XNX UNIVERSAL XNX Universal Transmitter Technical Manual

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XNX Universal Transmitter

Introduction

Safety

Read and understand this manual before installing, operating, or

maintaining the XNX Transmitter. Pay particular attention to the

warnings and cautions below. All of the warnings and cautions

shown here are repeated in the appropriate sections of the

manual.

Warnings

• Installationmustbeinaccordancewiththerecognizedstandardsofthe

appropriateauthorityinthecountryconcerned.

• Accesstotheinteriorofthesensor,whencarryingoutanywork,must

onlybeconductedbytrainedpersonnel.

• Beforecarryingoutanyworkensurelocalregulationsandsite

proceduresarefollowed.Appropriatestandardsmustbefollowedto

maintaintheoverallcertificationofthesensor.

• Toreduceriskofignitionofhazardousatmospheres,conduitrunsmust

haveasealfittingconnectedwithin18inches(45cm)oftheenclosure.

• Toreducetheriskofignitionofhazardousatmosphere,disconnectthe

equipmentfromthesupplycircuitbeforeopeningthesensorenclosure.

Keepassemblytightlyclosedduringoperation.

• NeveropentheXNXenclosureunderpowerunlesstheareaisknownto

benonhazardous.

• Thesensormustbeearthed/groundedforIntrinsicSafety,electrical

safetyandtolimittheeffectsofradiofrequencyinterference.Earth/

groundpointsareprovidedinsideandoutsidetheunit.EMInote

forapplicationsusingshieldedcable:Cableshieldterminations

mustbemadeatthecableglandswithsuitableEMItypeglands.

AvoidterminatingcableshieldsattheEarthgroundluginsidethe

XNXenclosure.Incaseswherewiringisinpipe,ashieldedcableis

notrequired.Theexternalterminalisonlyasupplementalbonding

connectionwherelocalauthoritiespermitorrequiresuchaconnection.

• TakecarewhenhandlingECsensorcellsastheymaycontaincorrosive

solutions.

•

Donottamperorinanywaydisassemblethesensorcells.

• Donotexposetotemperaturesoutsidetherecommendedrange.

• Donotexposethesensortoorganicsolventsorflammableliquids.

• Attheendoftheirworkinglives,sensorsmustbedisposedofin

anenvironmentallysafemanner,inaccordancewithlocalwaste

managementrequirementsandenvironmentallegislation.DoNOT

incineratesensorsastheymayemittoxicfumes.

• Highoff-scalereadingsmayindicateanexplosiveconcentrationofgas.

• Verifyalloutputs,includingdisplay,afterinstallation,afterservice

events,andperiodicallytoensurethesafetyandintegrityofthesystem.

• DonotusetheXNXUniversalTransmitterinoxygen-enriched

atmospheres.Concentrationsdisplayedwillbeadverselyaffectedby

oxygendepletion.

• Afterchangingparameterswithahandhelddevice,verifythatthe

parametersettingsarecorrectatthetransmitter.

• Thefactory-setpasscodesmustberesettopreventunauthorizedaccessto

thetransmitter’smenus.

Warnings: Identifyhazardousorunsafepracticeswhichcould

resultinsevereinjuryordeath.

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XNX Universal Transmitter Technical Manual - Page 7