Instruction ManualFor use with methane gas only.
Read and understand instructions before use.
Patented
SENSIT® PMDPORTABLE METHANE DETECTOR
MADE IN USA
SENSIT Technologies is in compliance with ISO 9001:2008
Ex-Ox-Tox Gasdetectie Westerdreef 5V2152 CS Nieuw-Vennep Telefoon: 0252 620885 E-mail: [email protected] Website: www.exoxtox.nl
Warnings:
• Topreventignitionofflammableorcombustible atmospheresdisconnectpowerbeforeservicing.
• Removeandchargebatterypackinanareaknowtobe freeofcombustiblegases.
• UseonlySensitTechnologiesbatterypack.
• Servicemayonlybeperformedbyfactoryauthorized servicetechnicians
• Notforuseinenvironmentsgreaterthan21%oxygen.
Safety Precautions:
• Readandunderstandinstructionspriortouse.
• AlwaysstartthePMDinanareaknowntobegasfree.
• Tamperingwiththisproductmayvoidthewarranty.
• UseonlySensitTechnologiesapprovedparts and accessories.
• Neveruseaninstrumentknowntobedamaged, operatingunusually,oroutofcalibration.
For further information contact Sensit Technologies.
SensitTechnologies851TransportDriveValparaiso,Indiana46383USA
Tel:219/465-2700Fax:219/465-2701
Email:[email protected]:www.gasleaksensors.com
TABLE OF CONTENTS Page Section Title
4 GeneralDescription
5 PartsandAccessories
6 ProductSpecifications
6 Product Features
7 ElectronicFeatures
8 DisplayFeatures
9-10 HousingFeatures
11 Filters
12 FieldOperations
13 QuickMenu
14 UserMenu
15 Calibration
16-17 AdjustableFeatures
20 Warranty
4
TELESCOPICSURVEY BOOTand PROBE ROD
GRAPHIC DISPLAY INFRAREDCOMMUNICATIONS
ALARM LEDSOUNDER
FILTER
OPERATIONBUTTONS
BACKLIGHTSENSOR
General Description
TheSensit®PMD,referredtoasthe“PMD”,isdesignedtodetectmethanegasfrom1ppmupto100%volume.ThePMDmaybeusedforwalkingsurveysandvehiclesurveys(whenproperlyinstalled)forundergroundnaturalgaspipingsystems.Otherapplicationsincludelandfillmonitoringandcheckingpipingsystemswhereotherinterferinggasesmayprovideinaccuratereadings.
ThePMDsensesgasusingInfrared(IR)AbsorptionSpectroscopyincombinationwithanelectronicnarrowbandpassfilter.Thistechnologyutilizesaninfraredlightsourcewithanoutputthatischangedwhencertaingasesabsorbthelightoutput.Thefilteronlyallowsspecific lightwavelengthstobemonitoredandmeasured. Theconcentrationofgas isproportionaltotheamountofspecificIRlightabsorbedandisdisplayedinPPM,%LELand/or%Vol.
ThePMDhasalargedisplayindicatingconcentrationandotherinstrumentfunctionssuchasbatterychargeandperformance.Aninternalpumpprovidesrapidsamplingintothedetectionchamber.Audibleandvisualalarmsindicatewhenpresetalarmsareexceeded.Bluetoothdatatransmissionprovidescommunicationofrealtimeandstoreddata.OptionalGPSandDataLoggingallowforfurtherrecordingoftime,dateandlocationdata.
