7.1.1. Beer's Law ..............................................................................................................................................193
7.1.3. Gas Filter Correlation..............................................................................................................................194
7.2. Oxygen Sensor (OPT 65)...............................................................................................................................198
7.3. Pneumatic Operation......................................................................................................................................200
7.3.1. Sample Gas Flow ...................................................................................................................................200
7.3.2. Flow Rate Control ...................................................................................................................................201
7.3.4. Particulate Filter......................................................................................................................................202
7.3.5. Pneumatic Sensors.................................................................................................................................202
7.4. Electronic Operation.......................................................................................................................................204
7.4.1. Overview.................................................................................................................................................204
7.4.2. CPU ........................................................................................................................................................206
7.4.5. Relay Board ............................................................................................................................................212
7.4.6. Motherboard ...........................................................................................................................................215
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7.4.7. I
C Data Bus ...........................................................................................................................................217
7.5.1. LVDS Transmitter Board.........................................................................................................................219
7.6. Software Operation ........................................................................................................................................220
7.6.1. Adaptive Filter.........................................................................................................................................220
7.6.3. Measurement Algorithm..........................................................................................................................221
8.2. Gas Flow Problems ........................................................................................................................................235
8.3. Calibration Problems ......................................................................................................................................241
8.3.1. Miscalibrated...........................................................................................................................................241
8.4. Other Performance Problems.........................................................................................................................244
8.4.1. Temperature Problems ...........................................................................................................................244
8.4.2. Excessive Noise .....................................................................................................................................246
8.5. Subsystem Checkout .....................................................................................................................................247
8.5.1. AC Mains Configuration ..........................................................................................................................247
8.5.2. DC Power Supply ...................................................................................................................................247
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C Bus....................................................................................................................................................248
8.5.4. Touchscreen Interface ............................................................................................................................248
8.5.5. LCD Display Module ...............................................................................................................................249
8.5.6. Relay Board ............................................................................................................................................249
8.5.7. Sensor Assembly....................................................................................................................................249
8.5.8. Motherboard ...........................................................................................................................................252
8.5.9. CPU ........................................................................................................................................................254
8.5.10. RS-232 Communications ......................................................................................................................255
8.6. Repair Procedures .........................................................................................................................................256
07272B DCN6552
Teledyne API Model T360/T360M Operation Manual
..........................................................................................................198
2
Sensor...................................................................................................203
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