Teledyne 200A User Manual Page 201
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Teledyne API Model 200A NO
X
Analyzer Instruction Manual, 02246, Rev. G, DCN 5247
9.3.6 Ozone Generator
CAUTION - DANGER
Lethal voltages present inside Ozone Generator - DO NOT
defeat electrical interlock. Turn off instrument before
servicing. Unplug Generator before disassembling.
The ozone generator subsystem consists of a permeation drier, flowmeter, power supply -
generator module, and power switch. The location of the components is illustrated in Table 9-
9-18. Ozone is generated by drying ambient air, passing the air between two electrodes that have
a large oscillating electric field generated by a high voltage transf
ormer.
Common faults in the ozone generator are:
1.
A leak or some other failure in the drier will let ambient air into the generator. There is
enough water vapor in room air to cause the generator to make nitric acid aerosol. It is very
corrosive and causes the generator cartridge to short out due to salt build-up. This reduces
the ozone concentration generated which can cause the analyzer to be non-linear due to
insufficient ozone concentration.
2.
Blown fuse. The Ozone generator fuse is located on the upper end of the generator case.
3.
Contaminated ozone generator cartridge. Dis-assemble and clean. Salts and oxgenated
hydrocarbons can be removed by rinsing with 10% nitric acid at 50
C.
4.
Shorts, open circuits, arcing inside the case. Because of the very high voltages, metallic
components inside the ozone generator case can malfunction.
A.
Disconnect power.
B.
Remove ozone generator cover and inspect the wiring for evidence of arcing and open
circuits. Typically arcing due to high voltage has a dusty - burnt look. Look for these
areas inside the case and on the wiring that comes near the case.
9-54
PRINTED DOCUMENTS ARE UNCONTROLLED
- TELEDYNE 1
- HIGHLIGHTS 2
- MODEL 200A 4
- NITROGEN OXIDE ANALYZER 4
- SAFETY MESSAGES 6
- TABLE OF CONTENTS 8
- LIST OF FIGURES 12
- LIST OF TABLES 13
- 1 HOW TO USE THIS MANUAL 16
- 2 GETTING STARTED 18
- 2.3 Initial Operation 23
- WARRANTY 32
- 3.3 Warranty 34
- TERMS AND CONDITIONS 35
- 4 THE M200A NO 36
- ANALYZER 36
- 4.2 Operation Summary 38
- 4.2.4 V/F Board 39
- 4.2.5 Front Panel 39
- 4.2.6 Power Supply Module 41
- 4.2.8 Ozone Generator 44
- 4.2.9 Molydbenum Converter 44
- 5 SOFTWARE FEATURES 46
- 5.1.1 Sample Menu 49
- 5.1.2 Set-Up Menu 50
- 5.2 Sample Mode 53
- 5.3 Set-Up Mode 59
- 5.3.4 Range Menu 61
- 5.3.5 Password Enable 65
- 5.3.6 Time of Day Clock 65
- 5.3.7 Diagnostic Mode 65
- 5.3.8 Communications Menu 65
- 5.3.9 Variables Menu (VARS) 66
- 5.4 Status Output 67
- 5.5 RS-232 Interface 68
- 5.5.2 Command Summary 73
- 5.5.8 Internal Variables 84
- 6.1 Rack Mount Options 86
- 6.2 Zero/Span Valves 86
- Mode No. Mode Name Action 88
- 6.5 Permeation Tube 90
- Zero/Span Valves Option 99
- NO and NO 101
- 7.6 Calibrate on NO 102
- Permeation Tube 102
- Closure 104
- 7.8.3 Data Recording Device 108
- 223 ONOONO 109
- = analyzer flow demand (cm 110
- /min (110/100) = 550 cm 111
- = 500 cm 111
- 7.8.7 Calibration Frequency 120
- 7.8.10 ZERO and SPAN Checks 123
- 7.10 Calibration Quality 128
- 7.11 References 130
- 8 MAINTENANCE 132
- Teledyne API Model 200A NO 142
- 8.9 Leak Check Procedure 146
- (table continued) 151
- 9.2 Performance Problems 173
- 9.2.1 AC Power Check 174
- 9.2.2 Flow Check 174
- 9.2.4 Negative Output 176
- 9.2.5 Excessive Noise 176
- 9.2.6 Unstable Span 177
- 9.2.7 Unstable Zero 178
- 9.2.8 Inability to Span 178
- 9.2.9 Inability to Zero 179
- 9.2.10 Non-Linear Response 180
- 9.2.11 Slow Response 181
- 9.3.2 RS-232 Communications 185
- *Required settings 191
- 9.3.4 Status/Temp Board 194
- 9.3.5 Power Supply Module 196
- C. The 200
- 9.3.6 Ozone Generator 201
- 9.3.7 Flow/Pressure Sensor 204
- 9.3.8 NO 209
- Sensor Module 209
- 9.3.10 Pneumatic System 214
- 10 M200A SPARE PARTS LIST 216
- Part No. Description 217
- Includes: Qty 220
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