6
Operation and settings
6924-en_V1.3_09/20
53
6.5
Efficiency test based on EN 13274-7
There are two testing routines available for testing respiratory masks based
on EN 13274- 7:
•
Efficiency Test (salt)
= Testing with saline aerosol
•
Efficiency Test (oil)
= Testing with oil aerosol
Testing sequence:
1. Measuring raw gas with closed filter holder - without respiratory mask
2. Measuring with respiratory mask, with the outside of the mask facing up
(with concave masks: curvature up)
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.