Functional Tests Periodic Maintenance
3 - 30 046-001141-00 A5/A3â„¢ Service Manual
Calibration Device (TSI Certifier 4070):
a. Setup the calibration device as described below.
b. Flow Setting: Press the to line select key until the top display reads LPM or SLPM. If the
display reads LPM, press the DISPLAY UNITS key until the top display reads SLPM.
7. O2 flowmeter test. Adjust the O2 flowmeter to 0.5L/min, 1L/min, L/min, 6L/min, 10L/min and
15L/min in turn. Make sure that the measured flow is within 10% of the set value or 0.12 L/min,
whichever is greater.
8. N2O flowmeter test. Adjust the O2 flowmeter and N2O flowmeter each to 0.5L/min, 1L/min, 3L/
min, 6L/min and 10L/min in turn. Make sure that the measured flow is within 10% of the set
value or 0.12 L/min, whichever is greater.
9. AIR flowmeter test. Adjust the AIR flowmeter to 0.5L/min, 1L/min, L/min, 6L/min, 10L/min and
15L/min in turn. Make sure that the measured flow is within 10% of the set value or 0.12 L/min,
whichever is greater.
10. Re-install the breathing circuit module.