Siemens Rapidlab 1200 Operator's Manual page 183

Rapidlab 1200 Operator's Guide: Maintenance
4. Add fill solution:
For these sensors...
pH
+
Na , K
CAUTION:
easily damaged.
5. Install the internal reference electrode into the internal electrode compartment
and screw the electrode into place.
6. Clean and inspect the sensor:
a. Tap the front face of the sensor with your knuckle to remove any bubbles.
b. Wipe any excess fill solution from the exterior of the sensor using a
c. Verify that the O-ring is in place on the left side of the sensor.
7. Reinstall the sensor.
Refer to Installing the Sensor‚ page 5-31.
8. Verify sensor performance.
Refer to Verifying Sensor Performance‚ page 5-31.
Add...
+
K , Cl¯, and Ca
+ ++
space (1 mm)at the top
, Cl¯, and Ca
Do not touch the internal electrode wire. The wire is fragile and is
lint-free tissue.
Replace the O-ring if it is worn or damaged.
++
sensors almost full but with a small
5-41
02087462 Rev. V