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AMI Codes-II O3
Instrument Setup
4.6.
Process DIS
4.7.
36
Calibration
See
Process Calibration of DIS, p. 50
A process calibration is only possible with a process value higher
than 10 ppb ozone. Please note that due to the low stability of the
ozone, a process calibration with an elevated concentration is pre-
ferred.
Use CHEMATEST (or equivalent photometer) to determine the sam-
ple disinfectant concentration. Take the sample directly from the flow
cell. Determine the sample disinfectant value by 3 manual DPD mea-
surements. Calculate the average value. Compare this value to the
value indicated by the AMI.
Keep in mind the accuracy of your manual measurement. Only cor-
rect the instrument if the difference is significant.
Perform process DIS if necessary. See chapter
details.
Commissioning
For pharmaceutical applications please follow the IQ/OQ/PQ proce-
dures in the optional validation package.
Calibration, p. 50
for
A-96.250.881 / 070622
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