LI-COR LI-6400, Manual

Page: 70 / 846

Guided Tours
Tour #2: New Measurements Mode Basics
3-18 Using the LI-6400
3
Table 3-1. The variables and how they are grouped for viewing in the default display
configuration. For more information about these variables, refer to Table 14-8 on
page 14-19.
Group Label Description
A
CO2R_µml
Reference cell CO
2
(µmol CO
2
mol
-1
)
CO2S_µml
Sample cell CO
2
(µmol CO
2
mol
-1
)
H2OR_mml
Reference cell H
2
O (mmol H
2
O mol
-1
)
H2OS_mml
Sample cell H
2
O (mmol H
2
O mol
-1
)
B
D
CO2_µml
CO
2
delta (sample - reference) (µmol CO
2
mol
-1
)
D
H2O_mml
H
2
O delta (sample - reference) (mmol H
2
O mol
-1
)
Flow_µml
Flow rate to the sample cell (µmol s
-1
)
RH_S_% Relative humidity in the sample cell (%)
C
Photo
Photosynthetic rate (µmol CO
2
m
-2
s
-1
)
Cond
Conductance to H
2
O (mol H
2
O m
-2
s
-1
)
Ci
Intercellular CO
2
concentration (µmol CO
2
mol
-1
)
Trmmol
Transpiration rate (mmol H
2
O m
-2
s
-1
)
D
Ci/Ca Intercellular CO
2
/ Ambient CO
2
VpdL Vapor pressure deficit based on Leaf temp (kPa)
VpdA Vapor pressure deficit based on Air temp (kPa)
E
totalCV% Sum of
D
CO2CV_%,
D
H2OCV_%, and
Flow_CV%
D
CO2CV_% Coefficient of variation of
D
CO2_µml (%)
D
H2OCV_% Coefficient of variation of
D
H2O_mml (%)
Flow_CV% Coefficient of variation of Flow_µml (%)
F
RH_R_% Relative humidity in the reference cell (%)
RH_S_% Relative humidity in the sample cell (%)
Td_R_% Dew point temp in the reference cell (C)
Td_S_% Dew point temp in the sample cell (C)