CIRAS-3 Operation Manual V. 1.09 178 support@ppsystems.com
Section 14. Routine Maintenance
The section refers to many areas that can be addressed and serviced fairly easily by users without the
need to return equipment to PP Systems or authorized distributors. If it has been determined that a
problem or fault can only be resolved by factory service at PP Systems please refer to
Returning
equipment to PP Systems on page 12.
CIRAS-3 Main Console
Most internal components can easily be accessed by loosening the 2 small screws on the front of the
CIRAS-3 main console and gently pulling back on the door as shown below.
The only internal components that may require local user-maintenance are as follows:
• Li-ion battery packs
• Air sampling pumps (Reference and Analysis)
• Hydrophobic filter
Battery Pack (Li-ion Battery)
Up until June 2017 the CIRAS-3 was powered by a single, 7.2V Li-ion battery (Manufacturer: Aved) which
is capable of delivering up to 8 hours continuous use in the field (dependent on environmental controls).
This should last for many years. Starting in July 2017 we began supplying instruments with two 7.2V (8.7
Ah, 63 Wh) Li-ion battery packs (Manufacturer: Inspired Energy) providing system operation up to 12
hours.
B - Reference Pump
C – Air Supply Pump
D – Air Supply Unit
Hydrophobic Filter (white
plastic)
E – CO
2
Regulator Holder
F – Battery Pack
Compartment
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