CIRAS-3 Operation Manual V. 1.09  3  support@ppsystems.com 
 
Changes to CIRAS-3 Software ............................................................................................................ 38 
Section 3.  Summary of System Design ..................................................................................................... 40 
Overview and Theory .............................................................................................................................. 40 
Section 4.  System Components and Assembly ......................................................................................... 44 
CIRAS-3 Main Console ........................................................................................................................ 44 
System Power ......................................................................................................................................... 44 
Power Supply Adapter ......................................................................................................................... 44 
Battery Pack ......................................................................................................................................... 45 
Battery Pack Installation ...................................................................................................................... 46 
Charging Batteries inside the CIRAS-3 Console ................................................................................. 47 
CIRAS-3 Rear Console ........................................................................................................................... 48 
USB Flash Drive Ports ......................................................................................................................... 48 
Battery Charging Socket (EXT PWR) and LED ................................................................................... 49 
Power ................................................................................................................................................... 49 
Mini-USB (PC) ..................................................................................................................................... 49 
PLC Connections ................................................................................................................................. 49 
CO
2
 Cartridge Holder ........................................................................................................................... 49 
CO
2
 Cartridges ..................................................................................................................................... 50 
How do I determine the state of the CO
2
 cartridge? ............................................................................ 50 
Gas Ports and Link Pipe ...................................................................................................................... 51 
Auxiliary Connector .............................................................................................................................. 51 
Zero Column ........................................................................................................................................ 51 
CO
2
/H
2
O Control Columns and H
2
O Equilibrator ................................................................................. 52 
PLC3 Series Leaf Cuvettes ..................................................................................................................... 53 
PLC3 Universal Leaf Cuvette .............................................................................................................. 53 
PLC3 Narrow Leaf Cuvette .................................................................................................................. 53 
PLC3 Conifer Leaf Cuvette .................................................................................................................. 53 
PLC3 Temperature Control ..................................................................................................................... 54 
Temperature Measurement ................................................................................................................. 54