CIRAS-3 Operation Manual V. 1.09  10  support@ppsystems.com 
 
Welcome 
Thank you very much for purchasing our CIRAS-3 Portable Photosynthesis System.  We greatly 
appreciate your business and we look forward to working with you and your research team for many 
years to come.   
 
This operation manual is based on our software Version 1.09 and above along with the following system 
firmware and above: 
•  FW Version:  V. 1.04 and above 
•  Air Version:  V. 3.02 and above 
•  IRGA Version:  V. 3.06 and above 
•  PLC Version:  V 3.14 and above 
To check which software and firmware versions are currently installed on your CIRAS-3 go to Help (F8) > 
About (F2): 
 
For users running V. 1.09 console software along with latest firmware, future software and firmware 
updates can be made locally without the need to return the system to our factory.  Our latest software and 
documentation can be downloaded free of charge from our website if you are registered with us (See 
User Registration on page 11
).  For users running older software and firmware versions, the CIRAS-3, 
This product is manufactured in accordance with CE 
requirements.  For more information on system 
conformity please get in contact with PP System.