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soluionorfluidtechnology
vs seRies
flow meAsuRementTECHNOLOGY
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vsi-high definition pReAmplifieR The VSI High Definition Preamplifier supplies digitalsignals witha higher resolution of the measuredvalue.Theresolutioncanbeprogrammedbetween4and64
angle steps and it enables a frequency multiplicationupto factor 16.TheK-factor oftheflowmeter can beincreaseduptofactor64.Themaximumfrequencyatfull
flowcanbe26kHz.
eX-types Intrinsicallysafemodels,withapprovalcodel1G
EExiallCT4-T6,aresuppliedforapplicationsinpotenti-allyexplosion-hazardousareas.VSEdeliversthesetypeswith isolation switch amplifier models MK 13 P Ex
Ex0/21VDC/K15.
vs positive displAcement flow meteRs
vs flow meteRVSpositivedisplacementflowmetersarevolumeratemeasuringsensorsbasedonthemeshinggearprinciple
and are designed for use with liquids. Two preciselymatchedgearwheelsareenclosedin averyaccuratelymachined housing. Gear rotation is sensed by a non-contacting signal pick-up system. Each tooth produces
oneimpulse.
The space between the gear teeth, when fully
enclosedonbothsidesbythehousing,constitutesmeasu-ringchambers.Fluidflowcausesthegearstorotateandtheincomingflowisseparatedintodiscretevolumeswithin
thesechambersi.e.thevolumeofliquidpassingthroughtheunitwillcauserotationofthegearsbyexactlyone
toothpitch.
This volume is known as the Volume/Impulse (Vm
)
andisstatedincc/Imp.Itisusedtodefinethesizeofaflowmeter.
eXplAnAtions of pReAmplifieR of signAl
picK-up systemThenon-contactpick-upsensorsconsistoftwodifferential
magnetoresistors,whicharecircumferentiallyoffsetfromoneanotherby1/4ofatoothpitch.Thesignalsofbothpick-up sensors are digitised with two signal amplifiers
and amplified via followed shortcircuit proof push-pull
outputstages.Thesquarewaveoutputsignalsarebidirectionalandmay
besimplyprocessedbyanyexternalelectronics,plccontrolor computer. The processing of the 90 phase anglebetween signals enables recognition of flow direction
andimpulserateconversionwithafactorof1,2and4.
Thesignalfrequencyisproportionaltothemomentary
flowrate(volumerate)dependentontheparticularflowmetersize.Thefrequencyrangeextendsfrom02000Hz.Thepreamplifierisprotectedagainstreversepolarity
andincorrectconnection.Formediumtemperaturesbet-ween-40Cand120C(-22Fand248F)theunitismounteddirectlyontheflowmetercover.
sensoR systems foR eXtended
tempeRAtuRe RAnge For liquid temperatures up to 210C (410F) aspecialpickupsystemisavailable.
vs flow meteR selection
Fortrouble-freeandsafeoperationoftheflowmeters
thecorrectselectionoftypeandsizeisdecisive.Dueto
thegreatnumberofdifferentapplicationsandflowmeter
versions,thetechnicaldataintheVSE-cataloguesareof
generalcharacter. Certain characteristic of thedevices
dependontype,sizeandmeasuringrangeaswellason
themediumtobemeasured.Forexactflowmeterselection
pleasecontactVSE.