“D”RING
5
Accessories
Standard Accessories SurveyProbewithrubberboot ShoulderStrap LithiumIonRechargeableBatteryPack BatteryCharger BatteryPackRemovalTool InstructionManual PMDHydrophobicFilterDisc(10pack) SurveyProbeFilter(blue)
Optional Accessories FiberglassBarHoleProbe BrassBarHoleProbe HDFiberglassBarHoleProbe CalibrationKit BumpGasCylinder(50ppmCH4) HDCarryingCase(PelicanStyle) VehiclePowerAdapter SDdataloggingcard
Replacement Parts ShoulderStrap“D”Rings FilterCap FilterCap“O”Rings(10) PMDHydrophobicFilterDisc(10pack) SurveyProbeFilter(blue)
6
Product Specifications
Operational Specifications
Temperature: -4to122FDutyCycle: ~7hoursResponsetime: T50<3secondsAlarms: Audible-95db@15inches Visual–Redbacklightondisplay Visual–Displayinfo Visual–Failureindicators Settings–PPMandLELPower: LithiumIonRechargeablebatterypack OptionalVehiclepoweradapterPumpFlow: 1.5lpmDetectionRange: 0-5000ppm 10–100%LEL 5-100%V/V
Physical Specifications
Size:Weight: 6.1LbsConstruction: CastAluminum/ABSPlastic
Sensor Specifications
IRSensor: Wavelength–3.4m DetectionRange1ppm–100%v/v Warmup<10min Calibrationrequired-6months
Product Features• ThePMDisconstructedofdurableABSplastic• ThehousingisdesignedtomeetIP54protection• ThePMDisdesignedtomeetCat3IntrinsicSafetyrequirements• Batterypackisdesignedforeasyfieldreplacement• FieldorSmartCalcalibrationiseasilyperformed• Externalfiltersareinexpensiveeasytochange• TheLCDdisplayiseasytoread• ThePMDusesasimple“SensitStyle”userinterface• CommunicationwithotherdevicesiseasywithBluetoothinterface• RealtimeGPSisoptional• RealtimeDataloggingwithremovablestorageoption
7
Electronic Features
User Interface
Theuserinterfaceincludesthefollowingfeatures:• Threebuttonoperation• LEDStatusindicators• Sounder• Photocell(automaticbacklighting)• IRcommunicationport• LCD
Button Operation
TheSensitPMDisoperatedwiththeuseofthreebuttonsbelowthedisplay.
TheyarelabeledA,B,C.
The“A”button:• activates/deactivatestheinstrument• mutestheaudiblealarms
The“B”button:• Accessesthequickmenuandusermenu• DigitallyadjuststheTICKsoundforleaklocating
The“C”button:• Savesdisplayedreadingstotheinternalmemory• Performsamanualzero.
8
Display Features
Thedisplayprovidesallinformationincluding:• GasconcentrationinPPM,LELAND%Vol• Batteryvoltagestatus• PumpStatus• GPSactivationandcoordinates• Bluetoothoperation• Dataloggingoperation• Warningindication
Iconsonthedisplayindicatethestatusofvariousfunctions.
-FlowOK -Flowblocked
-Alarmnotmuted -PPMalarmmuted
-%LELalarmmuted -%GASalarmmuted
-Warning/trouble/failuresymbol
-BluetoothOnandConnected -Bluetoothonbutnotconnected
-TickON
-Dataloggingon–flashoncefordatasave
-DataSaved–flashonceformanualdatasave
-GPSConnected -GPSenabled-notconnected
Alarm settings
Thereare3adjustablealarmsettings.
1.PPM a. Default:10ppm b. LowLimit:0 c. Highlimit=500 d.DisablePPMalarm:SetthePPMalarmto0 e. Alarm:Audible,LED,Redbacklightifunitindark
2.%LEL a. Default:50%LEL b. LowLimit:10%LEL c. Highlimit=90%LEL(Ifnoautorangeto%gas) d.DisableLELalarm:Cannotdisablethisalarm(muteonly) e. Alarm:Audible,LED,Redbacklightifunitindark
3.%GAS a. Highlimit=20%Vol(Default17%) b.Disable%GASalarm:Cannotdisablethisalarm c. Alarm:LED,Redbacklightifunitindark
AdjustmentoftheppmalarmiscoveredintheUserMenuportionofthismanual.
Housing Features
Battery Pack
Thebatterypackislocatedonthebacksideoftheinstrumenthousing.ThebatteriesareLithiumIonrechargeable.ThebatteriesareonlyavailablefromSensitTechnologies.
Toremovethebatterypackturntheretainingscrews¼turn.Pullthebottomofthepackawayfromthemainhousing.Rechargingofthebatterypackrequiresremovalfromthemainhousing.
