b
The light emitted from LED becomes monochromatic light of a certain wavelength after
passing through an optical fiber (Five different types of optical filters are provided, and the
optimum wavelength is selected for each test item). Monochromatic light is separated and
transmitted to the photometry section of each channel by ten optical fibers.
In each photometry section, the monochromatic light transmitted by the optical fibers is
irradiated on the reagent fields, which has a color reaction after sampling. Its reflected light
is read with 2 photodiodes, and the system calculates measurement results by end-point
assay (EPA) or reaction-rate assay (RRA).
SP-4430 ● 1-03
1-1
SP-4430
の概要
Chapter 1 INTRODUCTION
1-1-2
Measurement principles
channel 1
channel 2
channel 3
channel 4
channel 5
channel 6
channel 7
channel 8
channel 9
Photometry section
Reference
Optical filters
(5 types)
Optical
Fiber
Monochromatic light of
a certain wavelength
Light source
LED
Reagent field
Photodiode
Optical fiber
Содержание SPOTCHEM EZ SP-4430
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