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BlocK diAgRAm
output signAls of pReAmplifieR
flow meteR vs 0,02... vs 4 flow meteR vs 10
Gear rotation of one tooth pitch
One impulse
Volume / impulse in cm 3 / Imp
Channel1
Channel2
Channeloffsetby1/4oftoothpitch(90)
Impulsemark/spaceratio(adjust.atpreamplier)
Fl owi ndi re ct ion1 F lowi n di rec ti on2
Upp
+ Volts
Channel 1
0 Volts
Channel 2
brown
white
blue
black
ProcessorUnit
Signal Amplifiers Push-pulloutputstages
Potential equalization
* voltAge RAnges Supplyvoltages: U
v=10...28VDC
Impulsevoltages: Upp
=Uv1V
* voltAge RAnges Supplyvoltages: U
v=10...28VDC
Impulsevoltages: Upp
=Uv1V
Channel1
Channel2
Channeloffsetby1/4oftoothpitch(90)
Impulsemark/spaceratio(adjust.atpreamplier)
Flowdirec tion1 Flowdirec tion2
Gear rotation of one tooth pitch
3 impulse pro volume (10 cm3 ) of one tooth pitch
Volume / impulse in cm3 / Imp (10/3 cm3 =V
m)
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ApplicAtionsAll liquids that can be pumped and have known
lubrication properties can be measured, for example:petrol, paraffin, kerosene, diesel, Skydrol, mineral oils,hydraulicoilsincludingfireresistantfluids,inks,dyesand
paints, greases, polyurethane, polyol and isocyanates,Araldite,glues,pastesandcreams,resins,waxes...andmanyothers.
RAnges of ApplicAtions in
the Automotive industRy
Brakingsystemteststands
Fuelconsumptionmeasurement
Polyurethane foams for steering wheels, fascia, seats etc.
Paintsprayingsystems
Steeringsystems
Batching and filling of motor oils, brake fluids, anti- freeze,corrosionpreventatives,waxesetc.
Adhesivecoatingsforwindscreens,headlights,engine housingsetc.
hydRAulics
Volumeandflowratemeasurement
Leakageandrupturemonitoring
Cylinderspeedandpositionmeasurement
Positioningandstepcontrol
Measurement,controlandregulationofflowratesand volumes
Teststandsforpumps,motors,valves,proportionalsand servo-valves
Synchronisedmulti-cylindermonitoring
Fillingandadditiveblending
dyes And pAints
Paintsprayingsystems
Batchingandfilling
Volume,flowrateandconsumption
Monitoringofmixingratios
plAstics technology
Mixing,mouldingandbatchingsystemsforsingleand multicomponentfluidplastics
Consumptionmeasurementofe.g.: Epoxyadhesives and potting compounds (resins and hardeners) for transformers, coils, relays, condensers,
armatures,initiators,auto-electronics
Measuring,controlandregulationofsinglecomponents andmixingratios
Siliconpottingcompounds
Polyurethanefoams(polyolandisocyanate)forsteering wheels,seals,shoes,soles,surfboards,furniture,com- putercasings,isolationetc.
hotadhesive
chemicAl industRy
Flowrateandvolumemeasurementinprocessplantand plantsystems
Blending and filling chemical products such as liquid plasticsadhesives,resins,hardeners,potting,compounds,
solvents,fuels,foamesplasticisers,dyesand paints, oils and synthetic products etc. application in laboratories and manufacturing plants (in normal and explosion-
hazardousareas)
Control and regulation of single components, mixing ratiosandconsumptionofvariouscomponents
Leakagemeasurementandleakagemonitoringonplant
Measurement, indication and logging of data for productqualityassurance
speciAl designs on Request
The issue of this catalogue invalidates all specifica-tions in earlier publications. Changes and deviationsare reserved by VSE. VSE will not accept liability
for printing errors. Reproduction, including excerpts,is only permitted with written permission by VSE.Revision:05/2010