Toreplaceslidethetoptabsofthebatterypackintotheretainersatthetopofthemainhousing.Pushthebottomintoplaceandturnandlocktheretainingscrews.
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10
ChargeComplete
Charging Status ChargerConnection
ThebatterypackhasLED’stoindicatechargestatus.Chargingshouldonlybeperformedinanareaknowtobefreeofcombustiblegases.
Gas Inlet and Outlet
Locatedonthefrontofthemainhousingisthegasinletandoutlet.Botharefittedwithluer-styleconnectionsforeasyconnectiontoprobeaccessories.
Thecenterconnectionisthegasinlet.Totherightistheoutlet.Donotblockgasoutlet.
Shoulder Strap attachment
“D”ringsarelocatedoneachsideofthemainhousingforshoulderstrapattachment.Clipsonthestrapwillattachsecurely.
11
Hydrophobic Filter Assembly
WARNING:Donotoperatewithoutproperfilter.Damagemayoccurtothepumpandotherinternalparts.Onlychangefilterwithpumporinstrumentoff.
Thegasinletisprotectedbyahydrophobicfilter.
Itisaccessedby:1.Detachanyprobeassembly2.Twistandremovefiltercap3.Removeandreplacefilterdisc4.Check“O”ringinsidecap5.Replacefiltercap6.Performedflowblocktest
Additionalfiltersarelocatedineachoftheaccessoryprobeassemblies.
12
Operation and Field Use
ToactivateinstrumentpushPOWERbutton.Thefollowingwarm-upsequencewilloccur:
1. Warm-upsequence(a-i)withinfobelow.
a. Logo b.SerialNumber c.Revision d. SystemCheck i. LEDcheck ii. Backlightcheck iii.Date/Time e. Caldue(upcoming)orCalPastDue f. ActivationAcknowledgments i. Pump ii. Dataglog iii.GPS g. Sensorwarm-up(8-20Min)and“PleaseWait” h. Autozero i. Workingdisplay 2. Attachtheappropriateprobeassemblyandperformaflowblockcheck.An alarmsound,displayindicationandflowiconwillindicateafailedtest. 3. Followcompanyproceduresforperformingleaksurvey/investigation
4. Ifthealarmsettinghasbeenexceededpressandreleasethe“A”buttonto disablethealarm.Thealarmsoundwillautomaticallyresetwhenthe concentrationhasgonebelowthethresholdvalue.Secondaryalarmsathigher concentrationwillactivatewhenvaluesareexceeded.Pressandreleasethe“A” buttonagaintomutesecondaryalarms.Duringanyalarm,thedisplaybacklight willbeREDincolor.
5. Checkfiltersdailyforbestresults.
6. Batterypowerisdisplayedusingabatteryvoltageicon.Fullbatteryis12.0v. IconwillflashandBATLOWwillintermittentlyflashonthedisplay~8v. BATFAILwillbedisplayedwheninsufficientbatterypowerisavailable.
WhenBATLOWisindicated,pressanybuttontoacknowledgethewarning.Failure toacknowledgewithin30secondswillresultinautomaticpowerofftoprotect batteriesfromexcessivedischarge.
7. Toturnofforputintostandbymodepushandholdthe“A”button.Itwill display“SHUTDOWN”onleftsideand“STANDBY”onrightsideofthedisplay. Pressthe‘A’buttontoturntheinstrumentoff.Press‘C’toputunitinstandby modewhichwillreducepowerconsumptionandwillallowyoutoreducethe warmuptimetoapproximatelytwominutes.Werecommendusingstandby modeforlessthan1hour.
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QUICK MENU
Pressandrelease‘B’button.Thiswillprovideaccesstothefollowingfunctions.Pressthe“C”buttontoscrollthroughtheoptions.Use‘B’buttontoselect.Use‘B’buttonagaintoturnitOFFor‘C’buttontoturnON.Press‘A’buttontoselectyourchoiceandexitmenu.
