Haemonetics PCS 2, Руководство пользователя

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9. Close the centrifuge cover to allow the cover’s bowl collars to lock
around the optic fixture’s square alignment tabs.
10.Make a note of the actual digital or analog voltage optic gray card
reading.
11.Use the Correction Factor printed on the back of the gray card and the
formula below to calculate the optic gain being measured. Ensure the
calculated optic reading with Correction Factor is between 2295 to
3278 digital units or +2.8 to 4.0 VDC.
Use the following formula to determine the optic gain with Correction
Factor:
Optic Digital Gain with Correction Factor = Actual Digital Gray Card Reading ÷
Correction Factor
or
Optic Voltage Gain with Correction Factor = Actual Optic Gray Card Reading
(VDC) ÷ Correction Factor
Example:
The actual gray card reading is 2397 digital units or 2.926 VDC
The Correction Factor on the back of the gray card = 0.829
Optic Digital Gain with Correction Factor = 2397 ÷ 0.829 = 2891 digital units
or
Optic Voltage Gain with Correction Factor = 2.926 VDC ÷ 0.829 = 3.53 VDC
12.If calibration is required, refer to the Bowl Optics Signal Calibration in
Chapter 4.
Note: The bowl optics signal test (operational) range described above
differs from the bowl optics signal calibration range in the
Calibration Chapter. The optics calibration range is utilized to
adjust the optics gain if it is found to be outside the acceptable optic
calibration test range.
When documenting the optic signal value, ensure the voltage
recorded is the calculated optic signal value, not the actual gray
card reading. In the above example in step 11, the optic signal value
recorded would be 2891 digital or +3.53 VDC.
Chapter 3, Basic Care Preventive Maintenance 3-9