RAnges of ApplicAtions
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Ara 0.3%ofmeasuredvalueatviscosity>20cSt(
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flow Response cuRves
flowr
esistance
p
flowrateQ
flowr
esistance
p
flowr
esistance
p
flowr
esistance
p
flowr
esistance
p
flowr
esistance
p
flowr
esistance
p
flowr
esistance
p
vs 0.1 vs 0.2
vs 1vs 0.4
vs 4vs 2
vs 0.02 vs 0.04
flowrateQ
flowrateQ flowrateQ
flowrateQ flowrateQ
flowrateQ flowrateQ
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r
*GG=CastIronEN-GJS-400-15(EN1563)
*E =StainlessSteel1.4305 Dimensionsarespecifiedinmm
cAst iRon veRsionHousingcurvemillcutted
cAst iRon veRsion
connection dRAwingViewX
Flowmeter
Subplate
Flowmeter
Subplate
side poRts Bottom poRts
vs flow meteR dimensions
to and
andtostAinless steel veRsion
connection dRAwingHousingnotmillcutted
ViewX
Grounding
Centre bores
Grounding
Plug direction for
Plug direction for
Centre bores
sz
vs / vsiA B c d e g h K l m n o-r gg*
k
e*
k
0.02 100 80 91 M6 12 9 114 58 70 40 20 11 x2 2.8 3.4
0.04 100 80 91.5 M6 11.5 9 114.5 58.5 70 40 20 11 x2 2.8 3.4
0.1 100 80 94 M6 9 9 117 61 70 40 20 11 x2 2.8 3.4
0.2 100 80 93.5 M6 9.5 9 116.5 60.5 70 40 20 11 x2 3.0 3.7
0.4 115 90 96.5 M8 11.5 16 119.5 63.5 80 38 34 17.96x2.62 4.0 5.0
1 130 100 101 M8 12 16 124 68 84 72 34 17.96x2.62 5.3 6.8
2 130 100 118 M8 15 16 141 85 84 72 34 17.96x2.62 6.7 8.4
4 180 140 143 M12 20 30 166 110 46 95 45 36.17x2.62 14.7 18.4
w
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side poRts Bottom poRts *
CastIron/APG.S.. ./. StainlessSteel/APE.S.. ./. CastIron/APG.U... /. StainlessSteel/APE.U.. ./.
AffiliAted
siZe
vs / vsi
g pipe thReAd
clAssificAtion
g f h e
0.02/0.04
0.1/0.2
G1/4 35 20 26
0.02/0.04
0.1/0.2
G3/8 35 23 30
0.02/0.04
0.1/0.2
0.4/1/2
G1/2
G1/2
35
35
28
28
38
46
0.4/1/2 G3/4 40 33 52
1/2 G1 55 41 55
4 G11/4 70 51 60
4 G11/2 AP..U=70 56 72
4 G11/2 AP..S=80 56 72
*Bothbottomports(G)forsizeAPG4UandAPE4Uhaveadisplacementof90totheshowndrawings.
sz d w
vs / vsi Ap A B c d l m k
0.02 / 0.04
0.1 / 0.2
AP.02 80 90 40 70 100 M6/12 1.8
0.4 AP.04 90 100 38 80 115 M8/15 2.7
1 / 2 AP.1 100 110 72 84 130 M8/15 3.6
4 APG4
APG4UG
APE.4
120
140
140
130
120
100
120
100
110
100
110
180
M8/15
M8/15
M8/15
7.4
7.4
12
Ap suBplAte dimensions
1
2
2
1 OnlyforAPG.U.../.;APE.U.../.OnlyforAPE.S.../.;APE.U.../.
Specialdesignsonrequest
AffiliAted
siZe
vs / vsi
g pipe thReAd
clAssificAtion
g f h e 11
sz d w
vs / vsi Ap A B c d l m k22
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vs 10 flow meteR
sz f ra / gpm K-far
i. /
i. / ga.
VS10 1.5...525 0.3963...138.69 300 1135.63
Ara 0.3%ofmeasuredvalueatviscosity>20cSt(
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flow Response cuRves
dimensions
suBplAte dimensions
flowr
esistance
p
Dimensionsarespecifiedinmm
Dimensionsarespecifiedinmm
APG10SGON/1 APG10SWON/1
flowrateQ
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vse flow meteRs in eX-design / the BARRieR AmplifieR
I
I
Potential equalization system!
3
4
Explosion-hazardous area Non-explosion-hazardous area
5
6
7
8
pnp
pnp
+
-power
Signal (1. Channel)
Inv. signal (1. Channel)
Ub2+
GND2 (0V; Ub2-)
Flow meter
Isolation switching amplifier: 1. ChannelEvaluation unit
3
4
5
6
7
8
pnp
pnp
+
-power
Isolation switching amplifier: 2. Channel
Signal (2. Channel)
Inv. signal (2. Channel)
Ub1+
GND1 (0V; Ub1-)MK 13-P-Ex0/24VDC/K15
MK 13-P-Ex0/24VDC/K15
Potential equalization system!