1.TICK–Audibleleakdetectionmode.NOTE:Activatingthetickwilldisable soundalarm.
a.Whenactivatedatickwillbeheardeverysecond.Frequencyoftickwill increaseasgasconcentrationincrease. b. Pressandrelease‘B’buttonwillresetthetickfrequencyto1tickper second.Thetickfrequencywillincreaseifgasconcentrationincreasefrom thatconcentration. c. Toturnthetickoff,pressandrelease‘A’button.Pressandrelease‘A’button againtoactivatethealarmsound.
WhenviewingthefollowingselectionsUse‘B’buttontoselect.Use‘B’button againtoturnitOFFor‘C’buttontoturnON.Press‘A’buttontoselectyourchoice andexitmenu. 2.BHTest–Barholetestfunction
3.PUMP-Use‘B’buttontoselect.Use‘B’buttonagaintoturnitOFFor‘C’ buttontoturnON.Press‘A’buttontoselectyourchoiceandexitmenu.
4.GPS–RealtimeGPSX/Ycoordinates
5.Warning-Usethisfeaturetolistcurrentfailuremode.
Bluetooth Activation
WhentheBluetoothisactivatedthedisplayreadingscanbetransmittedtoanydevicecapableofreceivingBluetoothdata.Thedatamayalsobeviewedbyusing“HyperTerminal”.Thewebsiteiswww.lgraeve.com
BluetoothPasskey:5DigitSerialNumber
SerialCommunicationsSettings:BitsPerSecond:57600Databits:8Parity:NoneStopbits:1Flowcontrol:None
DataStreamcanbeadjustedtosenddataevery1-10sec.youcanfindsettingstochangethisinExpertMenu->DataStream.YouneedtoturnDataStreamONinUserMenu.
OnceconnectedtotheBluetoothdevice,PMDsendsthe7digitPPMreading.
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USER MENU
Toaccesstheusermenupushandholdthe“B”buttonuntilUSERMENUisdisplayed.Fromthismenuthefollowingfeaturescanbeviewedbypressingthe“C”buttontoscrollthroughtheoptions.Entertheselectionbypressingthe“B”buttonandadjustingbyusingthe“C”buttonortheonscreenprompts.Pressingthe“A”buttonrepeatedwillreturnyoutotheworkingdisplay.
Date and Time Viewthedateandtime. Timeisin24hourformat.Dateismm/dd/yyformat.
Print Menu Allowsaccesstoprintmenuforcalibrationandoperationalsessions.
Bump Test Performtimedtestforgasresponseinppmrange.Pumpmaybe selectedONorOFFforthisfunction.
Calib Menu Calibrationto1000ppm,2.5%and100%methanegasconcentrations. ForinstructionrefertoCALIBRATIONsectionofthismanual. •ZeroAir-ToSetZeroPoint PumpOn/Off OnscreenInstruction •1000PPM-Tocalibrate1000ppmlevelonly (ZeroAircalibrationrequiredfirst-automatic) •2.5%V/V-toCal2.5%(50LEL)CH4 Only •100%V/V-toCal100%(100LEL)CH4 Only •FullCalib-Automaticallysequencezero,1000,2.5%V/V,100%V/V (ThisupdatesCalDue)
Datalog Activatesthedataloggingsystem.(IfActivatedw/memorycard)
Data Stream Activatesrealtimedatastreamingofdisplayreadingseverysecondto anotherrecordingdeviceusingBluetooth.ContactSENSITforsettings.
Alarm PPM AdjustmentforPPMalarmvalue. Settingat0disablesalarm. Rangeis0-500ppm
Set Clock Adjustdateandtime.
View Sess Log Viewmanuallysaveddata.
View BHLOG Viewthebarholetestlogs(IfActivated).
View Auto ViewAutologdataofoperationalpeakvalues.
View Cal Log Viewcalibrationlog.
QCal Log Viewrecordingofindividualcalibration(NotFullCalib)
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Calibration Check
Toverifytheproperoperationofthisinstrumentapplyaknownconcentrationof50-1000ppmmethanetothesamplesystempriortouse.
Thisisnotarequiredprocessbutisrecommendediftheproducthasnotbeenusedformorethan30days.
