Chapter 6 Maintenance
Figure 6-19 Self-test screen
The available self-test items are divided into four groups, the Tubing, Machine,
Valve and Circuit, as shown on the left of the screen. You can switch among
the groups by pressing [F1] and once a group is selected, the included test
items, together with their test results (if available), will be displayed on the right
of the screen. You may press [PRINT] to print out the displayed results. Follow
the instructions given below to conduct every test and if you want to acquire
help information, press [HELP].
6.4.1 Testing Tubing
At the self-test screen, press [F1] to select the Tubing group, as Figure 6-19
shows. The following test items will be displayed on the right of the screen:
Count Time
It measures the duration of a WBC and RBC count, namely how many seconds
it takes for the aspirated fluid flows from the first sensor to the second.
Aperture(v)
It measures the voltage (v) over the aperture.
Vacuum
It checks whether the vacuum system functions normally.
Pressure
It checks whether the system flushes the aperture at a normal pressure.
BC-2800 Auto Hematology Analyzer (V1.0) 6-19
To Next Page
Loading...
