GE MOA 280i, Руководство по эксплуатации и обслуживанию

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GE Analytical Instruments ©2006
8-12
DLM 14291 Rev. A
Figure 8-5: Setup for Analysis of Bag Samples.
For the off-line NO measurements, the NOA can be in either the Exhalation Mode
or the Nitric Oxide mode with the Units set to Concentration. Sensitivity should be
set to Auto and the Com Port Interval set to 1/2 or 1/4. See Chapter 5
(INSTALLATION AND SETUP: GAS-PHASE MEASUREMENTS) for configuring the NOA.
The NOA should be calibrated (Chapter 6 – CALIBRATION) prior to measurement.
•
Start the measurements with the three-way valve positioned so that OFF points
toward the bag or open leg of the valve so that zero air is drawn into the NOA.
•
Connect the first bag to the three-way valve making sure that the Luer
connection between the valve and bag is secure.
•
Turn the three-way valve so that OFF points toward the zero air filter. Gas
from the bag is now being drawn into the NOA.
•
Allow the NOA to sample gas from the bag for at least 15 seconds.
•
Record the NO value from the display or select the Add NO value button in the
Bag program.
•
Turn the valve back so that OFF points toward the bag.