DO NOT STICK OVER,
DO NOT COVER the
microscopic vent
hole nor close it in any
other way!
10
Correct membrane tension
Correct membrane tension
After screwing has been fi nished, it must be
After screwing has been fi nished, it must be
noticeable that the membrane is stretched out
noticeable that the membrane is stretched out
by the probe tip.
by the probe tip.
The probe tip must be in contact with the
The probe tip must be in contact with the
membrane.
membrane.
Stretch out the membrane su ciently.
Stretch out the membrane su ciently.
The microscopic vent hole in the CLF probe
The microscopic vent hole in the CLF probe
REMAINS UNCOVERED !!!
REMAINS UNCOVERED !!!
BEFORE
screwing