16 Calibration by the user
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16.3 Calibration using reference device
Incorrect settings in the parameters may result in the output of
incorrect measured values and switching points. This may result in
accidental process influence.
Please make sure that only authorised and trained personnel
perform changes to the calibration.
The sensor is parameterised using the function keys on
the display. The operating steps can be found in chapter
6.1.
If you want to adapt the STS sensor to a reference device during
an ongoing process, please calibrate the sensor as follows using a
reference device:
8. Please check that the sensor is set to the required measuring
principle (absorption / opacity) (see chapter 5.1)
9. Reset the calibration to the factory calibration (rst, see
chapter 6.4) and save the reset by selecting SAVE = Yes.
10. Prepare a table in accordance with the following sample,
shown for 4 different reference measurements here.
Target value
measured value of the
reference device
Actual value
measured value of the STS
sensor
In order to adapt the STS sensor to a reference device, any
samples are used for calibration instead of ready-to-use reference
solutions. These samples are measured by means of a reference
device. The respective result corresponds to the target value.
The measured values the STS sensor displays in the respective
samples correspond to the actual values.
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