Cosa-xentaur Xentaur XPDM Manuel d'utilisateur

page iWhen calling for technical support... please have your serial numbers ready.The Sensor and Instrument Serial Numbers are on the rear o

page 75.0 The User InterfaceThe user interface consists of a custom LCD display, an audio indicator, 5 push buttons and a sensor actuator.5.1 Display

page 85.2 Operating StateRefer to Appendix A for a flow diagram of the operating state. The XPDM is powered ON by pressing the ‘Power’ button until a

page 9back to atmospheric settings. A long press of the pressure correct button changes the unit back to the Viewing Dewpoint Mode. Pressing the ‘Mode

page 101999 then it is displayed in 2 parts, first part is the thousands signified by the x103 legend in the upper right corner of the display and the

page 116. OptionsThe instrument can be optionally equipped with an output/power supply board, to allow for the following capabilities:1. RS-232C.2. Cu

page 12If the current loop is not being used, it is safe to connect the DB9 connector directly to a PC; pins 1&9 will not be damaged or cause dama

page 136.3 Operating from an external Power SupplyThe external power connector is a 2mm power jack located on the rear of the unit. This input can acc

page 14 7. Automatic CalibrationThe instrument is calibrated at the factory with the shipped sensor, and does not need to be re-calibrated prior to us

page 158. Changing desiccant cartridge and/or battery.In order to change desiccant cartridge and/or battery, remove the two thumb screws on the rear c

page 169. Special messages, warnings and error indicationsLegend: denotes a beeping accompaniment to the message. denotes alternately flashing

page iiThe customer agrees that in accepting and using this instrument Xentuar Corporation’s liability arising from or in any way connected with this

page 17Appendix A: Flow diagram of User Interface in the Operating State {{{{{{{{unitsvaluesvaluesSensorPositionSensorReadingunitsNew calibration valu

page 18Appendix B: Flow Diagram of User Interface in the Set-Up State Legend: / separates alternatively displayed messages Buttons wi

page 19Appendix C: Relationship of Instrument Reading and 4-20mA output when lbs of H20/million standard cft or ppmv engineering units are selected.In

page 20Appendix D: Uncertainty in LBS and PPMV calculations Uncertainty of LBS-H2O calculation due to +/-3˚C measurment accuracyCalculated LBS-H2O in

page 21Appendix E: Battery LifeRelative Battery Life Comparison Number of 10 minute samples performedContinuous "ON" Elapsed Hours (backlig

page iiiXPDM Manual Table of Contents1. Introduction ...

page 11. IntroductionThe XPDM is a portable, hand-held, microprocessor controlled, battery operated dew-point meter with built in dry-storage for the

page 22. Precautions• Warranty limitation: The XPDM’s sample cell/piston assembly should not be disas-sembled except by factory trained personnel. The

page 33. Principle of OperationDewpoint sensors, like all hygroscopic materials, adsorb much faster than they desorb. Therefore, an accurate measureme

page 4A note about dry-storageThe dry-storage consist of a stainless steel container filled with desiccant. The elec-tropolished stainless steel senso

page 54. Operating the XPDM4.1. Sample Hook-up4.1.1. FittingsThe XPDM can be hooked up to the sample gas using a variety of fittings, depending on the

page 6sufficient, assist by gently pulling on the sensor actuator located on the front of the instrument, while still blocking the sample outlet port.