ProfiLux 4 Programming Guide
EN 2017-02-06 51
The calibration procedure is different for each sensor type.
The differences between the individual sensors are discussed in the following chapters.
5.9.1 General
Calibration is always necessary with new sensors. Also, the calibration should be repeated
from time to time (every 2-4 weeks) because of the aging process of the sensor. Please
observe the instructions of the sensor manufacturer. Before immersing the sensor in a
calibration solution, the sensor must be carefully dried with a dry, lint-free paper towel.
For all subsequent calibrations:
5.9.2 Calibration Tolerance
At the beginning of a calibration, you are requested to enter the Calibration tolerance for the
respective sensor (between 1 and 3), which is to be taken as the basis for the calibration.
In principle, calibration procedures should be carried out with the smallest possible
calibration tolerance, which is usually 1.
With old sensors, the measured value may not be sufficiently stabilized and calibration is not
possible. In some cases, it is possible to calibrate this sensor by increasing the calibration
tolerance, but this has a negative effect on the measuring accuracy.
In some sensors, you have the option of changing the values to be calibrated.
Please refer to the following menu item Measurement range.
DANGER
Please observe the information on the display.
When prompted (RETURN arrow appears in the display), press the
RETURN key after each step
During calibration, wait for the signal sound before proceeding!
Take the time to calibrate
Check the calibration as explained below ->Control of sensor
calibration
Do not use the sensor until the correct function and calibration are
free of doubt!
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