Owner manual

2-7
Percent Oxygen Analyzer Operational Theory 2
Teledyne Analytical Instruments
Figure 2-6: Block Diagram of the Model 3000MA Electronics
Power
Supply
A to D
Converter
System
Failure
Alarm
Displays
Micro-
Processor
Auto
Range
0-1 V
D to A
Converter
0-1 V
Concentration
Range
Self Test
Signal
Sensor
24V Power
Supply
Sensor Amplifier