Model 11-R
GRIMM AEROSOL TECHNIK GmbH & Co.KG Seite 80 von 83
Figure 7-9: Functional principle of the isokinetic duct probe 1152
7.4.4 Installation of the duct probe 1152
The duct probe for the measuring device is supplied with separate installation instructions.
To establish the connection, insert the isokinetic duct probe into the sample intake on the Mini-LAS 11-
R or use the transparent silicone tube b) as a flexible extension with a 4 mm connection tube to the
sample intake. The grey PVC hose c) conducts the sample air back and is connected to the sample
discharge on the Mini-LAS 11-R without tools.
Note: To avoid particle losses due to sedimentation in the silicone tube as far as possible, the
distance between the duct probe and the sample intake on the dust monitor should be as
short and straight as possible or vertical. Ideally the duct probe would be connected directly
to the dust monitor!
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