CO2METER COM TR250Z User manual

Type
User manual

CO2METER COM TR250Z is a long-life oxygen level transmitter that offers multiple analog linear outputs of O2 concentrations. Designed for ruggedness and low maintenance, it's ideal as an OEM add-on or desktop device. Calibrate in normal air or with a calibration gas of any known oxygen concentration.

CO2METER COM TR250Z is a long-life oxygen level transmitter that offers multiple analog linear outputs of O2 concentrations. Designed for ruggedness and low maintenance, it's ideal as an OEM add-on or desktop device. Calibrate in normal air or with a calibration gas of any known oxygen concentration.

© CO2Meter, Inc.
TR250Z Oxygen Sensor
User Manual
Models
CM013425%O2Transmitter
CM0134‐WT25%O2TransmitterwithTubeSampling
CM015025%O2withMountShield
CM016095%O2Transmitter
CM0160WT95%O2TransmitterwithTubeSampling
CM016195%O2withMountShield
TR250Z Oxygen Transmitter – Manual
2
Table of Contents
TABLEOFCONTENTS................................................................................................................2
WELCOME...............................................................................................................................3
IMPORTANTSAFEGUARDS.......................................................................................................3
PACKAGECONTENTS...............................................................................................................4
SOFTWARE..............................................................................................................................4
MINIMUMSYSTEMREQUIREMENTS........................................................................................4
DESCRIPTIONS.........................................................................................................................5
THEORYOFOPERATION..............................................................................................5
STANDARDOPERATION...........................................................................................................6
TERMINALCONNECTORS.............................................................................................6
POWERINGTHEUNIT..................................................................................................7
010VOUTPUT(OPTIONAL).......................................................................................7
LCDDISPLAY............................................................................................................7
CALIBRATION...........................................................................................................................7
CALIBRATINGUSINGMODBUS....................................................................................7
CALIBRATINGUSINGGASLAB........................................................................................7
MANUALCALIBRATION...............................................................................................8
MODBUS/RS485.................................................................................................................10
INPUTREGISTERS....................................................................................................10
HOLDINGREGISTERS...............................................................................................10
DEVICESPECIFICATIONS.........................................................................................................11
SUPPORT...............................................................................................................................12
WARRANTY...........................................................................................................................12
RETURNS...............................................................................................................................12
LIABILITY...............................................................................................................................13
CONTACTUS..........................................................................................................................13
TR250Z Oxygen Transmitter – Manual
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Welcome
ThankyouforpurchasingtheTR250ZOxygenSensor.TheTR250Zisalonglife25%or95%
oxygenleveltransmitterthatprovidesmultipleanaloglinearoutputsofO2concentrations.It’s
designedtobearugged,maintenancefreeaddonforOEMsorcanbeusedasadesktopdevice.
Inaddition,itcanbecalibratedinnormalair,orcanuseacalibrationgasofanyknownoxygen
concentration.
Ourgoalistomakehighquality,lowcostgasdetectionandindoorairqualityproducts
availabletoyou.
Pleasetakesometimetoreadthroughthismanualinordertogetthemostoutofyourmeter.
Makesuretovisitourwebsiteregularlytofindmoreinformationaboutthisproductandto
downloadthesoftwarefree.Onceyoudownloadandinstallthesoftware,youcanusethe
“Checkforupdates”functionundertheHelpmenutosearchfornewupdates.Pleasealsopay
specialattentiontotheimportantsafeguardsshownonthepagesahead.
Important Safeguards
Toreducetheriskoffire,electricalshockand/orinjurytopersons,basicsafetyprecautionsshould
alwaysbefollowedwhenusingelectricalappliances,includingthefollowing:
1. READALLINSTRUCTIONSBEFOREUSINGTHISDEVICE!
2. Useonlythesuppliedpowersupplytooperatetheunit.
3. Ensurethatwhensamplinginaclosedenvironmentthatthetubesaresecurelyfashionedtothe
device.
