Instruction Manual VisGuard 2 E xtractive
Commissioning
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14265E/1
7
Commissioning
Due to the wide range of different sampling system versions, it is not possible to provide de-
tailed guidelines and principles for commissioning. If plausible measuring values are seen and
no malfunction messages are shown on the control unit, it can be assumed that the samp-
ling system is working correctly.
Proceed with the initial start-up in accordance with the following table:
WORKSTEP
ADDITIONAL INFO / IMAGES
1.
Check that the sample transport is correct and
the sampling system has no leaks.
2.
On multiple sampling systems, ensure the cor-
rect allocation of the measuring point to the
outlet channel of the control device (correct
connection of the electrical connections and
samples).
3.
Optional components installed for monitoring
the flow rate in the sample lines (pressure mo-
nitor) must be set on site while the system is
running. Section 5.3.3
4.
In order to compensate for the vacuum in the
measuring cell and dust losses in the lines, a
suction correction factor may have to be set on
the control unit. This factor is based on experi-
ence and can be determined using Figure 4 or
by measuring with a mobile In-situ instrument.
Figure 4: Determining the suction correction factor (KF)
KF
Suction correction factor
L
Line length
1 .2 0
1 .3 0
1 .4 0
1 .5 0
1 .6 0
3 0
8 0
1 3 0
1 8 0
2 3 0
2 8 0
3 3 0
3 8 0
4 3 0
4 8 0
L [m ]
K F
