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Rapidlab 1200 Operator's Guide: Maintenance
c. Remove the cylinder, so the needle remains attached to the vial.
5. Rinse the sensor.
a. Insert the needle, attached to the vial, into the sensor.
b. Gently squeeze the fill solution vial until the sensor is full of solution.
c. Eject the fill solution so the sensor is empty.
6. Fill the sensor.
a. Squeeze the fill solution vial until a drop is emitted or remains at the tip of
b. Insert the needle, attached to the fill solution vial, until the needle is near
For these sensors...
pH
+
Na
, K
c. Slowly raise the needle as you gently squeeze the fill solution vial, until
CAUTION:
easily damaged.
7. Install the internal reference electrode into the internal electrode compartment
and screw the electrode into place.
8. Inspect the sensor for bubbles.
As the temperature of the sensor rises to 37°C, gas driven from the solution
causes bubbles.
9. 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
10. Reinstall the sensor.
Refer to Installing the Sensor‚ page 5-31.
11. Verify sensor performance.
Refer to Verifying Sensor Performance‚ page 5-31.
Dispose of the fill solution according to your institution's protocol.
the needle.
This helps minimize the occurrence of bubbles once the needle is inserted
in the sensor.
the bottom of the sensor.
Add...
until sensor is almost full but with a small space (1 mm) at
the top
+
++
, Cl¯, and Ca
the sensor is nearly full.
Do not touch the internal electrode wire. The wire is fragile and is
If bubbles reamain in the sensor, see Step 3 of Verifying Sensor
Performance‚ page 5-31.
lint-free tissue.
5-33
02087462 Rev. V
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Table of Contents
Troubleshooting