4. Donotoperatewithablockedoffsamplepath.
5. Donotoperatethedeviceifitismalfunctioning.
6. Donotinstallthedeviceoutsideinexposedconditions.Duetothenatureofthedesignthe
enclosurecannotbemadewatertightandtheunitmustnotbeexposedtowater.
7. Donotoperatethedevicewiththecoverdetached.
SAVE THESE INSTRUCTIONS!
TR250Z Oxygen Transmitter – Manual
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Package Contents
Pleaseverifythatyourpackagecontainsthefollowingitemsbeforeusingtheunit:
Contents:
(1)Meter
(1)CertificateofCalibration
(1)UserManual
(1)Powersupply
(1)2MeterUSBtoRS485Cable
(1)ScreenBreather
Software
OurfreeGaslab®softwareletsyouautomatethecalibrationprocessaswellaslogdata.Whileitisnot
requiredtousethesensor,youmayfindituseful.ToinstallGaslab,gototheDownloads”page(see
linkbelow)atCO2Meter.com.Forgeneralinformationaboutthesoftware,refertotheGasLab®User
Manual.http://www.co2meter.com/pages/downloads
IMPORTANT:YOUMUSTINSTALLTHESOFTWAREBEFORECONNECTINGYOURDEVICETOYOURCOMPUTER
Byinstallingthesoftwarefirst,youwillensurethattheproperdriversareautomaticallyinstalledon
yourcomputerwhenyouplugintheUSBdeviceforthefirsttime.
Minimum System Requirements
Toutilizeourfreesoftware,yourcomputermustmeetthefollowingrequirements:
WindowsXPSP3orhigher
Microsoft.NetFramework3.5SP1
Pentium4(ornewer)operatingat2.4Ghzorfaster
1GBofRandomAccessMemory(RAM)
Harddiskspacewithatleast20Megabytes(MB)free(200+MBrecommendedforlogsand
applicationfiles)
Softwareiscompatiblewith64bitoperatingsystemsandisfullytestedwithWindows.
ToinstallGaslab,clickonthe“InstallNow”linkandthenselect“Run”whenpromptedbyyourbrowser
(asshownonError!Referencesourcenotfound.).Followthestepsandinstructionspromptedbyyour
computer’soperatingsystem.Makesureyouhaveadministratorprivilegesinordertoinstallthis
program.
TR250Z Oxygen Transmitter – Manual
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Descriptions
DisplayMaininterfacetoviewcurrentsensorreadingsandmenustate.Willblink“STRT”upon
applyingpowerwhilethesensorwarmsupandstabilizes.
LEDsareinforlowerrightcorneroftheunitonthemainPCBandarelabeledS,EandP.
SLEDStatusLED.Blinkseverytimeacompletemeasurementcycleisperformedandthevalueis
updated.Serve’sasaheartbeatfortransmitteroperation.
ELEDErrorLED.Willlightifanyabnormalconditionsaredetectedwithinthedevice,primarilythe
sensorfallingoutofitsrecommendedoperatingspecificationswilltriggerthislamp.
PLEDPowerLED.Willbeoncontinuouslywhenpowerisappliedtotheunit.
Buttons‐TheunithasthreesurfacemountbuttonsabovetheLEDsonthePCB.Theycanbegentlyand
carefullypressedwithyourfinger.Thesebuttonsallowyoutoaccessallaspectsofsensorsoperation
andtestorcalibratedifferentfunctionalmodules.
Theory of Operation
Thezirconiaoxygensensorutilizessolidstateelectrochemicalreactionstoproduceavoltage
proportionaltothecurrentoxygen.Thisvoltageisthendigitalizedandfilteredtoausablevalue.The
oxygensensorhasalsobeenfactorycalibratedtomeetspecifications.
TR250Z Oxygen Transmitter – Manual
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Standard Operation
TheO2transmitterscomesfactorycalibratedforeasyinstallation.Duringitslifecyclecalibrationmay
becomeperiodicallynecessary.WerecommendperformingaspanO2calibrationeverymonthfor
guaranteedoperationandensuredaccuracy.Noothercalibrationisnecessaryduringthelifecycleofthe
sensor.
