Service manual

IQmark Digital Spirometer Operation Manual

 Inhalation – If a flow volume loop is required, ensure that the patient keeps

the DPM in their mouth and takes a maximal inhalation at the end of the

forced expiration.

Have the patient hold the handle next to their cheek, not in front of their mouth. To start

the test, click the Start New Test button. The device will “zero” itself. BE SURE THAT

NO AIR IS TRAVELING THROUGH THE MOUTHPIECE DURING ZEROING. The

following box will appear while the Spirometer is zeroing.

Zeroing The Sensor

Once this is done, the following incentive display appears (or the one selected by the

user). Have the patient, inhale fully, move the handle sideways towards their mouth,

insert the mouthpiece into their mouth and start the test.

Thermometer Incentive Display

For this incentive, note that the color of the “mercury” in the thermometer changes with

the percentage of the patient’s predicted FVC value. It will remain red from 0 to 49%,

yellow from 51% to 79%, green from 80% to 100% and bright green above 100%. The

percentage of their predicted value is also displayed above the thermometer. After the

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