B
B+-
4
2
1
2. Channel+- 3
+-
1
2
1
1. Channel+- 2
ifrequired
the BARRieR AmplifieR mK 13-p-eX 0 / 24
vdc / K15ThebarrieramplifierMK13-P-Ex0/24VDC/K15enablesa galvanic isolated transmission of binary switchingstatus. It has an intrinsically safe control circuit and is
certifiedaccordingtoII(1)GD(EExial)IIC.There is a galvanic separation from the control circuitto the output circuit and to the power supply. For the
transmission of two channels, two barrier amplifiers ofthis version are necessary. The control circuit can be
monitoredconcerningwirebreakingandshortcircuit(themonitoringcanbeswitchedoffviaawirejumper).Anerrorinthecontrolcircuitstopsthesignaloutputbutisnotdisplayedasanerrormessage.Twoplus-switching
shortcircuitprooftransistoroutputs(PNP-outputs)displaythedigitalsignalofachannelantivalently.
f r vse ab, b, puR, Barrr afir
t vs****32 q1* / * ; 4 x 0,34 2 t mK 13-p-ex 0 / 24 vdc / K15
BVS05ATEXE071X PUR PTB06ATEX2025
ll1GEExiallCT4-T6 ll(1)G[EExia]llC
Ui
= 18,5V R =0,053/m Uo=9,9V
Ii
= 24mA L =0,85H/m (x) Io
=22mA
Pi
=100mW CA-A
=55pF/m (x) Po
=54mW
Ri
= 0 CA-S
=105pF/m (x)
Li
= 0 [(x)=measuredat1000Hz]
Ci
= 0,27F c B
Lo/mH 1 5 10 2 10 20
Co/F 1,5 0,75 0,65 5 3,5 3
trar a t4 t5 t6
ambienttemperature -20CTamb
95C -20CTamb
70C -20CTamb
55C
liquidtemperature -20CTMed
100C -20CTMed
75C -20CTMed
60C
vse flow meteRs in eX-designThe VSE flow meters of the VS-series in Ex-designare approved for applications in potentially explosion-
hazardousareasandarealwaysoperatedinconjunctionwithoneortwobarrieramplifiers.Theyhavebluemar-kingsandofferthenecessaryEx-protectionsecurity.The
typeplateshowsthenecessarydescriptionaccordingtoDINEN50014,thetypekeyandthesafety-relatedandelectricdata. VSE can supply the flow meters with the
barrieramplifierstypeMK13-P-Ex0/24VDC/K15.
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option foR stAinless-steel
flow meteRs vs 0,04 vs 4Thepick-upsystemconsistsofoneortwosensorunits,whicharescrewedintothecoveroftheVSflowmeterandofadownstreamswitchedamplifier.Thisamplifieris
connectedwiththeflowmeterbymeansofatemperatureresistantcableandhastobeinstalledoutsidethehightemperaturearea,wheretheambienttemperatureshouldnotexceed50C(122F).
Dependingontheamplifierversion,thedigitalsignalsare output as PNP or NPN switching signals. The fol-
lowing pictures show the respective connection of theelectronicreadout:
For long cable lengths and high input impedanceof the readout it is recommended to use shieldedcablesandapull-down(PNP-signal)orapull-up(NPN-
signal)resistors.
connection: pnp-switching
connection: npn-switching
picK-up system foR high tempeRAtuRe RAnges
Flowmeter Amplif ier Electronicreadout
MeasuringControlling
PNP-Signal plus switching
NPN-Signal
minus switching
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technicAl dAtA / flow meteR dimensions
m trar 40C...210C
nbr k- 1or2pick-ups
pk- Magnetoresistive
era c PGcablefitting
ia-pr IP64
s va Ub
=10...30V DC+/10-%
crr c Ib =ca.15mA(idlemotion,withoutload)
sa o pnp HighSign:Us=U
b1V,l
s=25mAmax.
sa o npn LowSign:Us=0V,l
s=25mAmax.
