Cosmed Quark PFT, Manual

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46 - Quark PFT User Manual
2. Ensure that the DLCO cylinder is properly connected to the rear panel of the Quark
PFT and check that the pressure of the gas is in the range 5-6 bar.
3. Check if the reference values for the calibration gas specified in File/Reference
values… correspond to the certified composition of the mixture.
4. Connect the sampling line to the CAL port placed on the front panel of the Quark
PFT.
5. Select Calibration/Gas…/DLCO… and wait until the procedure is completed.
Print the calibration report
In the Calibration program choose Print from the File menu.
Edit the calibration factors
The last sensors calibration factors can be either edited or viewed. To do this choose
Gas Results… from the File menu.
To view or edit the last Turbine calibration factor choose Turbine results… from the
File menu.
Note: To restore factory setting press Default button in the dialog box. Once you press
the default button you must run a new calibration before testing.
O
2
delay check
Selecting Calibration/Gas/O
2
delay , check if this value is below 250ms. If it is above
250ms, please contact the Technical Support.
An high value of the O
2
delay can be due to:
•
Chemical sensor exhausted.
•
Old or obstructed Permapure tube.
•
Dust or dirt in the sampling line.