Selecting The Calibration Process For Ph - ProMinent DULCOMETER Assembly And Operating Instructions Manual

CAL pH
Buffer 1:
Buffer 2:
Calibr.param. for 25 °C
Slope
% Slope
Asymmetry
Zero point
Accept with <CAL>
Fig. 31: Display of the calibration result
CAL pH
Sensor quality
Asymmetry in mV
-60 -30
good
acceptable
good
55 56 57 58
Slope in mV/pH
Fig. 32: Displayed after the
been pressed
Selecting the Calibration
9.1.1
Process for pH
To calibrate the controller there are three
available calibration processes:
2-point
n
Sample (1-point)
n
Data input
n
0 30 60
59 60 61 62
key has
Selecting the calibration process
1. Continuous display ➨
ð The Calibration menu is dis‐
played, you may need to select
[Channel 1] or [Channel 2] ,
depending on the measuring
channel on which the pH meas‐
urement is performed.
A1019
2.
Press
CAL pH
Calibration process
Buffer detection
Buffer manufacturer
Buffer value 1
Buffer value 2
Buffer temperature
A1481
Fig. 33: Selecting the calibration process
ð The menu for selecting the cali‐
bration process appears.
3. Use the arrow keys to select the
required menu item and press
ð The input window appears and
you can make the necessary
settings for your process
4. Use the arrow keys to select the
calibration process and press
5. Continue with
ð You can now start your chosen
calibration process.
Calibration
2 point
requirement
ProMinent
pH 7
pH 4
Off
A1025
65