Siemens Rapidlab 1200 Operator's Manual page 177

Rapidlab 1200 Operator's Guide: Maintenance
2. Check the sensor for bubbles at the electrode tip and between the electrode
compartment and the KCl reservoir.
1
2
3
4
Figure 5-17
NOTE:
and AutomaticQC materials. A pink color that becomes very dark over a
12-hour period indicates a pending failure of the reference sensor. Replace the
reference sensor or the reference sensor cassette.
3. Tap the front face of the sensor with your knuckle to remove any bubbles.
4. Remove any salt deposits on the reference sensor using a lint-free swab
moistened with water.
5. Dry the sensor thoroughly.
6. Ensure that the O-rings are in place on both sides of the sensor.
7. Replace any O-ring that is worn or damaged.
8. Clean the O-ring area on the spring-loaded latch using a lint-free swab
moistened with water.
9. Reinstall the sensor.
Refer to Installing the Sensor‚ page 5-31.
10. Verify the sensor performance.
Refer to Verifying Sensor Performance‚ page 5-31.
KCl reservoir
Electrode compartment join to the KCl reservoir
Electrode tip
O-rings
KCl Reservoir
The fill solution can become slightly pink as a result of analyzing QC
5-35
02087462 Rev. V