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Teledyne API Model 401 O
3
Photometric Calibrator Instruction Manual, 01124, Rev. J2
5.2.1 D/A Output..............................................................................................................................5-2
6 HANDLING WARNINGS................................................................................ 6-1
7 RS-232 COMMUNICATIONS......................................................................... 7-1
7.1 DAS REPORTING.............................................................................................................................7-2
7.2
WARNINGS......................................................................................................................................7-3
7.3
STATUS/CONTROL...........................................................................................................................7-4
7.4
DIAGNOSTICS ..................................................................................................................................7-6
7.5 TEST MEASUREMENTS ....................................................................................................................7-7
7.6
VIEWING AND MODIFYING VARIABLES ..........................................................................................7-8
8 ADJUSTMENTS............................................................................................. 8-1
8.1
POWER SUPPLY BOARD ADJUSTMENT.............................................................................................8-1
8.1.1 Box Temperature Limits..........................................................................................................8-1
8.2
A/D - D/A CALIBRATION PROCEDURE ............................................................................................8-3
8.3
OUTPUT VOLTAGE RANGE CHANGES..............................................................................................8-4
8.4
FLOW READOUT ADJUSTMENT........................................................................................................8-4
8.5
DC POWER SUPPLY.........................................................................................................................8-6
8.6
CPU................................................................................................................................................8-6
8.7
STATUS LINES.................................................................................................................................8-7
8.8
UV LAMP POWER SUPPLY ADJUSTMENT ........................................................................................8-7
8.9
OZONE GENERATOR LAMP SETUP...................................................................................................8-8
8.10
OZONE GENERATOR CALIBRATION ...............................................................................................8-9
8.11
DARK CURRENT SIGNAL ADJUST PROCEDURE ..............................................................................8-9
8.12
BENCH FEEDBACK OPTION..........................................................................................................8-10
9 TROUBLESHOOTING ................................................................................... 9-1
9.1
OVERVIEW ......................................................................................................................................9-1
9.2
TROUBLESHOOTING FUNDAMENTAL CALIBRATOR OPERATION ......................................................9-1
9.2.1 Checking The Power Sub-Systems..........................................................................................9-2
9.2.2 Checking The CPU And Display.............................................................................................9-3
9.2.3 Checking The Keyboard..........................................................................................................9-3
9.3
TROUBLESHOOTING USING WARNING MESSAGES...........................................................................9-3
9.4
TROUBLESHOOTING USING TEST FUNCTION VALUES .....................................................................9-5
9.5
TROUBLESHOOTING DYNAMIC PROBLEMS ......................................................................................9-6
9.5.1 Noisy Or Unstable Readings At Zero .....................................................................................9-7
9.5.2 Noisy, Unstable, Or Non-Linear Span Readings....................................................................9-7
9.5.3 Slow Response To Changes In Concentration........................................................................9-7
9.5.4 Analog Outputs Do Not Agree With Front Panel Readings ...................................................9-8
9.5.5 Cannot Zero ............................................................................................................................9-8
9.5.6 Cannot Span............................................................................................................................9-8
9.6
TROUBLESHOOTING INDIVIDUAL SUB-ASSEMBLIES AND COMPONENTS.........................................9-9
9.6.1 Troubleshooting Flow Problems ............................................................................................9-9
9.6.2 Troubleshooting Temperature Problems..............................................................................9-10
9.6.3 Checking The V/F Card ........................................................................................................9-11
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