Mindray BS-120 - Page 84

4 Units Description
4-29
4.6.2.2 Forward Optics Assembly
The forward optics assembly is composed of a pre-amp housing assembly, an optics seat,
lenses, and a retaining nut. The main function is to converge the light beam passing through
the filter at the reaction cuvette, and then to converge the light beam passing through the
cuvette at the photodiode via the lens, and finally to perform the colormetric measurement.
Figure 4-33 Forward Optics Assembly
4.6.2.3 AD Housing Assembly
The AD housing assembly is composed of an AD housing, a shielding box and an AD
conversion board. The founction of the AD housing assembly is to support and shield the AD
conversion board.
Figure 4-34 AD Housing Assembly