Download Note

5)
Allow approximately 10-15 seconds for the value to stabilize then read the meterdisplayed value for frequency.
6)
Calculate the turbine speed value measured in revolutions per minute (RPM) by
multiplying the frequency displayed on the meter by the number 30. Round the total to
the nearest 10.
7)
The measured turbine speed must be between 3400 and 4400 RPM.
8)
Record the measured turbine speed (T/S) value. This value is used in the General
Checkout patient port pressure testing.
If the measured T/S value is outside of the above range, check the setup and repeat the
test. For assistance, call technical support at Pulmonetic Systems, Inc., using the contact
information at the front of this manual.
Page 6-22
LTV® Series Ventilator Service Manual
p/n 10665, Rev. H