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Epson XDT manual Sensor Serial No Instrument Serial No

Models: XDT

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Sensor Serial No.: _______________

XDT User’s Manual

When calling your representative for technical support, please have your serial numbers available. The Sensor and Instrument Serial Numbers are on the instrument, also see section 3.4.4.4.

Sensor Serial No.: _______________

Instrument Serial No.: _______________

Your Representative is:

Except as may be provided by contract, this document and all specifica- tions and drawings contained are the property of Xentaur Corporation, are issued in strict confidence, and shall not be reproduced or copied or trans- mitted, in any form or by any means, or used as the basis for the manufac- ture or sale of apparatus, programs, or services without permission.

Check the Internet for updates; the latest revision of this manual is available in Adobe Acrobat for- mat at: http://www.xentaur.com

Document No.: XDO.01.D.0000 Rev.2.1 5/10/02

Copyright © 2000 by Xentaur Corporation

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Epson XDT manual Sensor Serial No Instrument Serial No

Contents

yyyyyyyy Sensor Serial No Instrument Serial No Epson is a registered trademark of Seiko Epson Corporation Swagelok, Cajon are trademarks of SWAGELOK CoAcrobat is a trademark of Adobe Systems Incorporated Microsoft Windows is a registered trademark of Microsoft CorporationWarning Labels Warranty Table of Contents Appendix D Optional Sensor Fittings 1.0 Overview of the XDT XDT User’s Manual 2. Sensor and Sampling Techniques 2.1 Precautions using the sensor 2.2 Sensor Technical Specifications 2.3 Sensor Installation & Sampling Techniques2.3.1 In-situ Installation NOT RECOMMENDED2.3.2 Extractive Installation 2.4 Mechanical Installation Diagnostic/Remedy 2.5 Troubleshooting unexpected readingsSymptom Possible Cause3. Instrument 3.1 Precautions using the XDT 3.1.1 Electromagnetic Compatibility ConsiderationsAlarm relay contacts 3.2 Instrument Technical SpecificationsInput resolution Mains Supply Voltage3.3.1.1 XDT-PM DIN43700 Enclosure Installation 3.3 Installation3.3.1 Instrument Mechanical Installation 3.3.1.2 XDT-NEMA IP65 Enclosure InstallationSENSOR CABLE 3.3.2.1 Connecting Power3.3.2 Electrical Connections 3.3.2.3 Wiring the Alarm Contacts 3.3.2.1.1 AC Mains Electrical Power Connection3.3.2.1.2 Low Voltage DC Powered Option - Electrical Power Connection 3.3.2.2 Sensor Connection3.3.2.4 Interfacing to the Analog Output 3.4.1 Starting up 3.4 Operating the Instrument3.3.2.5 Interfacing to the RS-232 option ABCDEF GH IJ LNOP QRS TUXYZ 3.4.2 Display Conventions0 12 3 4 5 6 7 3.4.3 Push Buttons3.4.4 Operating State 3.4.4.1 Viewing Dewpoint Modeparts per million by volume computed at the sensor pressure more about pressure later. The LBS 3.4.4.2 Alarms HI **** ˚C 3.4.4.3 Start Calibration3.4.4.3.1 SpanCheck Mode 3.4.4.3.2 Single Point Self Calibration, manual or scheduled Page XDT User’s Manual 3.4.5 SetUp State 3.4.4.4 Viewing Serial Number Modeb. SpanCheck the sensor c. Dry-down the sensor for at least 12 hrs the hook-up and testing of the user’s monitoring equipment Secured Password Protection3.5 Resetable Audio-Visual Alarm Option NFPA compliant 3.6 Troubleshooting the Instrument denotes alternately flashing messages display is darkLegend denotes a beeping accompaniment to the message 3.7 Maintenance Spare parts may be ordered through your representativeXDT User’s Manual Glossary used for the circuit see 4/20 pounds of water per RG58 . . . . . . . . . . . . . . . . . . . a type of coaxial cable - the letters/numbers refer to the electrical characteristic of the cable resistance/capacitance per foot of length XDT User’s Manual Appendices Appendix A Flow Diagram of Operating State User InterfaceCancel Calibration it is not performed here Flow diagram items not related to Self Calibration are shaded in grayCancel Calibration it is not performed SETCNF/CBL/SHR SET SHR SETCNF/CBL/OPN SET OPN SET END Appendix B Flow Diagram of Set-Up State User Interface16.24˚C˚F SETSEN/XT1unitscable with molded-on male BNC connector female BNC connector AppendixC Sensor Mechanical 2.230Appendix D Optional Sensor Fittings XDT User’s Manual AppendicesTOP VIEW Appendix E XDT Circuit Board DimensionsTerminal Connector SIDE VIEWEnvironmentally sealed mounting Appendix E continued XDT-PM Enclosure Mounting DimensionsStandard mounting with clip-on compression brackets with gasket and clip-on screw clamp mounting bracketsAppendix E continued XDT-NEMA Enclosure Mounting Dimensions XDT User’s Manual AppendicesAppendix F Sensor/SpanCheck Theory of Operation Appendix G Dewpoint Response time Analysis Of course analyzing on a wet-up step will produce much faster results, because all sensors are fast on wet up, since Al2O3 like most materials adsorbs faster than it desorbs. Testing with a small step e.g. in the -10C to 0C dewpoint range will produce even faster results, and allow manufac- turers to make far-fetched claims of response time of 5seconds for a 90% of step change. The cus- tomer has to be aware of these manipulations of data and be able to ascertain the real-world response time they can expect out of a sensor 85 -80 -75 -70 -65 -60 -55 -50 -45 Appendix H Sample Gas Filter ConsiderationsTested Instrument ˚C Chilled mirror reference instrument MBW ˚CFacility Appendix I XDT Grounding ConsiderationsAC Power SensorAppendix J Analog Output vs. Dewpoint Relationship of 4-20mA output and instrument reading in ppmV or LBS Reset Appendix K RS-232C Interface ProtocolHELP command Login“Error SensOpen” or “Error SensShort” or “Error SensSat” BLMeasurement UnitsSPElapsed TimeSPAlarm StatusCRLFBLBLErrorStringCRLF S C K n mWho Command “?” commandSerial Number Command Reset CommandAppendix L Procedure for Exchanging XDT Sensors State User InterfaceDewpoint Appendix M Uncertainty in LBS & ppmV calculationsDewpoint To obtain a RAN fill out this form and fax to Xentaur Return Authorization Number Request FormAppendix M Return Authorization Number Request Form CustomerPage Symbols IndexPage Page water