Fluke Biomedical VT Plus HF - Manual (Page 74)

VT Plus HF
Operators Manual
3-24
Leak Test
The Analyzer allows the user to test the leak rate of a sealed vessel or test lung. A Leak
test can be done using the high pressure, low pressure, or airway pressure signals to
measure the leak rate of a sealed vessel or test lung.
W Caution
To avoid damage to the Analyzer, be sure that maximum
pressure ratings are not exceeded when performing a Leak test.
See Specifications for absolute maximum pressure ratings for
each pressure port.
To access the Leak test screen:
1. Press the
MORE/4 key.
2. Use the S and T soft keys to highlight Leak Test .
3. Press the ENTER soft key . The Leak Test Setup screen displays.
fec061.bmp
To set test parameters:
1. On the
Leak Test Setup screen, press the S and T soft keys to highlight
Pressure Channel .
2. Press the MODIFY soft key until the desired pressure channel is selected.
Note
If Airway is selected, the airway transducer is connected to the currently
selected flow channel. Both flow channels can be tested; however, the
appropriate channel must be selected using the RANGE function in the
Flow Mode screen.
3. To enter the compliance of the test chamber (test lung) press the S and T soft keys
to highlight Compliance .
4. Press the MODIFY soft key. Use the keypad to enter the compliance in l/cmH
2
O. Be
sure to use leading zeros so that a number is entered for all five digits.
5. To enter the duration of the test, press the S and T soft keys to highlight Test
Time .
6. Press the MODIFY soft key.