HK Instruments DPT-Priima-MOD User manual
- Type
- User manual
HK Instruments DPT-Priima-MOD is a multifunctional high-accuracy transmitter for measuring volume flow, velocity, and static and differential pressure. It is designed for cleanrooms and other demanding applications where precise measurements are crucial. The device offers automatic zero point calibration, eliminating the need for manual adjustments. With its Modbus communication capabilities, the DPT-Priima-MOD can be easily integrated into various systems, allowing for remote monitoring and configuration.
HK Instruments DPT-Priima-MOD is a multifunctional high-accuracy transmitter for measuring volume flow, velocity, and static and differential pressure. It is designed for cleanrooms and other demanding applications where precise measurements are crucial. The device offers automatic zero point calibration, eliminating the need for manual adjustments. With its Modbus communication capabilities, the DPT-Priima-MOD can be easily integrated into various systems, allowing for remote monitoring and configuration.
Copyright HK Instruments 2022 www.hkinstruments. Installaon version 1.0 2022
INSTALLATION
INSTRUCTIONS
DIFFERENTIAL PRESSURE TRANSMITTERS
DPT-Priima-MOD Series
• 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.
Thank youforchoosinganHK Instruments DPT-Priima-MOD series
transmier.DPT-Priima-MODisamulfunconalhighaccuracytrans-
mierformeasuringvolumeow,velocity,andstacanddierenal
pressure.Itisdesignedforcleanroomsandotherdemandingapplica-
ons.Themeasurementscanbereadandtheconguraondonevia
Modbuscommunicaon.DPT-Priima-MODcanalsobeusedwithsev-
eraldierentmeasurementprobessuchasFloXact™orpitottube,and
airdampers.
DPT-Priima-MODmodelscomewithalocaldisplayandanautomac
zeropointcalibraon.Calibraoncercateavailableasanopon.
DPT-Priima-MODiscommonlyusedinapplicaonsrequiringhigh
measurementaccuracy:
•monitoringpressureincleanrooms
•monitoringpressuredierenceacrossthebuildingenvelope
•monitoringpressureandow
SPECIFICATIONS
Performance
Measurement ranges:
±120 Pa*, ±240 Pa, ±620 Pa, ±1240 Pa, ±2490 Pa
(selectableviamenuormodbus)
*defaultrange
Accuracy (at applied pressure):
0.4 % ±0.4 Pa
(Including:generalaccuracy,linearity,hysteresis,long
termstability,andrepeonerror)
Overpressure:
Proofpressure:10kPa
Burstpressure:30kPa
Zero point calibraon:
Automacautozero,manualpushbuonorviaModbus
register
Response me:
0.4−20s,selectableviamenuorviaModbusregister
(63%ofthechange)
Communicaon
Protocol:MODBUSoverSerialLine
TransmissionMode:RTU
Interface:RS485
Byteformat(11bits)inRTUmode:
CodingSystem:8-bitbinary
BitsperByte:
1 start bit
8databits,leastsignicantbitsent
rst
1bitforparity
1stopbit
Baudrate:selectableinconguraon
Modbusaddress:1−247addressesselectablein
conguraonmenu
Technical Specicaons
Media compability:
Dryairornon-aggressivegases
Pressure units (select via menu):
Pa,kPa,mbar,inWC,mmWC,psi
Flow units (select via menu):
Volume:m3/s,m3/h,cfm,l/s
Velocity:m/s,/min
Measuring element:
MEMS,noow-through
Environment:
Operangtemperature:-5...50°C
Temperaturecompensatedrange0...50°C
Storagetemperature:-40...70°C
Humidity:0to95%rH,noncondensing
Physical
Dimensions:
Case:102.0x71.5x36.0mm
Weight:
150g
Mounng:
2each4.3mmscrewholes,onesloed
Materials:
Case:ABS
Lid:PC
Pressurengs:Brass
Tubing:Silicone
Protecon standard:
IP54
Display
2-linedisplay(12characters/line)
Line1:Volumeorvelocitymeasurement
Line2:Pressuremeasurement
Size:46.0x14.5mm
Electrical connecons:
4-screwterminalblock
Wire:0.2–1.5mm2(16–24AWG)
Cable entry:
Strainrelief:M16
Knockout:16mm
Pressure ngs
Maleø5.2mm
+Highpressure
-Lowpressure
Electrical
Supply voltage:
24 VAC or VDC ± 10 %
Power consumpon:
<1W
<2.2WduringAZ-calibraon
Output signal:
viaModbus
Conformance
Meetsrequirementsfor:
CE: UKCA:
EMC: 2014/30/EU S.I.2016/1091
RoHS: 2011/65/EU S.I.2012/3032
WEEE: 2012/19/EU S.I.2013/3113
APPLICATIONS
INTRODUCTION WARNING
RoHS
COMPLIANT
Copyright HK Instruments 2022 www.hkinstruments. Installaon version 1.0 2022
DPT
SCHEMATICS
DIMENSIONAL DRAWINGS
Figure 1a - Surface mounng
MOUNTING THE DEVICE CONTINUED
Figure 1b - Mounng orientaon
Figure 1c - Applicaon connecons
Connecon for display
Terminal block
Menu buons
ZERO
A
24 V
GND
SELECT
UP
DOWN
B
A
BPressure sensor
Led
DPT
4.3
Thepressuretubesareconnectedtoaowmeasurementprobe(i.e.FloXact),ortothe
measurementportsspeciedbythefanmanufacturer.PleaseseetheFloXactinstallaon
guideorthefanmanufacturer’stechnicalspecicaonsformoreinformaon.