Calibration
ThePMDrequirescalibrationevery3months.Anautomaticreminderwillnotifytheuserthatcalibrationisdueatstartup.
Calibrationcanonlybeperformediftheinstrumenthasbeenoperationalfor30minutes.
Tocalibratetheareamustbeknowntobegasfree.Ifthereismethaneintheareaabottleofzeroairwillbenecessary.Othergasesrequiredinclude1000ppm,2.5%and100%methane(pipelinegasisalsoacceptable).Somegasescanbecalibratedindividually.ContactSENSITTechnologiesServiceDepartmentformoreinformation.
Calibrationisperformedwiththepumpoffifthereisnoaccesstodemandflowregulatorsforthecalibrationbottles.Turn-offisselectedpriortocalibration.
CalibrationisperformedthroughtheUserMenu.Usingthe“B”buttonaccesstheUserMenu.Usethe“C”buttontoscrollto“CalibMenu”.
Tobeginpressthe“B”button.Iftheinstrumenthasnotoperatedfor30minutesacountdowntimerinsecondswillbedisplayed.Whentheproperamountoftimehasbeenmetthedisplaywillshow“Proceed”.Pressanybutton.Abeepwillbeheard.
SelectCalTypeandfollowon-screenprompts.
Applyzeroppmmethaneorcleanair.Press“C”buttontobeginzeroaircalibration.Displaywillshow“waitingforstableread”followedby“success”whencompleted.Pressanybuttontocontinue.
Displaywillread“pleaseapply1000ppmmethane”.Attachandapply1000ppmmethane.Theprocessrequires1-5minutes.Displaywillshow“waitingforstableread”followedby“success”whencompleted.
Displaywillread“pleaseapply2.5%methane”.Attachandapply2.5%methane.Theprocessrequires1-5minutes.Displaywillshow“waitingforstableread”followedby“success”whencompleted.
Displaywillread“pleaseapply100%methane”.Attachandapply100%methane.Theprocessrequires1-5minutes.Displaywillshow“waitingforstableread”followedby“success”whencompleted.
Uponcompletionpressanykeytoexittoworkingdisplay.Activatethepumpandallowtoclearpriortoturningoff.Thecalibrationreminderwillautomaticallyupdateaftersuccessfulcalibration.
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Adjustable Features (passwordprotected)ContactSensitTechnologiestogainaccesstothefollowingadjustablefeaturesnotintheusermenu.
Service Contrast: Adjustthedisplaycontrastasneeded.
Quick Scan: OptimumTempAdjust(5-30RQd) Orientation Cal: Cal Flow: Settingflowalarm
Tick SENS Lo,Med,orHigh
Alarm %LEL AdjusttheLELalarmvalue.Defaultis50%.
Alarm %V/V Adjustthepointwhenthealarmdeactivates.Defaultis17%.
Show SESS Allowdisplayofmanuallysaveddata.Defaultison.
Show BHLOG AllowdisplayofBHtests.Defaultison
Show AUTO AllowdisplayofAutologdata.Displayisoff.
BH Time Setthetimeinsecondsfordurationofthebarholetest. Defaultis15seconds.
Purge Time Setpurgetimeforinstrumentpriortoshutdown. Defaultis10seconds.
Standby Timeofinactivityorlackofmotioninminutesthatwillcausethe instrumenttoautomaticallygointolowpowermode.Defaultisoff.
Shutdown Timeinminutesthatshutdownwilloccurwheninstandbymode. Defaultis60.
Bump Limit Concentrationofgastobeacceptablewhenperformingabumptest. Rangeis40–1000ppm.Defaultis1000.SetLowerandUpperLimit.
Bump Time Timerequiredinsecondsforunittopassabumptest. Rangeis10-60.Defaultis45.
Log Period TimebetweenDatalogpointsinseconds.Range1-60.Defaultis2.
Data Stream Timeinsecondsfordatatobestreamedthrough Bluetoothcommunication.
