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Table of Contents M400E Ozone Analyzer Operator’s Manual
9. M400E CALIBRATION PROCEDURES........................................................................... 149
9.1. Before Calibration ..................................................................................................................................... 150
9.1.1. Required Equipment, Supplies, and Expendables ............................................................................. 150
9.1.2. Zero Air and Span Gas ....................................................................................................................... 150
9.2. Basic Manual Calibration Checks And Calibration of the M400E analyzer .............................................. 151
9.2.1. Setup for Basic Calibration Checks and Calibration of the M400E analyzer...................................... 151
9.2.2. Performing a Basic Manual Calibration Check................................................................................... 152
9.2.3. Performing a Basic Manual Calibration .............................................................................................. 153
9.2.3.1. Setting the expected O
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Span Gas concentration....................................................................... 153
9.2.3.2. Zero/Span Point Calibration Procedure....................................................................................... 154
9.2.4. Manual Calibration Checks and Calibrations Using AUTO RANGE or DUAL RANGE Modes.......... 155
9.3. Manual Calibration Check and Calibration with Valve Options Installed.................................................. 156
9.3.1. Setup for Calibration Checks and Calibration with Valve Options Installed. ...................................... 156
Manual Calibration Checks with Valve Options Installed ............................................................................. 158
9.3.2. Manual Calibration Using Valve Options ............................................................................................ 159
9.3.2.1. Setting the Expected O
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Span Gas Concentration with the Z/S Option Installed ....................... 160
9.3.2.2. Zero/Span Point Calibration Procedure the Z/S Option Installed................................................ 161
9.3.2.3. Use of Zero/Span Valve with Remote Contact Closure .............................................................. 162
9.4. Automatic Zero/Span Cal/Check (AutoCal) .............................................................................................. 162
9.4.1. SETUP ACAL: Programming and AUTO CAL Sequence.............................................................. 164
9.5. O
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Photometer Electronic Calibration ...................................................................................................... 167
9.5.1. Photometer Dark Calibration .............................................................................................................. 167
9.5.2. O
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Photometer Gas Flow Calibration.................................................................................................. 168
9.6. Calibration the IZS Option O
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Generator .................................................................................................. 169
10. EPA PROTOCOL CALIBRATION ................................................................................. 171
10.1.1. M400E Calibration – General Guidelines ......................................................................................... 171
10.1.2. Calibration Equipment, Supplies, and Expendables......................................................................... 172
10.1.3. Calibration Gas and Zero Air Sources.............................................................................................. 172
10.1.4. Recommended Standards for Establishing Traceability................................................................... 173
10.1.5. Calibration Frequency....................................................................................................................... 174
10.1.6. Data Recording Device..................................................................................................................... 174
10.1.7. Record Keeping ................................................................................................................................ 174
10.2. Level 1 Calibrations versus Level 2 Checks........................................................................................... 175
10.3. Multipoint Calibration .............................................................................................................................. 175
10.3.1. General information .......................................................................................................................... 175
10.3.2. Multipoint Calibration Procedure....................................................................................................... 176
10.3.3. Dynamic Multipoint Calibration Check.............................................................................................. 177
10.3.4. Linearity Test .................................................................................................................................... 177
10.3.5. O
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Loss Correction Factor ................................................................................................................ 179
10.3.6. Span Drift Check............................................................................................................................... 179
10.4. Auditing Procedures ............................................................................................................................... 179
10.4.1. Multipoint Calibration Audit............................................................................................................... 180
10.4.2. Data Processing Audit ...................................................................................................................... 180
10.4.3. System Audit..................................................................................................................................... 181
10.4.4. Assessment of Monitoring Data for Precision and Accuracy............................................................ 181
10.5. Summary of Quality Assurance Checks................................................................................................. 181
10.6. References ............................................................................................................................................. 185
TECHNICAL INFORMATION........................................................................... 186
11. THEORY OF OPERATION ............................................................................................ 189
11.1. Measurement Method............................................................................................................................. 189
11.1.1. Calculating O3 Concentration........................................................................................................... 189
11.1.2. The Photometer UV Absorption Path ............................................................................................... 191
11.1.3. The Reference / Measurement Cycle............................................................................................... 192
11.1.4. Interferent Rejection ......................................................................................................................... 193
11.2. Pneumatic Operation.............................................................................................................................. 194
11.2.1. Sample Gas Air Flow ........................................................................................................................ 194
11.2.2. Flow Rate Control ............................................................................................................................. 195
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