HK Instruments FloXactTM-R100 User manual
- Type
- User manual
HK Instruments FloXactTM-R100 is a specialized measurement probe designed to accurately measure airflow in round ventilation ducts. It is commonly used in conjunction with a DPT-Flow transmitter to provide reliable airflow readings. The FloXactTM-R100 is particularly suitable for round ducts with diameters ranging from 100 to 1200 mm. Its compact size and easy installation make it a practical solution for various ventilation systems. The probe features multiple pressure inlets, allowing for precise airflow measurement even in ducts with complex airflow patterns.
HK Instruments FloXactTM-R100 is a specialized measurement probe designed to accurately measure airflow in round ventilation ducts. It is commonly used in conjunction with a DPT-Flow transmitter to provide reliable airflow readings. The FloXactTM-R100 is particularly suitable for round ducts with diameters ranging from 100 to 1200 mm. Its compact size and easy installation make it a practical solution for various ventilation systems. The probe features multiple pressure inlets, allowing for precise airflow measurement even in ducts with complex airflow patterns.
Copyright HK Instruments 2023 www.hkinstruments. Installaon version 4.0 2023
INSTALLATION
INSTRUCTIONS
Measurement probe
FloxactTM
• READ THESE INSTRUCTIONS CAREFULLY BEFORE
ATTEMPTING TO INSTALL, OPERATE OR SERVICE THIS
DEVICE.
• Failuretoobservesafetyinformaonandcomplywith
instruconscanresultinPERSONALINJURY,DEATHAND/OR
PROPERTY DAMAGE.
• Toavoidelectricalshockordamagetoequipment,disconnect
powerbeforeinstallingorservicinganduseonlywiringwith
insulaonratedforfulldeviceoperangvoltage.
• Toavoidpotenalreand/orexplosiondonotuseinpotenally
ammableorexplosiveatmospheres.
• Retaintheseinstruconsforfuturereference.
• Thisproduct,wheninstalled,willbepartofanengineered
systemwhosespecicaonsandperformancecharacteriscs
arenotdesignedorcontrolledbyHKInstruments.Review
applicaonsandnaonalandlocalcodestoassurethatthe
installaonwillbefunconalandsafe.Useonlyexperiencedand
knowledgeabletechnicianstoinstallthisdevice.
To measureair ow accurately in a venlaonduct, use a special
FloXact™measurementprobetogetherwithaDPT-Flowtransmit-
ter.
TherearetwoFloXact™modelsavailable:RmodelforroundductsandLforrectangularducts.Inordertoachievethebestaccuracy,itis
recommendedtousetwoFloXact™-Lprobesiftheheightofarectangularductismorethan350mm,threeprobesiftheductsizeis700mmor
more,andfourprobesiftheductsizeis1000mmormore.
FloXact™-R modelsavailable:100,125,160,200,250,315,400and450andallotherstandardroundductsizesupto1200mm.
FloXact™-L modelsavailable:250,300…1200(50mmsteps)
Lengthoftheprobe(L)isdenedbythewidth(W)oftheduct.(Seestep5).
Othersizesareavailableonrequest.
Example:
fora160mmroundduct,chooseFloXact-R160probe,andfora500x400mmrectangularduct,choosetwoFloXact-L500probes.
step 2: SELECTING THE CORRECT DPT-FLOW MODEL
INTRODUCTION
STEp 1: SELECTING THE CORRECT FLOXACTTM PROBE
WARNING
ItisrecommendedtouseDPT-Flow-1000-AZ-DmodelwithFloXactTMprobesbecausedynamicductpressureisrarelyover500Pa.Typical
pressurerangeinavenlaonductis0…250Pa.
ThemeasurementrangeofDPT-Flow-1000-AZ-Dis0...1000Pa.
Copyright HK Instruments 2023 www.hkinstruments. Installaon version 4.0 2023
STEP 3: INSTALLATION - MOUNTING THE PROBE MOUNTING THE PROBE continued
Figure 1 - Mounng
Figure 2 - Air ow direcon
1)CheckthatthesizeoftheFloXact™probecorrespondswiththe
ductorterminaltowhichitisgoingtobeinstalled.
2)Drillaø25mmholeintotheduct
3)PlacetheFloXact™probe(s)intotheductthroughthehole.
6)ConnectthetubesfromtheFloXact™pressureinletstotheinletin
thepressuretransmier.Connecttheplustubetotheplusinletand
theminustubetotheminusinlet.
• IfmorethanoneFloXactTMprobesused,uset-hoseconnectorto
connecttubesfromseparateprobes.
5)Aachtheprobe(s)intotheductwithtwoscrews.
