Bayer HealthCare Rapidlab 800 User Manual

Page 218

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3Ć48

Rapidlab 800 Operator's Manual

Figure 3Ć30.āăChecking the Reference Sensor for Bubbles

OĆring

Reservoir Cap

Electrode

Compartment

Vent Hole

KCl Reservoir

OĆring

Check here for bubbles.

Check here for bubbles.

6.

Tap the front face of the sensor with your knuckle to release any bubbles.

7.

Clean any salt deposits on the reference sensor with a lint-free swab moistened
with deionized water and dry it thoroughly.

8.

Ensure that the O-rings are in place on both sides of the sensor.

9.

Clean the O-ring area on the spring-loaded latch with a lint-free swab
moistened with reagent water.

CAUTION:

Do not remove or return the sensors to the measurement module

without first discharging static buildup. Touch the inner surface of the module
frame to discharge static buildup.

10. Reinstall the sensor:

a. Gently align the top of the reference sensor with the sensor contact.

b. Snap the sensor down into place.

c. Press the tab on the spring-loaded latch to release the latch.

11. Close the measurement module door.

12. Press

Continue

.

A wash sequence starts. When the wash sequence finishes, a message box
appears prompting you to perform a two-point calibration.

13. Allow the system to warm for up at least 15 minutes.

14. When the temperature is stable, press

Yes

to perform a two-point calibration.

After the sensor temperature equilibrates, remove the sensor and inspect for
bubbles. As the temperature of the sensor rises to 37

°

C, gas is driven from the

solution, causing bubbles. Remove any bubbles present.

!

Procedural

Notes

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