 mmol mol
-1
/ °C
Total drift at 10 mmol mol
-1
: <0.016 mmol mol
-1
/ °C
RMS noise at 10 mmol mol
-1
with 1 sec signal filtering: <0.01 mmol mol
-1
Sensitivity to CO
2
: <0.0001 mmol mol
-1
H
2
O / ppm CO
2
Lower limit of detection: 0.015 mmol mol
-1
1
Zero drift is the change with temperature at 0 concentration.
2
Span drift is the residual error after re-zeroing following a temperature change.
3
Total drift is the change with temperature without re-zeroing or re-spanning.

LI-COR LI-8 0 Series Specifications

General

Brand	LI-COR
Model	LI-8 0 Series
Category	Measuring Instruments
Language	English