Endress+Hauser ASP Station 2000 peristaltic, Руководство по эксплуатации

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Operation ASP station 2000 peristaltic
90 Hauser
Fig. 26: Menu structure for conductivity calibration
Calibrating specific conductivity:
1. Immerse conductivity sensor in calibration solution and wait for temperature equalization.
2. Reset calibration to factory setting (if necessary).
3. Enter conductivity value of current calibration solution.
4. Confirm calibration.
5. Compare current measured value with the conductivity value of the calibration solution.
The procedure for calibrating the conductivity sensor using the conductivity in the original form or
using the salinity measured value is the same.
Calibrating pH value measurement
For calibrating the pH measurement, you can choose from the following processes: one-point
calibration, two-point calibration and three-point calibration.
Fig. 27: Menu structure for pH measurement calibration
Procedure for one-point calibration:
1. Immerse pH sensor in buffer solution and wait for temperature equalization.
2. Reset calibration to factory setting (if necessary).
3. Enter pH value of the current buffer solution.
4. Confirm calibration.
5. Compare current measured value with the pH value of the buffer solution.
6. Check the pH measurement.
The procedure for two-point (pH #2) or three-point calibration (pH #3) is the same as for one-point
calibration. The individual measurements are taken one after another for different buffer solutions.
!
Note!
To achieve exact measured values, a "two-point calibration" at least is required.
Checking the pH measurement (sensor check system)