Servicing
Instruction Manual VisGuard 2
14162E/2
89
9.6
Recalibrating the VisGuard 2
9.6.1
General information on recalibrating the VisGuard 2
Recalibrating the photometer can result in deviations from the previous measuring value as
the instrument is newly reset to a reference value (checking unit).
Recalibration can be triggered via the control unit, or automatically by plugging in the
checking unit. The automatic triggering of a recalibration can be activated under
Re-
calibration \ General \ Auto start recal.
.
The nominal values on two checking units can be saved in the VisGuard 2. The checking
units are identified via a serial number.
The checking unit currently in use mus t be defined in the
Recalibration \ C1 \ Cont.
active
menu. Checking unit 1 is set as standard.
9.6.2
Setting checking unit number in use
WORKSTEP
ADDITIONAL INFO / IMAGES
1.
Switch to service mode as described in Section
7.13.
2.
Select the checking unit currently in use in the
Recalibration \ C1 \ Cont. active
menu.
9.6.3
Manual adjustment with a control unit
The following procedure describes how manual adjustment is made with a control unit:
WORKSTEP
ADDITIONAL INFO / IMAGES
1.
In-situ: Remove the protection cover or heater
from the sample inlet.
Warning: The heater can be very hot af-
ter operation and may cause burns.
Extractive: Remove the hose from the sample
inlet.
2.
On installations with SIPORT 2:
Plug in the SICON-C on the SIPORT 2 connec-
tion box.
3.
Switch the photometer to service mode as
described in Section 7.13.
4.
Check the serial number of the checking unit
against the number of the instrument. These
must match.
