13. Blood/Saline & Air Detectors
Testing the Air Detector is done using sections of the venous blood
tubing used by the clinic. This tubing must be within the
specifications listed in Section 27.4.4.
The voltage test verifies that the sensitivity of the Air Detector is
adequate when using a specific blood line. This test should be
performed every time the clinic changes the type of the blood line
used, and also during installation, annual preventive maintenance,
and Air Detector and SRAM replacement. It may be necessary to
add an attenuator to prevent the saturation of the Air Detector.
Refer to Section 19.10.1 for a detailed description of this test.
The Bubble Test is optional. It visually verifies the detection of a
bubble size as specified in Section 27.4.2. Refer to Section
19.10.2 for a detailed description of this optional test.
157-1278-920 Rev A 13-7
April 2004
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