Table of Contents
CIRAS-2 Operator's Manual Version 2.04
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CO
2
(0–2000 ppm) ........................................................................................................................... 51
1. Supply (Ref) Approximate ppm .................................................................................................... 51
2. Supply (Ref) Set ppm ................................................................................................................... 51
3. Cuvette (An) Set ppm ................................................................................................................... 51
About CO
2
Control Types ..................................................................................................................... 51
H2O (0-100% or 0 mb-Dewpoint) ..................................................................................................... 51
1. Supply (Ref) % Ambient ............................................................................................................... 51
2. Supply (Ref) Set mb ..................................................................................................................... 51
3. Cuvette (An) % RH (vs. Leaf T) .................................................................................................... 51
4. Cuvette (An) Set mb (0-Dewpoint) ............................................................................................... 52
5. Leaf to Cuvette VPD ..................................................................................................................... 52
About H
2
O Control Types ..................................................................................................................... 52
Determination of Actual Ambient RH ................................................................................................ 52
PAR ...................................................................................................................................................... 52
Cuvette Flow ........................................................................................................................................ 52
Temperature ........................................................................................................................................ 53
Track Ambient .................................................................................................................................. 53
Entered Values ................................................................................................................................. 53
None ................................................................................................................................................. 53
Which Control Type Should I Use? ...................................................................................................... 53
If performing a Light Response: ....................................................................................................... 53
If performing a basic CO
2
Response: ............................................................................................... 53
Customized Operation of CIRAS-2 with Ambient CO
2
......................................................................... 53
Customized Operation of CIRAS-2 at Humidity Levels Above Ambient .............................................. 54
CIRAS-2 Time ............................................................................................................ 54
Analog Outputs .......................................................................................................... 54
CO
2
Analog Outputs ............................................................................................................................. 55
H
2
O Analog Outputs ............................................................................................................................. 55
Examples of Analog Outputs ............................................................................................................... 55
Automatically Update CIRAS ..................................................................................... 56
Graphing Preferences ................................................................................................. 57
Time Plot .................................................................................................................... 57
Select Variables ................................................................................................................................... 57
Font Size .............................................................................................................................................. 57
Time Plot Details .................................................................................................................................. 58
Select Variable to Edit .......................................................................................................................... 58
Time Span ............................................................................................................................................ 58
Data Plot .................................................................................................................... 58
Shown Variable on Y Axis .................................................................................................................... 58
Observing and Recording Leaf Gas Exchange ........................................................ 59
Checking the System with an Empty Cuvette............................................................. 59
Select Recording Options........................................................................................... 60
Treatment Editor .................................................................................................................................. 61
Treatment Groups ............................................................................................................................ 61
Treatment Items ............................................................................................................................... 61
Recording Mode ................................................................................................................................... 62
Placing the Leaf in the Cuvette .................................................................................. 63
Keypress Recording ................................................................................................... 65
Timed Recording ........................................................................................................ 66
Settle Time (Seconds) ......................................................................................................................... 67
Steady Pn Options ............................................................................................................................... 67
Use Steady Pn .................................................................................................................................. 67
Steady Pn Value ............................................................................................................................... 67
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