Xylem photoLab 6100 VIS - Manual (Page 120)

Operation photoLab
®
6100 VIS
120 ba75847e01 08/2009
4.14 Analytical quality assurance (AQA)
4.14.1 General information
The target of the analytical quality assurance (AQA) is to secure correct and
precise measurement results.
Note
Settings for AQA checks are only available for users of the user group,
administrator.
Every registered user can carry out the AQA check (see also section 4.15.1).
Analytical quality assurance (AQA) can be carried out in two steps
independent of each other:
z AQA1: Monitoring of the photometer
z AQA2: Monitoring of the total system.
It comprises the photometer, the used test, the accessories and the user's
way of working.
The monitoring includes a check procedure that has to be successfully
repeated by the user within a certain period (AQA interval).
Note
The AQA monitoring is not active in the delivery condition.
AQA in measured
value
documentation
All values that are measured after a passed check and within the AQA
interval are given the addition Protocol ID in the measured value
documentation. This addition is used to identify the relevant AQA inspection
record.