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4.3.7.4. Stability
This test takes absorbance readings during 30 minute with the filter wheel in fixed position. The technician can
choose the rotor well on which he wishes to take the readings and fill it with the liquid he desires. He can choose
which wavelength he wishes to use. The test can also be performed with the filter 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 filter wheel
This test takes absorbance readings during 10 minute moving the filter wheel randomly. The technician can
choose the rotor well on which he wishes to take the readings and fill 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 filter 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 filter.
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