Figure 3 - Aaching with screws
• Forroundducts,werecommendinstallingtheFloXact™probe
horizontallyintheduct.
4)Checkthatairowdireconintheductcorrespondswiththe
indicaonontheFloXact™probe.
Figure 4
FloXactTM-Lmounng
FloXactTM-Rmounng
When do I need more than one probe? – Check step 1.
• Fornonstandardapplicaons,pleasecontactyournearest
distributororthefactory.
FloXactTM-Rmounngwithtwoprobes.
Copyright HK Instruments 2023 www.hkinstruments. Installaon version 4.0 2023
STEP 4: CORRECT POSITIONING OF THE PROBE
Figure 5 - Correct posioning of the probe: minimum straight duct approach
Roundducts:
D=ductdiameter
Rectangularducts:
Ifthereisahorizontalcurveorchangeintheductsize,D=widthoftheduct
Ifthereisavercalcurveorchangeintheductsize,D=heightoftheduct
Copyright HK Instruments 2023 www.hkinstruments. Installaon version 4.0 2023
Thesellerisobligatedtoprovideawarrantyofveyearsforthedeliv-
eredgoodsregardingmaterialandmanufacturing.Thewarrantyperiod
isconsideredtostartonthedeliverydateoftheproduct.Ifadefect
inrawmaterialsora producon aw isfound, theseller isobligated,
whentheproductissenttothesellerwithoutdelayorbeforeexpira-
onofthewarranty,toamendthemistakeathis/herdiscreoneither
by repairing the defecve product or by delivering free of charge to
thebuyeranewawlessproductandsendingittothebuyer.Delivery
costsfortherepairunderwarrantywillbepaidbythebuyerandthe
return costs by the seller. The warranty does not comprise damages
causedbyaccident,lightning,oodorothernaturalphenomenon,nor-
malwearandtear,improperorcarelesshandling,abnormaluse,over-
loading,improperstorage,incorrectcareorreconstrucon,orchanges
andinstallaonworknotdonebytheseller.Theseleconofmaterials
fordevicespronetocorrosionisthebuyer’sresponsibility,unlessother-
wiseislegallyagreedupon.Shouldthemanufactureralterthestructure
ofthedevice,thesellerisnotobligatedtomakecomparablechanges
todevicesalreadypurchased.Appealingforwarrantyrequiresthatthe
buyerhascorrectlyfullledhis/herduesarisenfromthedeliveryand
stated in the contract. The seller will give a new warranty for goods
thathavebeenreplacedorrepairedwithinthewarranty,howeveronly
totheexpiraonoftheoriginalproduct’swarrantyme.Thewarranty
includestherepairofadefecvepartordevice,orifneeded,anewpart
ordevice,butnotinstallaonorexchangecosts.Undernocircumstance
isthesellerliablefordamagescompensaonforindirectdamage.
STEP 5: Selecting the kv value
WARRANTY POLICY
Figure 6 - Rectangular duct
InFloXact™-RmodelsthereisonlyoneKVvalueanditreadsonthelabeloftheprobe.FortheFloXact™-LKVvaluemustbedeterminedbydimen-
sions(widthandheight)oftheduct.
RECYCLING/DISPOSAL
The parts le over from installaon should be
recycled according to your local instrucons.
Decommissioned devices should be taken to a
recyclingsitethatspecializesinelectronicwaste.
Theairvolumecanbedeterminedwiththe
followingformula:
Q = KV x √Pfs
Q=airvolumeinl/s
K
V=KVvalueinl/s/Pa
Pfs=pressuredierence
measuredbytheFloXactsck
in Pa
Thetableisforairwith1.20kg/m3density
(20°C,50%rHand1013mbar).
TheK-valuefordierentdensiesisdeter-
minedwiththefollowingformula:
CorrectedK-value=Kv*√(ρ/1.20)
K-factor=921xBx(H-0,025n)l/s
B=ductwidthinmeter
H=ductheightinmeter
n=numberofFloXactused
Forintermediatesizes,contactouroce.
Figure 7 - Round duct
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HK Instruments FloXactTM-R100 User manual
- Type
- User manual
HK Instruments FloXactTM-R100 is a specialized measurement probe designed to accurately measure airflow in round ventilation ducts. It is commonly used in conjunction with a DPT-Flow transmitter to provide reliable airflow readings. The FloXactTM-R100 is particularly suitable for round ducts with diameters ranging from 100 to 1200 mm. Its compact size and easy installation make it a practical solution for various ventilation systems. The probe features multiple pressure inlets, allowing for precise airflow measurement even in ducts with complex airflow patterns.
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