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4.3.7.4. Stability

This test takes absorbance readings during 30 minute with the lter wheel in xed position. The technician

can choose the rotor well on which he wishes to take the readings and ll it with the liquid he desires. He can

choose which wavelength he wishes to use. The test can also be performed with the lter covered. The test can

be cancelled at any time. When the readings end, the screen graphically displays the count numbers obtained

and the absorbances with regard to the corresponding base lines. The program also shows the averages and/

or standard deviations of the count numbers and the absorbances.

4.3.7.5. Repeatability moving lter wheel

This test takes absorbance readings during 10 minute moving the lter wheel randomly. The technician can

choose the rotor well on which he wishes to take the readings and ll it with the liquid he desires. The test can

be cancelled at any time. When the readings end, the screen graphically displays the count numbers obtained

and the absorbances for each lter with regard to the corresponding base lines. The program also shows the

averages and/or standard deviations of the count numbers and the absorbances for each lter.

biosystems A15 User Manual

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