Technical Description TITANUS MICRO·SENS
®
2 – 20 Data: 01/09 MS_A_02-b-en-e
2.3.4 Air filters for dusty areas
6
Air sampling pipe
Air filter for
ADx und TITANUS
Special filter for
ADx und TITANUS
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Fig. 2.27: TITANUS MICRO·SENS
®
with air filter
In areas with interference to the environment such as, e.g. dust, an air
filter is to be used to protect the smoke detection system.
Type LF-AD-x air filter The standard air filter used is the type LF-AD-x, comprising a plastic
housing with two PG29 threaded connections. The multi-layer filter
material absorbs particles which are larger than about 15 μm.
The air filter is automatically monitored for dirt (blockage) by the
TITANUS MICRO·SENS
®
air flow monitoring arrangement. If the air filters
are dirty, then the filter inserts must be changed by opening the filter
housing.
Special type SF-x filter In extremely dusty areas (e.g. recycling plants) in which the use of an
LF-AD is not sufficient, a special filter must be used. The special filter
safely holds back the dust particles in a heavily polluted atmosphere us-
ing the filter medium. The filter is guaranteed to have an even quality of
dust collection right through to the end of its useful life. Two types of spe-
cial filter are available (type SF-400 and type SF-650), the SF-650 having
a longer useful life because of its larger surface area.
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