Swan Analytical Instruments AMI Codes-II O3 Operator's Manual page 47

AMI Codes-II O3
Maintenance
Reference
values
Verification
procedure
A-96.250.881 / 070622
Prior to performing the first verification and after each recertification,
the reference values for the filters "low" and "high" need to be set in
menu 4.1.1 <Operation>\<Sensors>\<Verification kits>. The refer-
ence values are specified in the enclosed calibration certificate.
Before each use, check the expiration date on the calibration certifi-
cate. If the expiration date has expired, send the verification kit to
Swan for recertification.
Carefully inspect both verification filters for visible contaminations
(dust or stains) as these can prevent a successful verification. If nec-
essary, apply the cleaning procedure described in
To start the verification, follow the dialog in menu 3.2.1
<Maintenance>/ <Service> / <Verification>.
Note: Start any time, if a measuring cycle is in progress wait for
next prompt.
1 Select the verification filter "low". Press [Enter] to continue.
2 Stop sample flow by closing the regulating valve. Wait for next
prompt.
 The constant head is drained and an automatic zero
measurement is performed.
3 Rinse the verification filter "low" with deionized water to remove
any dust particles.
4 Open the photometer and insert the verification filter "low". Press
[Enter] to continue.
A
B
C
Cleaning, p.
A Verification filter
B
Screw plug
C Photometer
48.
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