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158
ADVIA 2400 Operator’s Guide
7.
When conditioning is complete, remove the electrode, wash it with deionized water,
and dry it thoroughly.
WARNING
To prevent infection from contacting serum directly, wear suitable protective
gloves when you remove the electrode from the solution.
NOTE:
High-concentrated salt water is used as a preservation solution to maintain
electrode performance. When the electrode package is opened, wash the electrode
with sufficient water and wipe well before use. Small amounts of salt on the electrode
may cause rust on the electrode connector.
NOTE:
To store the reference electrode, refer to Storing the Reference Electrode.
8.
Replace the electrodes on the instrument with the newly conditioned ones.
9.
Calibration is performed as part of the electrode replacement.
10.
If the calibration fails, repeat the calibration.
Replacing ISE electrodes
Materials required:
Electrodes
•
Cl (REF 07097504, PN 073-0049-01)
•
K (REF 06135445, PN 073-0050-01)
•
Na (REF 03092699, PN 073-0051-01)
•
Reference (REF 00311764, PN 073-0653-01
•
O-rings, 3 (REF 09955206, PN 073-0071-01)
•
Philips screwdriver
Time: 5 minutes
Analyzer mode: Manual operation
BIOHAZARD
Wear personal protective
equipment.
Use universal precautions.
Replace the Na, K, and the Cl electrodes if the slope is incorrect or calibration
continuously fails.
The acceptable ISE slope is between 45.0 and
63.0. Slopes outside of this range are flagged
as shown in the table. A flagged slope fails
the calibration. The slope limits are defined at
the ISE Parameter Settings window.
Mark
ISE Slope Range
H >
65.0
h
63.1 to 65.0
l
38.0 - 44.9
L <
38.0
Replace the reference electrode when the reference electrode value is <500.
Checking the reference electrode value
1.
At the Menu Panel, select
Maint
., then select
ISE Monitor
.
2.
At the ISE Monitor window, at the bottom of the Calib.monitor: Serum area, check
the value of the Ref. electrode field.
3.
If the Ref. electrode value is
less than 500.0
, replace the reference electrode.
Содержание ADVIA 2400
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