Teledyne 3020M - Explosion proof paramagnetic oxygen analyzer User Manual
Page 21
2-7
Percent Paramagnetic Oxygen Analyzer
Operational Theory 2
Teledyne Analytical Instruments
Figure 2-5: Block Diagram of the Model 3020M 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
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