Terminal Connectors
1. VDC=G‐G+
2. O2420mA=SIGGND
3. RS485INTERFACE=ABGND
4. RESET=RST
TR250Z Oxygen Transmitter – Manual
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Powering the Unit
Theunitcanbepoweredbyhardwiring24VDCpowerthroughtheMDCM4FP2MCable(included)but
samplingunitscanalsobepoweredbytheincluded24VDCInternationalwallpowersupply.
0-10V Output (Optional)
Togeta10voltspan(210voltinpractice)froma420mAline,adda500ohmresistorfromsignalto
ground.500ohmsx.004amps=2voltsand500ohmsx.020amps=10volts.
Installtheresistoratthereceivingend,asthiseliminatesallvoltagedropsfromresistanceinthewire.
420mAand210Vareusedsoitcanbedeterminedifthetransmitterisactuallypresent.Lessthan4mA
or2V:notransmitter,notconnectedornosignal.
LCD Display
TheLiquidCrystalDisplay(LCD)screenshowsthefollowingfeatures:
CO2inpercentageformat(##.##%)for100%
Calibration
Thecalibrationprocessvariesdependingonthetypeofunitandwhetherithasoptionaldatalogging
functionalityornot.Allunitsarefactorycalibratedwithmultiplereferencepointsofgas,andhavebeen
verifiedtobeaccuratewithintheirspecificfunctionalitybeforeshipment.However,iftheunitis
severelyjoltedorotherwisemechanicallydisturbed,thesensorcandriftrequiringrecalibration.All
calibrationproceduresfollowasinglepointcalibrationroutinethateffectivelyshiftsthezeropointof
theO2sensor.
CalibrationmaybeperformedviaMODBUS,manually,orbyaUSBconnectiontoaPCrunningGasLab®
software.
Calibrating using MODBUS
CalibrationviaMODBUSrequiresanRS485cableandassumesknowledgeofpropercoding.Register
valuesarelistedattheendofthismanual.
Calibrating using Gaslab
InstalltheGaslabsoftwarefirst,thenconnectthesensortoyourPCusingastandardminiUSBcable.
Calibrationcanbeperformedusingeither0%CO2calibrationgas(typicallynitrogen)orusingafresh
sourceofair,assumedtobeapproximately20.9%O2.
Followtheonscreenpromptsspecifictoyoursensortoperformthecalibration.
TR250Z Oxygen Transmitter – Manual
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Manual Calibration
Manualcalibrationisperformedusingthe3onboardbuttonsandtheservicemenuonthedisplay.To
entertheservicemenuthebuttonsmustbepressedinafactorysetorder.Thiscodecanbecustomized
beforeshipmentbutbydefaultwillbe123.Thebuttonsmustbepressedwithinahalfsecondofeach
other,ortheunitwillreturntostandardoperatingmode.Whenintheservicemenutheunitwillnot
updatethecurrentO2readings.Onceyouenterthemenuthedisplaywillread“1234”orfor1second,
thentheProductIdentificationCodewillbedisplayed.Thiscodeisimportant,asitwillidentifywhich
manualcalibrationprocedurebelowyoushoulduse.
Product Identification Code
Afterpressingbuttons123,theunitwilldisplay“1234”,followedbya4digitProductIdentification
Code(PIC).Youmustknowyoursensor’sPICtoproperlycalibrate.
1. IfthePICis“1195”or“1225”,followthe1195/1225CalibrationProcedure
2. IfthePICis“1295”or“1395”,followthe1295/1395CalibrationProcedure
1195/1225/1425 Calibration
Procedure
Fresh Air Calibration
1. Allowsensortostabilizeforatleast1hour
2. Ensurethesensorisexposedtofreshair
3. Press123toentertheservicemenu.Thedisplaywillflash1234andthePIC
4. Press2toentertheOxygensubmenu
5. Press2againtostartthecalibration
6. Press3toSave.
Note:Steps36mustbedonequicklyorthesensorwillexitthecalibrationmode.Youcanminimizethis
byrememberingthesequence123223toperformmanualfreshaircalibration.
