Epson XDT manual Table of Contents

		XDT User’s Manual
	Table of Contents
1.0	Overview of the Dewpoint Transmitter model (DT)	1
2. Sensor and Sampling Techniques		3
2.1	Precautions using the sensor	3
2.2	Sensor Technical Specifications	4
2.3	Sensor Installation & Sampling Techniques	4
2.3.1 In-situ Installation		5
2.3.2 Extractive Installation		6
2.4	Mechanical Installation	7
2.5	Troubleshooting unexpected readings	8
3. Instrument		9
3.1	Precautions using the Dewpoint Transmitter (DT)	9
3.1.1 Electromagnetic Compatibility Considerations		9
3.2	Instrument Technical Specifications	10
3.3	Installation	11
3.3.1 Instrument Mechanical Installation		11
3.3.1.1 DT-PM (DIN43700) Enclosure Installation		11
3.3.1.2 DT-NEMA (IP65) Enclosure Installation		11
3.3.2 Electrical Connections		12
3.3.2.1 Connecting Power		12
3.3.2.1.1 AC Mains Electrical Power Connection		13
3.3.2.1.2 Low Voltage DC Powered Option - Electrical Power Connection		13
3.3.2.2 Sensor Connection		13
3.3.2.3 Wiring the Alarm Contacts		13
3.3.2.4 Interfacing to the Analog Output		14
3.3.2.5 Interfacing to the RS-232 option		15
3.4	Operating the Instrument	15
3.4.1 Starting up		15
3.4.2 Display Conventions		16
3.4.3 Push Buttons		16
3.4.4 Operating State		17
3.4.4.1 Viewing Dewpoint Mode		17
3.4.4.2 Alarms		19
3.4.4.3 Start Calibration		20
3.4.4.3.1 SpanCheck™ Mode		21
3.4.4.3.2 Single Point Self Calibration, manual or scheduled		22
3.4.4.4 Viewing Serial Number Mode		25
3.4.5 SetUp State		25
3.5	Resetable Audio-Visual Alarm Option (NFPA compliant)	28
3.6	Troubleshooting the Instrument	29
3.7	Maintenance	31
Glossary		33
Appendix A: Flow Diagram of Operating State User Interface		37
Appendix B: Flow Diagram of Set-Up State User Interface		39
Appendix C: Sensor Mechanical		40

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