era c 4-poleroundplugM12
max. Ab trar 50C
pr-a IP64
p- Rr 4.7...10K
p- Rr 4.7...10K
technicAl dAtA: sensoR unit
technicAl dAtA: AmplifieR
Centre bores
Amplifier
Cable lenght
r
flow meteR dimensions view X
sz A d e g K l m n p o-rw
k
VS0.04* 100 M6 11.5 9 58.5 70 40 20 22 11 x2 3.5
VS0.1 100 M6 9 9 61 70 40 20 22 11 x2 3.3
VS0.2 100 M6 9.5 9 60.5 70 40 20 22 11 x2 3.6
VS0.4 115 M8 11.5 16 63.5 80 38 34 22 17.96 x2.62 4.9
VS1 130 M8 12 16 68 84 72 34 22 17.96 x2.62 6.7
VS2 130 M8 15 16 85 84 72 34 22 17.96 x2.62 8.3
VS4 180 M12 20 30 110 46 95 45 12 36.17 x2.62 18.3
*Attention:*0.04withone(1)channelonly
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type Key flow meteRs vs
type Key
eXAmple
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suBplAtes Ap
suBplAtes Ap
eXAmple
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flow meteRs with high definition pReAmplifieR
flow meteRs with high definition flow RAteThepreamplifiersofthestandardversionforflowmetersofthe
VSproductlineoutputonepulsepertooth-gapvolumeVZ,which
corresponds to the volume measurement Vm
(Vm
=VZ/pulse).
This occurs in two channels, so that a maximum resolution of
1/4VZfortheevaluationofallflankscanbeattained.Ahigher
resolutionisnotpossiblewiththesepreamplifiers.Asaveryhighresolutionisnecessaryforpreciseandexactflow
measurements,thevolumemeasurementVm
mustberesolvedevenmore than with conventional preamplifiers. VSE has thereforedevelopedthepreamplifierwithinterpolation,withwhichaselec-
tableresolutionofupto64flanks(16pulses)perperiodcanbeattained.ThismeansthatyoucanresolvethevolumemeasurementV
mwiththispreamplifiertoamaximumof1/64V
m.Fortheevalua-
tion,thismeansthatapartvolumeof1/64Vm
frompulseflankto
pulseflank(forquadrupleevaluationorflankcount)ismeasured,orafullsignalpulseiscountedaspartvolumeof1/16V
m(pulse
count)(interpolationVm/16).
ThisindividuallyprogrammedhighresolutionenablesyoutosetthevolumemeasurementV
moptimallyforeachpro-
videdcaseofapplication.Furthermore,newapplicationscanbeavailedwiththehigherresolution
Measuring,controllingandregulatinginlower
flowrangesMeasuring,controllingandregulatinginzeroflowMeasuring,controllingandregulatinginbothflow
directionsMeasuring,controlling,dosingandfillingofsmall
volumes
Flowmeterswithinterpolationelectronics(VSI)outputtwodigitalsignalswithprogrammablehighresolutionthatare
phase-offsetat 90.In additionto the signal emission,
a zero signal emissionis provided, whichemitsa zerosignalateachfullyregisteredvolumemeasurementV
m.
signAl emission of the pReAmplifieR with
inteRpolAtionThe gure shows the resolution of the volume measurementV
mwithaninterpolationfactorof8.Thisresolveseachvolume
measurementintoeightindividualpartvolumes.Apulseonthesignaloutputofchannel1orchannel2thushasavalueof
Vm* = Vm/8 = 1/8 Vm per pulse. In double evaluation(ank evaluation of one channel) this results in a value of1/2 V
m* = V
m /16 = 1/16 V
m and for quadruple evaluati-
on(ankevaluationofbothchannels)theresultisavalueof
1/4Vm*=V
m/32=1/32V
mperank.Evaluationelectronics
canrecognizeowdirectionfromsignalsoffsetat90.ThepreamplifieroftheVSIproductlinehasaprogrammedinterpolation factor (IPF) with which you can program
new,differentresolutions.Henceyoucanprogramare-
solutionof4to64angularsteps(seefigure4)pervolumemeasurementV
m.Thefrequencymultiplicationf*isbet-
ween1and16(seetable).