YES NO NO
INSTALLATION
1)Mountthedeviceinthedesiredlocaon(seestep1).
2)Openthelidandroutethecablethroughthestrainreliefand
connectthewirestotheterminalblock(s)(seestep2).
3)Thedeviceisnowreadyforconguraon.
WARNING!Applypoweronlyaerthedeviceisproperlywired.
STEP 2: WIRING DIAGRAMS
ForCEcompliance,aproperlygroundedshieldingcableisrequired.
1)Unscrewthestrainreliefandroutethecable.
2)Connectthewiresasshowningure2.
3)Tightenthestrainrelief.
ItisrecommendedtouseshieldedtwistedpaircableforModbuscabling.
Thecableshieldmustbeearthedonlyinonepoint,normally,attheendof
themaincable.
Figure 2 - Wiring diagram
B
A
24 V
GND
+ Power supply
24 VDC / 24 VAC
Modbus
STEP 1: MOUNTING THE DEVICE
1)Selectthemounnglocaon(duct,wall,panel).
2)Usethedeviceasatemplateandmarkthescrewholes.
3)Mountwithappropriatescrews.
Pressure
Flow
Static pressure Filter/Damper
monitoring
Fan/Blower
monitoring
Not
connected
Copyright HK Instruments 2022 www.hkinstruments. Installaon version 1.0 2022
CONFIGURATION CONTINUED
STEP 3: CONFIGURATION
3)If
Commonprobe
selected:selectmeasurementunitsusedinthe
formula(akaFormulaunit)(i.e.l/s)
NOTE:Theowunit
none
isselectedbydefaultandthedisplay
showsonlythepressurereading.
1)AcvatethedeviceMenubypushingtheselectbuon
for2seconds
2)Selectthefunconingmodeoftheowmeter:
-Select
Manufacturer
whenconnecngDPT-Priima-MODtoa
fanwithpressuremeasurementpoints
-Select
Commonprobe
whenusingDPT-Priima-MODwitha
commonmeasurementprobethatfollowstheformula:
q=k∙√∆P
(i.e.FloXact)
MANUFACTURER
Common probe
SELECT
UP
DOWN
Common probe Flakt Woods
SELECT
UP
DOWN
FORMULA UNIT
l/s
SELECT
UP
DOWN
4)SelectK-value
a.Ifmanufacturerselectedinstep2:
EachfanhasaspecicK-value.SelecttheK-valuefromfanmanufac-
turer’sspecicaons.
Manufacturer: K-value:
Fläktwoods k=0.3...99
Rosenberg k=37...800
Nicotra-Gebhardt k=50...4700
Comefri k=10...2000
Ziehl k=10...1500
ebm-papst k=10...1500
Gebhardt k=50...4700
Nicotra k=50...5300
8)Responseme:Selectresponsemebetween0.4–20s.
RESPONSE TIME
20 s
SELECT
UP
DOWN
12)Pushselectbuontosavechangesandtoexitmenu.
SELECT
EXIT MENU
SELECT
b. If
Commonprobe
selectedinstep1:
Each common probe has a specic K-value. Select the K-value from
commonprobemanufacturer’sspecicaons.
