Adixen ASM 310 - Test Method

GB 03302 - Edition 03 - July 12
3/11
A 200
About leak detection
Test method
Choice
Several test methods are possible.
The testing method is selected according to the test part and the
measurement range required:
Hard Vacuum test
Hard Vacuum test Sniffing test
C 402
The part can
be connected to
an evacuation line
The part is sealed
BOMBING method
The sensitivity is limited by the
internal dead volume of the part as
well as on the bombing time and the
pressurization value.
Global test without possible location
of the leak.
SPRAY method
leak rate measurement from 5 · 10
-12
to 10
-1
mbar l/s and possibility of
locating the leak.
SNIFFING method
Minimum detectable leak of
10
-7
mbar l/s and possibility of
locating the leak.
Its characteristics
allow it to be
evacuated
Its characteristics
allow it to be
pressurized with helium
or a mixture containing
helium
Its characteristics
allow it to be placed
in a vacuum
vessel
yes
yes
yes yes
no
no
adixen Vacuum Products - ASM 310 Operating instructions