Two-Point Calibration - JUMO AQUIS touch P Installation Instructions Manual

13 Calibrating Redox sensors
13.3.2

Two-point Calibration

32
Step Action
1 Ensure that
• the calibration default settings are correct
• "Percent" is set as the Redox unit in the configuration of the Re-
dox measuring input.
v Chapter 13.2.2 "Calibration default settings for Redox sensors",
Page 30.
v Chapter 9.5.3 "pH/Redox/NH3 analysis inputs", Page 102
2 Start the two-point calibration.
Device Menu r Calibration r Select Analysis Input for pH/Redox/
r Two-point calibration
NH
3
3 Enter the concentration value of the first reference solution in per-
cent. Confirm by pressing "OK".
Tap button to enter
field
4 Clean the Redox electrode and immerse it in the first test solution.
Wait until the measuring value displayed stabilizes and then con-
firm the result of the measurement by pressing "OK".
5 As in step 3, enter the concentration value of the second solution
in percent. Confirm by pressing "OK".
6 Clean the Redox electrode and immerse it in the second
test solution. Wait until the measuring value displayed stabilizes
and then confirm the result of the measurement by pressing "OK".
7 A protocol summarizing the calibration values determined then ap-
pears. Acknowledge the protocol by pressing "OK".
Failed calibrations are canceled at this point and discarded.
8 Press "Yes" to accept the calibration values determined and enter
the calibration in the calibration logbook.
Press "No" to discard the results.