INSTALLATION, OPERATION AND MAINTENANCE MANUAL – COSA 9610™
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2.4.2. Sample supply
The sample supply line must be heat-traced and/or insulated to keep the gas above
dew point. Check your sample data for required temperature.
Sample inlet connection on the analyzer is identified with a tag-plate.
The sample connection on the analyzer is for 1/8” OD tubing. Tubing size to the
process may require a different tube size, this should be determined taking into
account process pressure, sample line length and acceptable lag time.
2.4.3. Calibration gasses
Calibration gas composition is depending on range and process gas. COSA Xentaur
can advise suitable compositions.
For a single range analyzer, two calibration gasses (low and high value) are
recommended. For a dual range analyzer, three calibration gasses (low/medium and
high value) are mandatory.
2.4.4. Instrument Air Input
Air supply must be compressed at minimum of 80 psi to 150 psi.
Filters and dryers should be installed to the air supply line to remove particulates,
vapor, aerosols, and moisture as they may cause damage to the equipment.
2.5. ELECTRICAL CONNECTIONS
The COSA 9610™ requires one power supply.
2.5.1. Analyzer electronics (ATEX application).
The power must be connected on the interference filter inside the electronics cabinet.
The cable must lead into the analyzer through a suitably certified cable gland. This
power is supplied from the breaker panel that is in turn controlled by the X-purge unit.
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