CIRAS-3 Operation Manual V. 1.09  34  support@ppsystems.com 
 
 
CIRAS-3 Main Console (Continued) 
 
Two internal, rechargeable 7.2V Li-ion battery pack providing up to 12 
hours continuous use.  Power supply/charger included.  Please note 
that the system is capable of being powered by one battery pack for up 
to 6 hours continuous use. 
Range 
0-50 
o
C, non-condensing.  In dirty environments, external air filtration 
may be required. 
Rugged, ergonomic, lightweight aluminum with polyurethane base. 
28 cm (W) x 14.5 cm (D) x 24 cm (H) 
4.3 kg (including 1 battery pack). 
4.5 kg (including 2 battery packs) 
•  Leaf Gasket - Closed cell foam 
•  Impeller – Aluminum fan blade 
PLC3 Universal – Glass IR interference filter (Calflex) 
•  25 mm x 7 mm (1.75 cm
2
) 
•  18 mm diameter (2.5 cm
2
) 
•  25 x 18 mm (4.5 cm
2
) 
 
PLC3 Narrow – Glass IR interference filter (Calflex) 
PLC3 Conifer – Scratch resistant glass 
2 x 16 character LCD for display of user defined parameters 
Two tactile feel keys for recording and LCD selection 
PLC3 Universal – 2 miniature, silicon photodiode sensors 
PLC3 Narrow and Conifer – 1  miniature, silicon photodiode sensor 
•  Response: 400-700 nm 
•  Range – 0-3000 µmol m
-2
 s
-1
 
•  Precision – 10 µmol m
-2
 s
-1