Appendix 1. Measuring Principle Diagram - Fuji Electric ZPA Service Manual

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APPENDIX 1. MEASURING PRINCIPLE DIAGRAM

Principle Diagram of Infrared Type Measurement (NO, SO
Infrared-ray
light source
Motor
Principle Diagram of Magnetic Force Type Measurement (O
Permanent
magnet
Gas inlet
Magnetic field
Gas outlet
Light emitting
diode
Principle Diagram of Galvanic cell Type Measurement (O
TN5A1191-E
Gas inlet
Chopper
Indication
Output
Mirror
Permanent
magnet
Photodiode
Indication
Output
Resistor
Negative electrode
Positive electrode
, CO
2
Front expansion chamber
Gas outlet
Measurement cell
Preamplifier
Signal processing
block
)
2
Measurement
cell
Signal processing
and calculation block
)
2
Thermistor
Electrolyte
Diaphragm
, CO, CH )
2 4
Rear expansion
chamber
Detector
Mass flow
sensor
Preamplifier
A-1