Model 11-R
GRIMM AEROSOL TECHNIK GmbH & Co.KG Seite 30 von 83
2.6 Sample intake
Through the sample intake, air enters the device and is routed to the measuring cell. The sample intake
is equipped with a quick coupling. Various sample collection probes with an exterior diameter of 4 mm
can be inserted.
When the device is not in operation, the sample intake should be closed with the inte-
grated cover cap to prevent the penetration of particles and keep the measuring cell
from getting dirty. An internal flow of purge air protects the measuring cell against dirt
when the device is powered up.
2.6.1 Using the radially symmetrical suction head (1111)
The suction head can be tightly installed in the sample intake without
the use of tools
2.6.2 Removing the suction head
To loosen and remove the suction head, the blue plastic lip must be held using a finger or small tool.
Then the suction head is easily removed. Various sample collection systems are available depending on
the application. Also see the list of accessories in Section 7.3.
Figure 2-12: Inserting the
suction head
Figure 2-13: Removing the suction head
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