AvailableK-valuerange:0.001...9999.000.
K-VALUE
9000.000
SELECT
UP
DOWN
9)SelecttheaddressforModbus:1...247.
10)Selectthebaudrate:9600/19200/38400.
ADDRESS
99
SELECT
UP
DOWN
BAUD RATE
9600
SELECT
UP
DOWN
11)Selecttheparitybit:None/Even/Odd.
PARITY BIT
NONE
SELECT
UP
DOWN
STEP 4: ZEROING THE DEVICE
NOTE! Always zero the device before use.
Tozerothedevicethreeoponsareavailable:
1)Autozerocalibraon(manualzeroingnotrequired)
2)ManualPushbuonzeropointcalibraon
3)ViaModbusregister
1)Autozerocalibraon
Autozerocalibraon(-AZ)isanautozerofunconintheformofan
automaczeroingcircuitbuiltintothePCBboard.Theautozerocali-
braonelectronicallyadjuststhetransmierzeroatpredetermined
meinter vals(every10minutes).Thefunconeliminatesalloutput
signaldriduetothermal,electronicormechanicaleects,aswellas
theneedfortechnicianstoremovehighandlowpressuretubeswhen
performinginialorperiodictransmierzeropointcalibraon.The
autozeroadjustmenttakes4secondsaerwhichthedevicereturnsto
itsnormalmeasuringmode.Duringthe4secondadjustmentperiod,
theoutputanddisplayvalueswillfreezetothelatestmeasuredvalue.
Transmiersequippedwiththeautozerocalibraonarevirtuallymain-
tenancefreeandmanualzeroingisnotrequired.
5)Selectpressureunitfordisplay:Pa,kPa,mbar,inWC,mmWC,psior
none.
PRESS.UNIT
Pa
SELECT
UP
DOWN
7)Selectowunitfordisplay:
Flowvolume:m3/s,m3/h,cfm,l/s,none(default)
Velocity:m/s,f/min,none
FLOW UNIT
m3/s
SELECT
UP
DOWN
6)Selectdesiredpressurerange:
±120 Pa, ±240 Pa, ±620 Pa, ±1240 Pa, ±2490 Pa
PRESS. RANGE
±120 Pa
SELECT
UP
DOWN
Copyright HK Instruments 2022 www.hkinstruments. Installaon version 1.0 2022
Thesellerisobligatedtoprovideawarrantyofveyearsforthedeliv-
eredgoodsregardingmaterialandmanufacturing.Thewarrantyperiod
isconsideredtostartonthedeliverydateoftheproduct.Ifadefect
inrawmaterialsoraproduconawisfound,thesellerisobligated,
whentheproductissenttothesellerwithoutdelayorbeforeexpira-
onofthewarranty,toamendthemistakeathis/herdiscreoneither
byrepairing the defecve product or by delivering free ofcharge 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.Theseleconofmateri-
alsfordevicespronetocorrosionisthebuyer’sresponsibility,unless
otherwise is legally agreed upon. Should the manufacturer alter the
structureofthedevice,thesellerisnotobligatedtomakecomparable
changestodevicesalreadypurchased.Appealingforwarrantyrequires
thatthebuyerhascorrectlyfullledhis/herduesarisenfromthede-
liveryandstatedinthecontract.Thesellerwillgiveanewwarrantyfor
goodsthathavebeenreplacedorrepairedwithinthewarranty,how-
everonlytotheexpiraonoftheoriginalproduct’swarrantyme.The
warrantyincludestherepairofadefecvepartordevice,orifneeded,
anewpartordevice,butnotinstallaonorexchangecosts.Underno
circumstanceisthesellerliablefordamagescompensaonforindirect
damage.
2)ManualPushbuonzeropointcalibraon
NOTE:Supplyvoltagemustbeconnectedatleastonehourpriorto
zeropointadjustment.
a)Disconnectbothpressuretubesfromthepressureportslabeled+
and–.
b)PushdownthezerobuonunltheLEDlight(red)turnsonand
thedisplayreads“zeroing”(displayopononly).(seegure3)
c)Thezeroingofthedevicewillproceedautomacallyin4seconds.
