KROHNE OPTISYS SLM 2100, Руководство пользователя, Страница: 65 / 88

OPERATION
5
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OPTISYS SLM 2100
www.krohne.com 01/2017 - 4002737304 - MA OPTISYS SLM 2100 R04 en
5.7.11 Calibration
There are two forms of calibration. First is the zero point calibration, which has to be performed
if the measured value shows discrepancies in the low measuring range. Second is the calibration
of the concentration which has to be performed if the sensor shows discrepancies in the middle
or high measuring range.
Both types of calibration can be performed individually. However, for a full
recalibration, both calibrations have to be performed in the following order:
1. Zero point calibration (Step 3)
2. Calibration of the concentration (Step 4a, 4b and 4c)
Step 1: entering the calibration procedure
Step 2: move sensor
INFORMATION!
Before leaving the factory the sensor is calibrated to offer an accurate measurement. Though it
might be necessary to re-calibrate the sensor during the lifetime of the system.
INFORMATION!
Even after the installation, a recalibration might improve the accuracy.
INFORMATION!
As soon the user enters the calibration menu the current outputs are frozen. After completion of
the calibration cycle and return to measuring mode, the current outputs are reset to "0". If the
user needs the actual reading right away, please press arrow down to trigger a manual
measuring cycle.
Press >>>> for more than 2.5 seconds, then release the button.
Press
↓
or
↑
until the main menu setup setup setup setup is highlighted.
Press >>>> to enter the chosen menu.
Press
↓
or
↑
to select maintenance maintenance maintenance maintenance.
Press >>>> to enter the chosen menu.
Press
↓
or
↑
to select calibration calibration calibration calibration.
Press >>>> to enter the chosen menu.
set cal. position? set cal. position? set cal. position? set cal. position? is shown.
•
Press
↓
or
↑
to choose on
on on
on.
•
Press
^ ^ ^ ^
to enter the chosen menu.
Now the info please wait
please wait please wait
please wait is shown and the sensor moves in the start position.
A submenu with move sensor move sensor move sensor move sensor, calibrate zero calibrate zero calibrate zero calibrate zero and calibrate conc. calibrate conc. calibrate conc. calibrate conc. is shown as explained in the following
tables.
Press
↓
or
↑
until the submenu move sensor
move sensor move sensor
move sensor is highlighted.
Press >>>> to enter the chosen menu.
Press
↓
or
↑
to move the sensor in the desired position.
For calibrate zero - Put the sensor in a bucket with deaerated clean water. Cover the bucket
with a cloth e.g. in order to protect the sensor from sunlight.
For calibrate conc. - Move the sensor into sludge layer to which the sensor shall be calibrated
on.
Press
^ ^ ^ ^
to get back in the submenu.