User ManualTable of Contents1.0 Overview of the XDT82. Sensor and Sampling Techniques102.1 Precautions using the sensor102.2 Sensor Technical Specifications112.3 Sensor Installation & Sampling Techniques112.3.1 In-situ Installation122.3.2 Extractive Installation132.4 Mechanical Installation142.5 Troubleshooting unexpected readings153. Instrument163.1 Precautions using the XDT163.1.1 Electromagnetic Compatibility Considerations...163.2 Instrument Technical Specifications173.3 Installation183.3.1 Instrument Mechanical Installation183.3.1.1 XDT-PM (DIN43700) Enclosure Installation183.3.1.2 XDT-NEMA (IP65) Enclosure Installation183.3.1.3 XDT-OEM bare board Installation183.3.2 Electrical Connections193.3.2.1 Connecting Power193.3.2.1.1 AC Mains Electrical Power Connection203.3.2.1.2 Low Voltage DC Powered Option - Electric...203.3.2.2 Sensor Connection203.3.2.3 Wiring the Alarm Contacts203.3.2.4 Interfacing to the Analog Output213.3.2.5 Interfacing to the RS-232 option223.4 Operating the Instrument223.4.1 Starting up223.4.2 Display Conventions233.4.3 Push Buttons233.4.4 Operating State243.4.4.1 Viewing Dewpoint Mode243.4.4.2 Alarms263.4.4.3 Start Calibration273.4.4.3.1 SpanCheck™ Mode283.4.4.3.2 Single Point Self Calibration, manual or...293.4.4.4 Viewing Serial Number Mode323.4.5 SetUp State323.5 Resetable Audio-Visual Alarm Option (NFPA comp...353.6 Troubleshooting the Instrument363.7 Maintenance38Glossary40Appendix A: Flow Diagram of Operating State User I...44Appendix B: Flow Diagram of Set-Up State User Inte...46Appendix C: Sensor Mechanical47Appendix D: Optional Sensor Fittings48Appendix E: XDT Circuit Board Dimensions49Appendix F: Sensor/SpanCheck™ Theory of Operation52Appendix G: Dewpoint Response time Analysis53Appendix H: Sample Gas Filter Considerations55Appendix I: XDT Grounding Considerations56Appendix J: Analog Output vs. Dewpoint57Appendix K: RS-232C Interface Protocol59Appendix L: Procedure for Exchanging XDT Sensors62Appendix M: Uncertainty in LBS & ppmV calculations...63Appendix M: Return Authorization Number Request Fo...64Index66Size: 1.42 MBPages: 70Language: EnglishOpen manual