Teledyne T200 User Manual page 11

Subsystem Check for Troubleshooting .............................................................................. 151
AC Main Power .................................................................................................... 152
DC Power Supply ................................................................................................ 152
I C Bus ................................................................................................................. 153
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LCD/Display Module ............................................................................................ 153
Relay PCA ........................................................................................................... 154
Motherboard ........................................................................................................ 154
Pressure / Flow Sensor Assembly ...................................................................... 156
CPU ..................................................................................................................... 157
RS-232 Communications ..................................................................................... 158
NO
Photomultiplier Tube (PMT) Sensor Module ..................................................... 161
PMT Preamplifier Board .................................................................................... 161
High Voltage Power Supply (HVPS) ................................................................. 162
PMT Temperature Control PCA ........................................................................ 163
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Internal Span Gas Generator and Valve Options .............................................. 164
Temperature Sensor .......................................................................................... 164
Service Procedures .......................................................................................................... 165
Disk-On-Module Replacement Procedure ......................................................... 166
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Sample and Ozone Dryer Replacement ............................................................ 167
PMT Sensor Hardware Calibration .................................................................... 168
Replacing the PMT, HVPS or TEC .................................................................... 170
Removing / Replacing the Relay PCA from the Instrument .............................. 173
Frequently Asked Questions ......................................................................................................... 174
Technical Assistance .................................................................................................................... 175
6. PRINCIPLES OF OPERATION ............................................................................................................ 176
Measurement Principle ................................................................................................................. 176
Chemiluminescence Creation in the Reaction Cell ............................................................ 176
Chemiluminescence Detection in the Reaction Cell .......................................................... 178
The Photo Multiplier Tube (PMT) ........................................................................ 178
Optical Filter......................................................................................................... 178
NO and NO
X
Auto Zero ........................................................................................................................... 180
Measurement Interferences ............................................................................................... 181
Direct Interference ............................................................................................... 182
Third Body Quenching ......................................................................................... 183
Light Leaks .......................................................................................................... 183
Reaction Cell Temperature Control ..................................................................... 183
Pneumatic Operation .................................................................................................................... 184
Sample Gas Flow ............................................................................................................... 184
Vacuum Manifold ................................................................................................. 185
Sample Gas Flow Valves and Routing ................................................................ 186
Flow Rate Control - Critical Flow Orifices .......................................................................... 186
Critical Flow Orifice .............................................................................................. 187
Locations and Descriptions of Critical Flow Orifices ........................................... 187
Ozone Gas Generation and Air Flow ................................................................................. 189
The O
Ozone Generator Dry Air Supply ......................................................................... 190
Ozone Supply Air Filter ........................................................................................ 192
Ozone Destruct .................................................................................................... 192
Pneumatic Sensors ............................................................................................................ 193
Sample Pressure Sensor ..................................................................................... 193
083730200A DCN7962
à NO Converter ........................................................................................ 159
2
Generator ..................................................................................................... 163
3
Generator Replacement ............................................................................... 167
3
Determination .............................................................................................. 179
2
Generator ................................................................................................ 190
3
Teledyne API T200 NO/NO /NO Analyzer with NumaView™ Software
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