Percent Oxygen Analyzer
Maintenance 5
5-3
Teledyne Analytical Instruments
2
Amplifier output doesn't match test input
3
Both Failed
5.4
Major Internal Components
The Paramagnetic cell is accessed by unlatching and swinging open the
front panel, as described earlier. Other internal components are accessed by
removing the rear panel and sliding out the entire chassis. See Figure 5-4,
below. The gas piping is illustrated in Figure 2-4, and the major electronic
components locations are shown in Figure 2-5, in chapter 2.
WARNINGS:See warnings on the title page of this manual.
The 3000MA contains the following major components:
•
Analysis Section
Paramagnetic Sensor
Sample System
•
2 x Power Supplies
•
Microprocessor
•
Displays
5 digit LED meter
2 line, 20 character, alphanumeric, VFD display
•
RS-232 Communications Port.
See the drawings in the Drawings section in back of this manual
for details.
Figure 5-3: Rear-Panel Screws
To detach the rear panel, remove only the eight screws marked with an X.
X
X
X
X
