15 Calibrating ammonia sensors
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15.3 Ammonia calibration routines
15.3.1 Zero-point calibration
NOTE!
You must be logged in with corresponding user rights to perform calibrations.
v Chapter 8.2.1 "Log-on/Log-out", Page 89
Step Action
1 Start the Zero-point calibration.
Device menu
r Calibration r Select Analysis Input for pH/Redox/
NH
3
r Zero-Point Calibration
2 Clean the ammonia electrode and immerse it in the ammonia-free
test solution. Wait until the measuring value displayed stabilizes
and then confirm the result of the measurement by pressing "OK".
3 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.
4 Press "Yes" to accept the Calibration values determined and enter
the Calibration in the Calibration logbook.
Press "No" to discard the results.
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