Model 202 Ozone Monitor Manual Rev. J-4
ii
Contents
IDENTIFICATION RECORDS iv
PRINTING HISTORY v
WARRANTY STATEMENT vi
WARNINGS viii
1. OZONE MONITOR INTRODUCTION 1
1.1. Theory of Operation ................................................................................................................. 1
1.2. Calibration Overview ............................................................................................................... 3
1.3. Use of DewLine to Remove Humidity Interference .............................................................. 3
2. MODEL 202 OZONE MONITOR SPECIFICATIONS 4
3. INSTALLATION AND OPERATION 6
3.1. Shipping Box Contents ............................................................................................................ 6
3.2. Installation of the Ozone Monitor ............................................................................................. 6
3.3. Measurement of the Zero Offset ............................................................................................. 7
3.4. Collecting Data from the Analog Output .................................................................................. 7
3.5. Collecting Data over the Serial Port in Real Time ................................................................... 7
3.6. Data Averaging and Data Logging Using the Menu ................................................................ 9
3.7. Menu Definitions and Menu Tree ............................................................................................ 9
3.8. Selecting the Menu ................................................................................................................ 10
3.9. To Log Data Using the Internal Data Logger ........................................................................ 11
3.10. To Stop Logging Data Using the Internal Data Logger ......................................................... 12
3.11. To Transmit Logged Data to a Computer Using the Serial Port............................................ 12
3.12. To Log Data Using the SD Card ............................................................................................ 13
3.13. To Average Data ................................................................................................................... 14
3.14. To Set the Calibration Parameters ........................................................................................ 14
3.15. To Set the Time and Date ..................................................................................................... 16
3.16. To Change the Output Baud Rate ......................................................................................... 16
3.17. To Turn the Analog Inputs On and Off and Change the Analog Output Scaling Factor ....... 16
3.18. To Turn the Display Light On and Off .................................................................................... 17
3.19. To Change the Units for Internal Temperature, Pressure, and Ozone ................................. 17
3.20. To Test the Lamp Voltage and Precision .............................................................................. 18
3.21. To Read the Number of Hours of Ozone Monitor Use .......................................................... 18
3.22. To Turn the Optional Lamp Heater On and Off ..................................................................... 18
3.23. To Read Flow Rate on the Display ........................................................................................ 18
4. ACCESSING THE SERIAL MENU 19
5. MAINTENANCE 20
6. CALIBRATION 21
6.1. Introduction ............................................................................................................................ 21
6.2. Ozone Standards ................................................................................................................... 21
6.3. Equipment Required .............................................................................................................. 21
6.4. Instrument Preparation .......................................................................................................... 22
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