DATOSPIR TOUCH User’s Manual 30
511-B00-MU2 • REV. 1 .09
3.5 QUALITY CONTROL: CALIBRATION CHECK
The
2005
ATS/ERS
TASK FORCE
recommends that all spirometers
be daily checked for calibration, before further testing begins.
The possible aging or the accumulated dirt of transducers may do
an
inaccurate
measure.
In
the
Pneumotachometers,
the relationship between the pressure drop and the airflow depends
on the gas viscosity. This viscosity is also depending of atmospheric
conditions of temperature, pressure and humidity. This is the
reason to carry out a calibration check every day to validate that
the device is within calibration limits.
If a device fails its
calibration check
, then new calibration
procedure or equipment maintenance is required to ensure the
proper use of the Spirometer.
To verify that transducer operates properly, the spirometer includes
a simple check-up procedure based on measuring the known
volume of a calibration syringe.
Test procedure:
1
Couple the transducer to the outlet port of the syringe
(between 3 and 6 L
):
2
Power up the
DATOSPIR TOUCH and press
from the
main menu.