14 Calibrating ammonia sensors
14.3
Ammonia calibration routines
14.3.1
Zero-point calibration
34
NOTE!
You must be logged in with corresponding user rights to perform calibrations.
v Chapter 8.2.1 "Log-on/Log-out", Page 74
Step
Action
1
Start the Zero-point calibration.
Device menu r Calibration r Select Analysis Input for pH/Redox/
r Zero-Point Calibration
NH
3
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.