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Transmitters
141WINTERS INSTRUMENTS Tel: 1-800-WINTERS / www.winters.com
LTDDifferential Transmitter
141WINTERS INSTRUMENTS Tel: 1-800-WINTERS / www.winters.com
Description & Features:• Designedtomeasurethewettowetdifferentialpressuresofliquids andgases• Compact,efficientdesignavailableinLoworHighpsirangesthat facilitatesinstallationintightspaces• LowRangehousingisconstructedofstainlesssteelandaluminum• HighRangehousingismadefroma316-gradestainlesssteelideally suitedforanindustrialenvironment• Fastresponsesensorandsignalconditionedelectroniccircuitry providequickandaccuratereadings• Uniqueisolationsystemrespondstopressurechanges approximately20timesfasterthanconventionaltransmitterswith rangesbelow100psi(LowRangemodel)• CEapprovalisstandardonallmodels• NEMA4approvalisstandardontheLowRangemodel• 1yearwarranty
Applications:• Tomeasurepressuredropsacrossfilters• Pumpsandcompressors,flowmeasurementsofgasesand liquids,liquidlevelmeasurementofpressurizedvessels
Specifications Low Range High RangeElectrical Output 4-20mA,2wire0-5Vdcor0-10Vdc 4-20mA,2wire(otheroptionsavailable)
Electrical Connection Barrierstripterminalblockwithconduitenclo-sureand0.875dia.conduitopening DIN43650withmate
Excitation Voltage 9-30Vdc 8-38Vdc
Wetted Parts/Connection 17-4PHSSwithViton®O-ring,1/4”-18NPTfemale
316LSS,1/4”NPTfemale300seriesSS,17-4PHSSwithViton®O-ring
Housing 304SS,castaluminum 316LSS
Proof Pressure Refertopressurerangechartonnextpage Refertopressurerangechartonnextpage(20Xfullscaleoptional)
Burst Pressure Refertopressurerangechartonnextpage RefertopressurerangechartonnextpageNormal Operating Temperature Range 0°Fto175°F(-17°Cto79°C) -40°Fto200°F(-40°Cto93°C)
Compensated Temperature Range 30°Fto150°F(0°Cto65°C) 0°Fto170°F(-18°Cto76°C)
Ambient Temperature Effect on Zero/Span ±2%offullscale/100°F(37.7°C) ≤±1.5%FSOovercompensatedrange
Response Time 30-50msec <50msecLong Term Stability ±0.5%FSO/yr ≤±0.25%FSO/yrWeight 14.4oz.(408g) 13oz.(368g)Accuracy ±0.25%FSO ±0.25%FSOEnclosure Rating IP65 IP65
Viton®isaregisteredtrademarkofDuPontPerformanceElastomers
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21.LowRange2.HighRange
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142 Tel: 1-800-WINTERS / www.winters.com WINTERS INSTRUMENTS
LTD Differential Transmitter
142 Tel: 1-800-WINTERS / www.winters.com WINTERS INSTRUMENTS
LTD Low RangeUni-directional Bi-directional
Gauge psid
Proof Pressure
psi
Burst Pressure
psi
Gauge psid
Proof Pressure
psi
Burst Pressure
psi0/1 2.5 20 0/±0.5 1.25 200/2 5 40 0/ ±1 2.5 400/5 12.5 100 0/±2.5 6.25 100
0/10 25 100 0/±5 12.5 1000/25 62.5 250 0/±10 25 2000/50 125 250 0/±25 62.5 250
0/100 250 250 0/±50 125 250
LTD High RangeGauge psid
Proof Pressure psi
Burst Pressure psi
0/50 100 7500/100 200 1,0000/200 500 2,0000/500 1,000 3,000
0/1,000 2,000 5,0000/3,000 4,500 7,5000/5,000 7,500 10,000
Order CodesLow Range Wet/Wet Uni-directional
Range Code0/1 (27.7in/H2O) LTDU10/2 (55.4in/H2O) LTDU20/5 (138.4in/H2O) LTDU50/10 (276.8in/H2O) LTDU100/25 psi LTDU250/50 psi LTDU500/100 psi LTDU100
Low Range Wet/Wet Bi-directionalRange Code
±0/0.5 (13in/H2O) LTDB0.5±0/1 (27.7in/H2O) LTDB1±0/2.5 (69in/H2O) LTDB2.5±0/5 (138.4in/H2O) LTDB5±0/10 (276.8in/H2O) LTDB10±0/25 psi LTDB25±0/50 psi LTDB50
High Range Wet/Wet Range Code
0/150 psid LTD1500/200 psid LTD2000/300 psid LTD3000/500 psid LTD5000/1,000 psid LTD10000/3,000 psid LTD30000/5,000 psid LTD5000
Option suffix:4WCABLE=4wireshieldeddatacable(perft.)
Otherranges(e.g.bar,etc.)availableuponrequestOtheroutputsandoptionsavailableuponrequest
Definitions:• Wet/Wet=Canbeusedonanyliquidorgasthatiscompatiblewith316SS• Uni-directional=Theinstrumentiscalibratedwitha4mAoutputat0psidand20mAoutputatfullscale (i.e.For0-10psidrange:4mA=0psidand20mA=10psid)• Bi-directional=Theinstrumentiscalibratedwitha12mAoutputat0psid/zerocentre (i.e.For0-10psidrange:4mA=-5psid,12mA=0psidand20mA=+5psid)
Transmitters
143WINTERS INSTRUMENTS Tel: 1-800-WINTERS / www.winters.com
LTDDifferential Transmitter
143WINTERS INSTRUMENTS Tel: 1-800-WINTERS / www.winters.com
Low Range
• Forvoltageoutput,useCOM, OUTandEXCterminals• Forcurrent(4-20mA)output, use+and-terminals
High Range Hirschmann® Mini-Din Pin Out:
4-20mA output Supply Power: 8-38 VdcMini-Din Connection
Pin Colour Code V mA1 N/A +Excitation +Excitation/Signal2 N/A -Excitation/Signal -Excitation/Signal3 N/A + Signal NC
Grnd N/A Gnd GndWire Lead Connection
Wiring Colour Code V mA1 Red +Excitation +Excitation/Signal1 Black -Excitation/Signal -Excitation/Signal1 Green + Signal NC
Grnd Shield/White Gnd Gnd
CurrentOutputUnits• LowRange(currentoutput)transducersaretrue 2-wire,4-20mAcurrentoutputdevices• Deliverratedcurrentintoanyexternalloadof 0-1000ohms• 4-20mAcurrentoutputunitsaredesignedtohave currentflowinonedirectiononly.Pleaseobserve polarity• Anelectricalcableshieldshouldbeconnectedto thesystem’sloopcircuitgroundtoimprove electricalnoiserejectionMIN Supply Voltage: 9+0.02x(Resistanceof receiverplusline)MAX Supply Voltage: 30+0.004x(Resistanceof receiverplusline)
Hirschmann®isaregisteredtrademarkofHirschmannLaborgeräteGmbH&Co.
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