Zero Point Calibration using 100% Nitrogen
1. Allowsensortostabilizeforatleasthour
2. Apply100%NitrogenCalibrationGastoSensor
3. Wait5minutesforstablereadings
4. Press123toenterservicemenu.Thedisplaywillflash1234andthePIC
5. Press2toentertheOxygensubmenu
6. Press1tocalibrateto100%Nitrogen
7. Press3toSave.Nonumberswillbedisplayeduntilthesensorisexposedtooxygenagain
Note:Steps4‐7mustbedonequicklyorthesensorwillexitthecalibrationmode.Youcanminimize
thisbyrememberingthesequence123213toperformmanualfreshaircalibration.
TR250Z Oxygen Transmitter – Manual
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1295/1395/1495 Calibration
Procedure
Fresh Air Calibration
1. Allowsensortostabilizeforatleast1hour
2. Ensurethesensorisexposedtofreshair
3. Press123toentertheservicemenu.Thedisplaywillflash1234andthePIC
4. Press2toentertheOxygensubmenu
5. Press1tostartthecalibration
6. Press3toSave.
Note:Steps36mustbedonequicklyorthesensorwillexitthecalibrationmode.Youcanminimizethis
byrememberingthesequence123213toperformmanualfreshaircalibration.
Span Calibration using 70% Oxygen (optional)
Toperformaspancalibration,only70%oxygengascanbeused.Ifyoudonothave70%O2testgas,do
notattemptaspancalibration.
1. Allowsensortostabilizeforatleasthour
2. Apply705OxygenCalibrationGastoSensor
3. Wait5minutesforstablereadings
4. Press123toenterservicemenu.Thedisplaywillflash1234andthePIC
5. Press2toentertheOxygensubmenu
6. Press2tocalibrateto70%Oxygen
7. Press3toSave.Nonumberswillbedisplayeduntilthesensorisexposedtooxygenagain
Note:Steps4‐7mustbedonequicklyorthesensorwillexitthecalibrationmode.Youcanminimize
thisbyrememberingthesequence123223toperformmanualfreshaircalibration.
TR250Z Oxygen Transmitter – Manual
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Modbus / RS-485
ThesensorsupportMODBUSprotocolsoverRS485,unidirectionaltransmissionat9600kbps.Address0
orFE.
ThefollowingModbusregistersareavailable:
Input Registers
1. O2Value,x10
2. RawADCValue
Holding Registers
1. O2SpanValue(4bytefloatingnumber,part1)
2. O2SpanValue(4bytefloatingnumber,part2)
3. O2PotValue
4. 420mAoutputZeroValue
5. 420mAoutputSpanValue(4bytefloatingnumber,part1)
6. 420mAoutputSpanValue(4bytefloatingnumber,part2)
7. ControlRegister
8. StatusRegister
Thefollowingcommandsareavailable:
0x03ReadHoldingRegister
0x04ReadInputRegister
0x06WriteHoldingRegister
TR250Z Oxygen Transmitter – Manual
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Device Specifications
MeasuringRange:
25%O2 025%vol.
95%O2 095%vol.
Repeatability:
025%CO2 ±0.05%,±1%of measuredvalue
095%O2 ±0.02%,±1%of measuredvalue
Accuracy
25%/95%±2%fullscale
PowerSupply:
MaximumVoltage 24VDC
MinimumVoltage 20VDC
PowerConsumption 600mA@24VDC
SensorRatings:
LifeExpectancy >15years
MaintenanceInterval Nomaintenancerequired
WarmupTime <15min(instantmeasurements)
Outputs:
O2OutputValue420mA,linearlyscaled
210VDCOptional
RS485 ModbusInterface
TR250Z Oxygen Transmitter – Manual
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Support
Thequickestwaytoobtaintechnicalsupportisviaemail.Pleasesendallsupportenquiresto
[email protected].Inyouremail,pleaseincludeaclear,concisedefinitionoftheproblemandany
relevanttroubleshootinginformationorstepstakensofar,sowecanduplicatetheproblemandquickly
respondtoyourinquiry.