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17
inteRpolAtion fActoR And Resolution
ira
ar
i/v max. r
(evaluation of signalanks)
R v*
(volume measurementV
m*) [ml]
max. r
(a r)
fr ax*
1 1 4(quadrupling) Vm/4 90 fmaxx1
2 2 8 Vm/8 45 fmaxx2
3 3 12 Vm/12 30 fmaxx3
4 4 16 Vm/16 22.5 fmaxx4
5 5 20 Vm/20 18 fmaxx5
8 8 32 Vm/32 11.25 fmaxx8
10 10 40 Vm/40 9 fmaxx10
12 12 48 Vm/48 7.5 fmaxx12
16 16 64 Vm/64 5.625 fmaxx16
Column1: programmableinterpolation factor IPF (pro- grammingisdoneinthefactory)
Column2:PulsespervolumemeasurementVm
Column3:maximumresolutionofthesignalflanks.The signal flankschannels1and2areevaluated.
Column4: Volume measurementVm
* resulting from the maximum resolutionof the signal flanks.Column5:maximumresolutioninangledegreesatreso-
lutionofsignalflanks.Column6:maximum frequency f
max* at maximum flow
Qmax
andprogrammedinterpolationfactorIPF
InpracticethemaximumflowQmaxoftheflowmeterisseldomrunsothat
alowerfrequencycanbecalculated.Themaximumfrequencyisthencalculatedaccordingtothefollowingformula:
f
max*=
(Qmax
)*IPFformula1
Vm
fmax*
Maximum frequency of the flow meter signals
Qmax
Maximumflowattainedinthecaseofapplication describedhereIPF Programmedinterpolation factor
Vm
Volumemeasurementoftheflowmeter
exa: Flow meter VSI 1/10 max. flow rate of the systematmaximumcapacityQ
max = 40 l/min = 666.667 ml/sec; IPF = 10;
Vm
=1ml/pulse;fmax*
=6666.67Hz=6.66667kHz
Atmax. flowmax*
= 40l/min, the flow meter VSI 1/10 outputsafrequencyof
fmax*
= 6666.67Hz.
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type Key flow meteRs vsi
type Key
eXAmple
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electRonic displAys with AnAlogue output
Flowmetertypeselectablebymenu
Flowmeterdirectionindicator16Bit-analogueoutput 010V
020mA 0/420mA2limitvalueoutputs
SemiconductorPC-Interface RS 232 or RS 485Apowersupplyforflowsensoris
integrated 24 Volt DC/100 mA
Flowdirectionindicationwithswit- chingoutput(0V/5V)
2optocouplerlimitvalueoutputs, limit value are individually pro- grammable
Analogue output with flow rate direction dependent voltage-/ current-polarityisavaible
0()10V 0()20mA 4 20mA
Apowersupplyforflowsensoris integrated24VDC/50mA
Flow rate- or volumedisplay pro-
grammable, with linearizer func- tion12Bit-analogueoutput
010V 020mA 420mA
2limitvalue-relayoutputsPC-InterfaceRS232Apowersupplyforflowsensoris
integrated12Volt/100mA
flow meAsuRement dpZ-imp foR 1- oR 2-chAnnelflow sensoRFlowmetertypeselectableby menu16bit-analogueoutput 010V 020mA
0/420mA2limitvalueoutputs
SemiconductorPC-InterfaceRS232oderRS485Apowersupplyforflowsensoris integrated24VoltDC/100mA
univeRsAl meAsuRing instRument
vfm 320 foR dynAmic pRocess meAsuRe-
ments And closed loop contRolsFlowrate,volumeandratiomeasurementsaswellas measurementandcontrolof volume-shots ormass-
shotsin2-componentmixingsystemsSignalprocessingof2flowsensorswith2-channel
signaloutputs2independentdynamicanalogueoutputswith16Bit digital-analogueconverterD/A-converter:
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electRonic displAys without AnAlogue output
volumen-pResetcounteRAnd BAtch-counteR gel 103
foR 2-oR 1-chAnnel flow
sensoRDisplay values for actual volume valueand2volumepresetvalues
will be displayed simultaneously2limitedvaluerelayandtransistor outputs,1transistoroutputforbatch
presetcontrolPhase discriminator for 2-channel flow rate sensor with single,
double or quadruplevolume im-