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Adjustable Features (Continued)
Rest UCal Resetcaldatatofactorysettings(PasswordProtected)
Set Cal Due TimeInterval(90Default)
Cal Due Ack RequiresbuttonpushafterCalDuereminder
DISP Callog CalDetail
Display Options SettheconcentrationdisplayPPM,LEL,%Vol. Configurations include: PPM0-10,000.Defaultis5000
PPM Option: PPMAutorangetoLEL.Defaultison.
PPM Handoff: HandofffromPPMatPPMsetting.
% LEL Option: LELfrom0.1-100%.DefaultisOn 100% LEL Equiv: SetLELlimitsfrom4.0–5.0%gasvolume.Defaultis5%. PPM+%LEL: DisplaybothPPMand%LEL.DefaultisOff NG Factor: Automaticcalculationforlowmethanepipelinegas.
UCal Date Dateoflastfullusercalibration Erase Auto EraseAutolog
Erase Sess ErasemanuallysaveddataLog Erase BHLog Erasebarholetestlog
SCal Pump On/OffDuringCal(foreachgastype)
Rezero REQD DowndriftAlert,On/Off,Value5Default
Language Selectlanguagefordisplay
Auto Bump Requirebumptestbeforeuse
Erase Bump EraseAutoBumpLog
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Saving SD Card Data Log Information
RemoveSDMemoryCardfrominsidethebatterycompartment.InstallSDMemoryCardincomputer.SaveFileindesiredformatandlocation.MicrosoftExcel.CSVisthepreferredformat.
GPS Data Conversion & Coordinate Mapping
GPSDataconversionandmappingcanbeaccomplishedusingSmart-LinkDataViewerSoftwareandsoftwarefromgpsvisualizer.com
1.UsingSmartLinkselectthedesiredreports.(See“Howtouse”and“Reports”sectionofSmartLinkHelpfileformoreinformation.)
2.Click“SaveReport”button.Savereportas.CSV(CommaDelimited)fileformat.This formatwillonlysaveloginformationforwhichvalidGPScoordinateinformationisavailable.
3.Goto:http://www.gpsvisualizer.com/Select“Google Maps”.
Import your .CVS file:
1.Usingbrowsebutton,selectthefileyouwishtoview.
2.Selectthemaptype.
Way-points:Todisplaycoordinates,gasconcentrationdetectedandtimeatspecificlocations.ItisbesttousewithSession-log,Bar-holelogandAuto-log.
Routepoints:The“route”wouldrepresenttheroad,trail,path,etc.thatyouhavetaken.Italsodisplaygasconcentrationdetectedandtimeatspecificlocations.ItisbesttousewithData-logtoviewareasurveyed.
3.Click“Drawthemap”button.
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GPS Data Conversion & Coordinate MappingSampleofthedatalogreportwithmaptypeas“routepoints”isdisplayedbelow.
Warranty
YourSensitPMDiswarrantedtobefreefromdefectsinmaterialsandworkmanshipforaperiodoftwoyearsafterpurchase(excludingcalibration).Ifwithinthewarrantyperiodtheinstrumentshouldbecomeinoperativefromsuchdefectstheinstrumentwillberepairedorreplacedatouroption.Thiswarrantycoversnormaluseanddoesnotcoverdamagewhichoccursinshipmentorfailurewhichresultsfromalteration,tampering,accident,misuse,abuse,neglectorimpropermaintenance.Proofofpurchasemayberequiredsbeforewarrantyisrendered.Unitsoutofwarrantywillberepairedforaservicecharge.InternalrepairormaintenancemustbeperformedbyaSensitTechnologiesauthorizedtechnician.Violationwillvoidthewarranty.Unitsmustbereturnedpostpaid,insuredandtotheattentionoftheservicedepartmentforwarrantyorrepair.
Thiswarrantygivesyouspecificlegalrightsandyoumayhaveotherrightswhichvaryfromstatetostate.
SensitTechnologies851TransportDriveValparaiso,Indiana46383USA
Tel:219/465-2700Fax:219/465-2701
Email:[email protected]:www.gasleaksensors.com
SENSITPMDINSTRUCTIONMANUAL V2.15-6-2013