Teledyne API T703/T703U Calibrator Operation Manual Table of Contents
xiii
9.2.4.4. Analog Outputs............................................................................................................................ 199
9.2.4.5. External Digital I/O....................................................................................................................... 200
9.2.4.6. I2C Data Bus................................................................................................................................ 200
9.2.4.7. Power-up Circuit .......................................................................................................................... 200
9.2.5. Power Supply and Circuit Breaker...................................................................................................... 200
9.2.6. AC Power Configuration ..................................................................................................................... 201
9.2.6.1. AC Configuration – Internal Pump (JP7) ..................................................................................... 202
9.3. Front Panel Touchscreen/Display Interface.............................................................................................. 203
9.3.1.1. Front Panel Interface PCA .......................................................................................................... 204
9.4. Software Operation ................................................................................................................................... 204
9.5. O3 Generator Operation........................................................................................................................... 205
9.5.1. Principle of Photolytic O3 Generation ................................................................................................. 205
9.5.2. Generator Pneumatic Operation......................................................................................................... 207
9.5.3. O3 Generator Electronic Operation ..................................................................................................... 207
9.5.3.1. O3 Generator Temperature Control............................................................................................. 209
9.6. Photometer Operation............................................................................................................................... 210
9.6.1. Measurement Method......................................................................................................................... 210
9.6.1.1. Calculating O3 Concentration ...................................................................................................... 210
9.6.1.2. The Measurement / Reference Cycle.......................................................................................... 211
9.6.1.3. The Absorption Path.................................................................................................................... 214
9.6.1.4. Interferent Rejection .................................................................................................................... 215
9.6.2. Photometer Layout.............................................................................................................................. 216
9.6.3. Photometer Pneumatic Operation ...................................................................................................... 216
9.6.4. Photometer Electronic Operation........................................................................................................ 217
9.6.4.1. O3 Photometer Temperature Control .......................................................................................... 218
9.6.4.2. Pneumatic Sensors for the O3 Photometer ................................................................................. 218
10. A PRIMER ON ELECTRO-STATIC DISCHARGE......................................................... 219
10.1. How Static Charges are Created............................................................................................................ 219
10.2. How Electro-Static Charges Cause Damage ......................................................................................... 220
10.3. Common Myths About ESD Damage ..................................................................................................... 221
10.4. Basic Principles of Static Control............................................................................................................ 222
10.4.1. General Rules................................................................................................................................... 222
10.4.2. Basic anti-ESD Procedures for Instrument Repair and Maintenance .............................................. 224
10.4.2.1. Working at the Instrument Rack ................................................................................................ 224
10.4.2.2. Working at an Anti-ESD Work Bench........................................................................................ 224
10.4.2.3. Transferring Components from Rack to Bench and Back......................................................... 225
10.4.2.4. Opening Shipments from Teledyne API .................................................................................... 225
10.4.2.5. Packing Components for Return to Teledyne API .................................................................... 226
07223C DCN6572