Leak test – Fluke Biomedical VT Plus HF User 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.

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

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

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.