Component Structure And Functions; Photometer Assembly - Mindray BA-88A Service Manual

4 After the test is completed, run other tests if necessary. Washing should be
inserted between two tests to minimize the carryover, when the
concentrations of the two tests are too different or the two tests are different.
5 After all the tests are completed, shutdown the analyzer. Cut off the
instrument power after washing is completed.
3.2

Component Structure and Functions

3.2.1 Photometer Assembly

3.2.1.1 Introduction
Photometer assembly is the core of BA-88A, integrating optical system, temperature
control system and photoelectrical collection system. The photometer assembly is the
key for reliability of the system. Photometer assembly includes lamp assembly, lamp
base assembly, flow cell assembly and other components, which are used to position
and install the optical components, thermal components and analogue board.
3.2.1.2 Components and Structure
The basic structure of the photometer assembly is shown as figure 3-2.
Figure 3-2 Photometer assembly structure
3.2.1.3 Assembly
Assembly
Photometer assembly is fixed on the instrument base by 3 M4 socket head screws.
3-2
and Disassembly
3 System Description
of the Photometer