pulse edge evalution programm- able
Apowersupplyforflowsensoris integrated24VDC10%,max. 60mA
gel 103
instRuments foR impulse conditioning
Converteroutputsignalforopera- tionwith1-channelflowsensor
0...10V 0...20mA 4...20mAConverteroutputsignalwithflow
direction polarity for operation with2-channelflowsensor 0...10V
0...20mAEvaluation of flow direction via digital output signal possible if a
2-channelflowsensorisconnectedProportionalto flowfrequency a digital output frequency signal
with multiplier factoris adjustable
fRequency-/AnAlogueconveRteR digfu 1
For example: for chart recorder withimpulseinput,forward-/reverse- counter, computer, PC- and PLC
controlsAvailableoutputvoltages: TTL5V,8 V,12V,CMOS15V
Powersupply/currentconsumption: 10... 30 VDC, 20 mA without flowsensor
Inverted and non inverted output signal forbothchannelsintegrated among other things for connec-
tionondifferentialcountinputsto achieve a distortion free signal transmission over long cable dis-
tances
signAl conveRteR pgw-1
foR 2- oR 1- chAnnel
flow sensoRs to conveRt
flow sensoR output
signAls into otheRvoltAge levels
Economicalinterfaceswithgalva- nic isolation between intrinsically safe and nonintrinsically safe cir-
cuitsMustbeinstalledinthesafeareaAre used to limit the electrical
power into an intrinsically safe circuitin sucha waythatneither sparks nor thermal effects (hot
surfaces) can cause an ignitionConnection diagram and exact orderno.seepage11.
BARRieR AmplifieRmK-13
20
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AccessoRies / customeR specific solutions
Inhouse calibrations from0.002 l/min ... 600 l/min, tra-ceable toa DKD normal. We are
pleased to provide you with loanunitsforthetimeofrepairorcalibra-tion.Repairandcalibrationalsoof
externalbrandsaswellaselectro-nicdisplays.
Customerspecificsolutionscanberealizedforpricesinlinewithmarket
requirementsintheshortesttime.Wedevelop your solutions in allcurrentmaterialssuchassteel,stainlesssteel,
titanium and aluminium as well asbronzematerials.
Whetherforinstallioninvehicles
orinclimaticexposuretestcabinets;wehaveasolutionforalmosteverymeasuring application. High relia-
bility, lowspace requirements andhighestmeasurementaccuracy,alsofordifficultmediaoraggressiveat-
mospheresdistinguishourproducts.
Dyes,paints,(hot-)adhesivesorepoxy or PUR-materials also withfillers can be reliably measured.
Pressuresupto700barandtempe-raturesupto210Careincludedinourstandardproductrange.
customeR specific pRocess contRol AutomoBile industRy
Connectionblocksalsoheatable,
sandwich plates with integratedballvalvesandheatingjacketsforall current flow meters. Additionalmeasuringconnectionsforpressure
andtemperaturecanbesuppliedfromstock.
AccessoRies
RepAiR / cAliBRAtion seRvice
8/3/2019 Vse Serievs en 0510
22/22
VSEVolumentechnikGmbH VSEVolumentechnikGmbHHnnestrae49 Postfach/P.O.Box122958809Neuenrade/Germany 58804Neuenrade/Germany
www.p
lakart.d
e
woRldwide seRvice / pRoducts
woRldwide seRvice
quAlified Advice thRough
longstAnding coopeRAtion
pARtneRspersonalcompetentefficient
pRoductsPrecisiongearflowmetersforgeneral industrialapplications
Stainlesssteelgearflowmetersforspecial applications
Turbineflowmeters
Standardisedandindividualelectronicreadouts
Electronicdevicesforspecialsolutionsinmeasurement,
controlandregulationtechnology
Repairandcalibrationservice
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