HK Instruments CMT Series User manual

Copyright HK Instruments 2019 www.hkinstruments. Installaon version 5.0 2019
INSTALLATION
INSTRUCTIONS
CARBON MONOXIDE TRANSMITTERS
CMT Series
• READ THESE INSTRUCTIONS CAREFULLY BEFORE
ATTEMPTING TO INSTALL, OPERATE OR SERVICE THIS
DEVICE.
• Failuretoobservesafetyinformaonandcomplywith
instruconscanresultinPERSONALINJURY,DEATHAND/OR
PROPERTY DAMAGE.
• Toavoidelectricalshockordamagetoequipment,disconnect
powerbeforeinstallingorservicinganduseonlywiringwith
insulaonratedforfulldeviceoperangvoltage.
• Toavoidpotenalreand/orexplosiondonotuseinpotenally
ammableorexplosiveatmospheres.
• Retaintheseinstruconsforfuturereference.
• Thisproduct,wheninstalled,willbepartofanengineered
systemwhosespecicaonsandperformancecharacteriscs
arenotdesignedorcontrolledbyHKInstruments.Review
applicaonsandnaonalandlocalcodestoassurethatthe
installaonwillbefunconalandsafe.Useonlyexperiencedand
knowledgeabletechnicianstoinstallthisdevice.
SPECIFICATIONS
Thank you for choosing an HK Instruments CMT series carbon
monoxide transmier. CMT is an easy-to-use, reliable transmier
fordetecngCOgas.Itiscommonlyusedtocontrolvenlaonin
areas where high concentraons of CO may cause serious health
problems.
CMTdevicesarecommonlyusedinplaceswhereairincludesCOgas
emissions,suchas:
•Commercialparkinggarages
•Apartmentgarages
•Tunnelsandterminals
•Carandbusmaintenancegarages
•Warehousesandfactories
•Carservicecenters
SPECIFICATIONS
Performance
Measurement range:
0...300ppmCO
Linearity:
≤2%on300ppmCO
Cross sensivity:
≤2%on300ppmCO
Reproducibility:
≤3ppm
Technical Specicaons
Response me:
<60 s
Gas entry:
bydiusion
Measuring element:
Electro-chemical
Environment:
Operangtemperature:-10...40°C
Humidity:15to95%rH
Physical
Case:
Dimensions:90x95x36mm
Weight:87g
Materials:
Case:ABS
Lid:PC
Protecon standard:
IP54
Electrical connecons:
2-polescrewterminal,max1.5mm2
Cable entry:
M16
Electrical
Supply voltage:
14...28VDC
Output signal:
4...20mA,maximumload300Ω
Conformance
Safetyforsensor:
TÜV-approvalaccordingtoVDI2053
R.F.IaccordingtoEN50081-1resp.EN50082-2B
MeetstherequirementsforCEmarking:
EMCDirecve:2014/30/EU
RoHSDirecve:2011/96/EU
WEEEDirecve:2012/19/EU
INTRODUCTION WARNING
APPLICATIONS
COMPANY WITH
MANAGEMENT SYSTEM
CERTIFIED BY DNV GL
= ISO 9001 = ISO 14001 =
RoHS 2
2011/65/EU
Therecommendedtransmiercalibraonintervalisoneyear.

Copyright HK Instruments 2019 www.hkinstruments. Installaon version 5.0 2019
DIMENSIONAL DRAWINGS STEP 2: WIRING DIAGRAMS
Figure 1a - Surface mounng
STEP 1: MOUNTING THE DEVICE
1)Mountthedeviceinthedesiredlocaon(seestep1).
Recommendedmounngheightis1.5…1.8mabovetheoor.
2)Openthelidandroutethecablethroughthestrainreliefand
connectthewirestotheterminalblock(s)(seestep2).
3)Thedeviceisnowreadytobeused.
WARNING!Applypoweronlyaerthedeviceisproperlywired.
1)Selectthemounnglocaon.Recommendedmounng
heightis1.5…1.8mabovetheoor.Recommended
mounngheightis1.5…1.8mabovetheoor.
2)Usethedeviceasatemplateandmarkthescrewholes.
3)Mountwithappropriatescrews.
Figure 1b - Mounng orientaon
53
77
90
71.5
O 4.3
36
95
YES NO NO
INSTALLATION
ForCEcompliance,aproperlygroundedshieldingcableisrequired.
1)Unscrewthestrainreliefandroutethecable(s).
2)Connectthewiresasshowningure2.
3)Tightenthestrainrelief.
Figure 2 - Wiring diagram
A4–20 mA
4–20 mA
+Power supply
14...28 VDC
WARRANTY POLICY
Thesellerisobligatedtoprovideawarrantyofveyearsforthedeliv-
eredgoodsregardingmaterialandmanufacturing.Thewarrantyperiod
isconsideredtostartonthedeliverydateoftheproduct.Ifadefect
inraw materials or aproduconawisfound, theseller is obligated,
whentheproductissenttothesellerwithoutdelayorbeforeexpira-
onofthewarranty,toamendthemistakeathis/herdiscreoneither
byrepairingthedefecveproductorbydeliveringfreeofchargetothe
buyeranewawlessproductandsendingittothebuyer.Deliverycosts
fortherepairunderwarrantywillbepaidbythebuyerandthereturn
costsbytheseller.Thewarrantydoesnotcomprisedamagescausedby
accident, lightning, ood or other natural phenomenon, normal wear
andtear,improperorcarelesshandling,abnormaluse,overloading,im-
properstorage,incorrectcareorreconstrucon,orchangesandinstal-
laonworknotdonebythesellerorhis/herauthorizedrepresentave.
Theseleconofmaterialsfordevicespronetocorrosionisthebuyer’s
responsibility,unlessotherwiseislegallyagreedupon.Shouldtheman-
ufactureralterthestructureofthedevice,thesellerisnotobligatedto
makecomparablechangestodevicesalreadypurchased.Appealingfor
warranty requires that the buyer hascorrectly fullledhis/herdues
arisenfromthedeliveryandstatedinthecontract.Thesellerwillgive
anewwarrantyforgoodsthathavebeenreplacedorrepairedwithin
thewarranty,howeveronlytotheexpiraonoftheoriginalproduct’s
warrantyme.Thewarrantyincludestherepairofadefecvepartor
device, orifneeded,anew part ordevice, but notinstallaonorex-
change costs. Under no circumstance is the seller liable for damages
compensaonforindirectdamage.
RECYCLING/DISPOSAL
The parts le over from installaon should be
recycled according to your local instrucons.
Decommissioned devices should be taken to a
recyclingsitethatspecializesinelectronicwaste.