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Frequently Asked Questions and Glossary M400E Ozone Analyzer Operator’s Manual
Q: When should I change the Particulate Filter and how do I change it?
A: The Particulate filter should be changed weekly. See Section 12.3.1 for instructions on performing this
repla
cement.
Q: When should I change the Sintered Filter and how do I change it?
A: The Sintered Filter does not require regular replacement.
Should its replacement be required as part of a troubleshooting or repair exercise, see Section 13.10.1 for
inst
ructions.
Q: When should I change the Critical Flow Orifice and how do I change it?
The Critical Flow Orifice does not require regular replacement.
Should its replacement be required as part of a troubleshooting or repair exercise, see Section 13.10.1 for
inst
ructions.
Q: How do I set up and use the Contact Closures (Control Inputs) on the Rear Panel of the analyzer?
A: See Section 3.3.4.
Q: Can I auto
matically calibrate or check the calibration of my analyzer?
A: Any analyzer into which a Zero/Span Valve Option can be automatically calibrated using the instrument’s
AutoCal Feature.
Be aware that while the AutoCal feature can be used with the IZS Option to perform Calibration Checks,
The IZS should never be used to perform Calibrations.
See Section 9.4 for instructions on setting up and activating the AutoCal feature.
Q: How often
should I rebuild the Sample Pump on my analyzer?
A: The diaphragm of the Sample Pump should be replaced annually.
A sample rebuild kit is available. See Appendix B of this manual for the part number of the pump rebuild
kit. Instructions and diagrams are included with the kit.
Q: How long does the UV Sourcelast?
A: The typical lifetime is about 2-3 years.
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