ZeroingiscompletewhentheLEDturnso,andthedisplayreads
0(displayopononly).
d)ReinstallthepressuretubesensuringthattheHighpressuretube
isconnectedtotheportlabeled+,andtheLowpressuretubeis
connectedtotheportlabeled−.
3)ViaModbusregister
Makesurethereisnopressureintheductwhenthezeroingisdone
viaModbusregister.
a) Disconnect both pressure tubes from the pressure ports labeled +
and –.
b) Push down the zero buon (joysck) unl the LED light (red)
turns on and the display reads “zeroing” (display opon only). (see
Figure 6)
c) The zeroing of the device will proceed automacally. Zeroing is
complete when the LED turns off, and the display reads 0 (display
opon only).
d) Reinstall the pressure tubes, ensuring the High pressure tube is
connected to the port labeled +, and the Low pressure tube is
connected to the port labeled −.
Press down buon
LED turns ON
Display reads “Zeroing”
LED
Figure 3
ZEROING THE DEVICE CONTINUED
STEP 5: MODBUS REGISTERS
Register Parameter descripon Data Type Value Range
3x0001 Programversion 16 bit 0...9900 0,00...99,00
3x0002 PressurereadingPa 16 bit -24900...24900* ± 2490.0 Pa
3x0003 PressurereadingkPa 16 bit -24900...24900* ±2.4900kPa
3x0004 Pressurereadingmbar 16 bit -24900...24900* ± 24.900 Pa
3x0005 PressurereadingmmWC 16 bit -25400...25400* ±253.91mmWC
3x0006 PressurereadinginWC 16 bit -10000...10000* ±10.000inWC
3x0007 Pressurereadingpsi 16 bit -3610...3610* ±0.3611psi
3x0008 Flowm3/s 16 bit 0...10000 0...100m3/s
3x0009 Flowm3/h 16 bit 0...30000 0...30000m3/h
3x0010 Flowcfm 16 bit 0...30000 0...30000cfm
3x0011 Flowl/s 16 bit 0...3000 0...3000l/s
3x0012 Velocitym/s 16 bit 0...1000 0...100m/s
3x0013 Velocityf/min 16 bit 0...5000 0...5000f/min
Funconcode04-Readinputregister
MODBUS REGISTERS CONTINUED
Funconcode05-Writesinglecoil
Register Parameter descripon Data Type Value Range
0x0001 Zeropointcalibraon Bit 0 0...1 On-O
WARRANTY POLICY
RECYCLING/DISPOSAL
The parts le over from installaon should be
recycled according to your local instrucons.
Decommissioned devices should be taken to a
recyclingsitethatspecializesinelectronicwaste.
*)Thevalueandrangearedeterminedbytheselectedpressurerange±120Pa,±240Pa,±620Pa,
±1240Pa,±2490Pa.Thevaluesshowninthetablewhenthelargestareaisselected.
Funcon code 03 - Read input holding register, Funcon code 06 -
Writesingleregister,Funconcode16-Writemulpleregisters
Register Parameter descripon Data Type Value Range
4x0001 Manufacturer 16 bit 0...8
0=FläktWoods,1=Rosenberg,
2=Nicotra-Gebhardt,3=Comefri,
4=Ziehl,5=ebm-papst,6=Gebhardt,
7=Nicotra,8=Commonprobe
4x0002 Formulaunit(ifmanufacturer
selecon=commonprobe) 16 bit 0...5 0:m3/s,1:m3/h,2:cfm,3:l/s,
4:m/s,5:f/min
4x0003 K-factorinteger 16 bit 0...9999 0...9999
4x0004 K-factordecimal 16 bit 0...999 0...999
4x0005 Responseme 16 bit 0...20 0=0.4s,1=1s,2=2s...20=20s
4x0006 PressureRange 16 bit 0...4 0=±120Pa,1=±240Pa,2=±620Pa,
3=±1240Pa,4=±2490Pa
-
1
-
2
-
3
-
4
HK Instruments DPT-Priima-MOD User manual
- Type
- User manual
HK Instruments DPT-Priima-MOD is a multifunctional high-accuracy transmitter for measuring volume flow, velocity, and static and differential pressure. It is designed for cleanrooms and other demanding applications where precise measurements are crucial. The device offers automatic zero point calibration, eliminating the need for manual adjustments. With its Modbus communication capabilities, the DPT-Priima-MOD can be easily integrated into various systems, allowing for remote monitoring and configuration.
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