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Instruction Manual
748214-V
June 2009
Rosemount Analytical Inc. A Division of Emerson Process Management Theory 4-5
Model 951C
Figure 4-1. Analyzer Block Diagram
Display
Range Switch
Span
Adjustments
R101, R102
Voltage Output
Control
Voltage-to-Current
Converter
High Voltage
Supply
Zero Control
PMT
Electrometer
Gain
Amplifier
Span
Amplifier
Photomultiplier
Tube
Potentiometric
Output
Isolated
Current
Output
Power Supply Board
Signal/Control Board