CIRAS-3 Operation Manual V. 1.09 66 support@ppsystems.com
Section 6. Startup Routine and System Stability
Checks
Before You Power Up CIRAS-3
The time required to be up and running from when you power on CIRAS-3 to when you make your first
measurement is reasonably short. Much of the pre-operation phase depends on the how well you
maintain chemicals. But there are a few other important considerations. The most basic pre-operational
checklist can be summarized by these items:
• Be sure that the chemicals are fresh and not exhausted.
• Check that the leaf chamber gaskets are in good condition and replace them if they are
compressed, damaged, or dirty.
• Be sure there is sufficient battery power for field operation. For optimal performance, we
recommend charging the internal CIRAS-3 Li-ion battery(s) the night prior to field
measurements using the power supply adapter provided. The indicating LED on the
CIRAS-3 console will be a steady green when connected to the charger/power supply.
The actual state of the battery can be viewed in the lower right hand corner of the display
when powered on.
• Make all necessary electrical connections of cuvettes, accessories and other components
• If working at high ambient temperatures (>35-40
o
C), we recommend shading the console
to prevent overheating.
• Keep the CIRAS-3 on its power supply adapter during warm up to preserve the battery.
• If using a CO
2
cartridge, make sure that one is in place with enough capacity to get you
through your measurements. See CO2 Cartridge Status on page 68
.
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