6
Operation and settings
56
6924-en_V1.3_09/20
6.7
Valve function test of respiratory masks
based on EN 149
The following value is saved in the testing routine
FFP 3 Valve Test
:
Volume flow rate: 300 l/min.
The curvature of the respiratory mask has to face down on the filter holder
for this measurement.
Performing a test
1.
Touch the respective button to start a testing routine.
ð
The window
Operator Name
appears.
2.
Enter the name and confirm with the enter key.
ð
The window
please choose a type
appears.
3.
Touch
>choose<
and confirm with
ok
to select a predefined type of
mask. To not select any mask type: Select
unidentified
.
ð
The window
Lot name
appears.
4.
Enter a batch name.
5.
Follow the instructions on the screen until the testing routine is com-
pleted.