Warranty
Thisunitcomeswitha90-day limitedmanufacturer’swarranty,startingfromthedatetheunitwas
shippedtothebuyer.
Duringthisperiodoftime,CO2Meter.comwarrantsourproductstobefreefromdefectsinmaterials
andworkmanshipwhenusedfortheirintendedpurposeandagreestofixorreplace(atourdiscretion)
anypartorproductthatfailsundernormaluse.Totakeadvantageofthiswarranty,theproductmustbe
returnedtoCO2Meter.comatyourexpense.If,afterexamination,wedeterminetheproductis
defective,wewillrepairorreplaceitatnoadditionalcosttoyou.
Thiswarrantydoesnotcoveranyproductsthathavebeensubjectedtomisuse,neglect,accident,
modificationsorrepairsbyyouorbyathirdparty.NoemployeeorresellerofCO2Meter.com’sproducts
mayalterthiswarrantyverballyorinwriting.
Returns
Iftheproductfailsundernormaluseduringthewarrantyperiod,anRMA(ReturnMaterial
Authorization)numbermustbeobtainedfromCO2Meter.com.Aftertheitemisreceived,
CO2Meter.comwillrepairorreplacetheitematourdiscretion.
ToobtainanRMAnumber,pleasecallCO2Meter.comat(877)6784259.WhenrequestinganRMA
number,pleaseprovidethereasonforreturnandoriginalordernumber.
Ifwedeterminethattheproductfailedduetoimproperuse(waterdamage,dropping,tampering,
electricaldamageetc.)orabuse,orifitisbeyondthewarrantyperiod,wewillinformyouofthecostto
fixorreplaceyourdevice.
Ifyouarereturningyourdeviceduetoawarrantyclaim(withanRMAnumber)andyoustillhavethe
unitoriginalpackage,pleaseuseittoshipyourunittous.Pleasemakesuretoincludetheprovided
RMAnumberontheoutsideofthebox,preferablyontheshippinglabel.Makesureyousecuretheunit
insidethepackageproperlytopreventanydamageduringtransitthatcouldvoidyourdevice’s
warranty.Finally,pleaseshipyourdevicetotheaddressshownunderthe“ContactUs”sectionbelow.
CO2Meter.comwillnot,underanycircumstances,beresponsibleforyourshipmentexpensesandno
refundwillbeissuedforshippingchargesnecessaryforyoutoshiptheunittous.
TR250Z Oxygen Transmitter – Manual
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Liability
Allliabilitiesunderthisagreementshallbelimitedtotheactualcostoftheproductpaidto
CO2Meter.com.InnoeventshallCO2Meter.combeliableforanyincidentalorconsequentialdamages,
lostprofits,lossoftime,lostsalesorlossordamagetodata,injurytopersonorpersonalpropertyor
anyotherindirectdamagesastheresultofuseofourproducts.
Contact Us
Weareheretohelp!
Ifthetroubleshootingguideabovedoesn’thelpyousolvingyourproblemorformoreinformation,
pleasecontactususingtheinformationbelow.
(877) 6784259Tollfree(MF9:00am–6:00pmEST)
(866) 4222356
www.co2meter.com
Address:
CO2Meter
131BusinessCenter
BuildingA,Unit3
OrmondBeach,FL32174
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CO2METER COM TR250Z User manual

Type
User manual

CO2METER COM TR250Z is a long-life oxygen level transmitter that offers multiple analog linear outputs of O2 concentrations. Designed for ruggedness and low maintenance, it's ideal as an OEM add-on or desktop device. Calibrate in normal air or with a calibration gas of any known oxygen concentration.

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