12 Series 12 Series FEATURES • Compact • 316 Stainless Steel Construction • Hermetically Sealed Micro-switch • Vibration Resistant • UL, cUL, ATEX and IECEx approved • Dual Seal Certified • Adjustable Ranges: Pressure: 30" Hg Vac to 12,500 psi (-1 to 861,9 bar) WC Ranges: -20" wc Vac to 200" wc pressure (-49,8 to 497,8 mbar) Differential Pressure: 0.7” wcd to 150 psid (1,7 mbard to 10,3 bard) Temperature: -130°F to 650°F (-90°C to 343°C) 12 - B - 0 9 DUAL SEAL CERTIFIED LEADERS IN SAFETY, ALARM & SHUTDOWN PRESSURE, VACUUM, DIFFERENTIAL PRESSURE, AND TEMPERATURE SWITCHES
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12 Series pressure and temperature switches...PRESSURE, DIFFERENTIAL PRESSURE, AND TEMPERATURE SWITCHES 12 Series 12 Series 1 2 - B - 0 6 FeatureS • Compact • 316 Stainless Steel
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PRESSURE, DIFFERENTIAL PRESSURE,AND TEMPERATURE SWITCHES
PRESSURE, VACUUM, DIFFERENTIAL PRESSURE,AND TEMPERATURE SWITCHES
12 Series
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12 Series hazardous location switches are ideal for operation intough applications where space is at a premium. A snap-actionBellevillespringassemblyisusedinmostmodelstoprovidevibrationresistanceandprolongedswitchlife.The316stainlesssteelenclosureand hermetically sealed switch provide rugged protection from theenvironment.Approvedforuseinhazardouslocationsworldwide,the12 Series is installed within applications ranging from offshore oilrigstorotatingequipment,andmore.
Local mount temperature switch with optional UL/CSA junction box (option M513)
Slotted adjustment wheel for easy set point adjustment
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12 Series
wOrldwide cOmpliance
Quadruple approvals (UL, cUL, ATEX and IECEx)mean the 12 Series meets the demandingrequirements of critical applications withinhazardous locations. Additionally, the 12 Seriescomplies with ANSI/ISA 12.27.01, "secondaryseal requirements for process sealing betweenelectrical systems and flammable or combustibleprocessfluids,"andNEC501.17,"processsealing."It canbeused inavarietyofapplicationswherespaceisatapremium.Metalwettedpartscomplywith NACE MR-0175 and the 316 stainlesssteel, type 4X enclosure rating assure long-termperformanceintheharshestenvironments.
Instrument Panels
Offshore Platforms
tecHnOlOGY
At the heart of the 12 Series is a Belleville spring assembly. The spring is asmall conical washer that transfers motion to a hermetically sealed 1 or 5 ampmicroswitch. Its ‘snap-action’ provides fast, positive contact transfer. The Bellevillespring‘snapsover’whenpressureisappliedand‘snapsback’uponpressurerelease.
media temperature Pressuremodels:Sensortypes2,7,9:-50to400°F(-45to204°C) Sensortypes3,4,8:-20to200°F(-28to93°C) Sensortypes5,6:0to320°F(-18to160°C) SensortypeP,W:0to200°F(-18to93°C);20to250°F(-7to121°C)for optionalVitonsensor Differentialpressuremodels:SensortypeK:0to180°F(-18to82°C); 20to250°F(-7to121°C)foroptionalVitonsensor Temperaturemodels:Seemodelchart(Pg.9).
Set pOint Temperaturemodels:±1%ofadjustablerangerepeatability Pressuremodels:Sensortypes2,P:±1.5%ofadjustablerange Sensortypes3-9,W:±1%ofadjustablerange Differentialpressuremodels:K1toK3:±1%,K4toK6:±1.5%ofadjustable range
united StateS and canadaul listed, cul certifiedClassI,Division1and2,GroupsA,B,C&DClassII,Division1and2,GroupsE,F&GClassIIIClassI,Zone1,GroupIICEnclosureType4XPressure:UL508&1203;CSAC22.2No.14,25&30-File#E40857DualsealcertifiedtoANSI/ISA12.27.01(meetsCEC&NECsecondarysealrequirements)standardonstraightpressuremodelsonlyTemperature:UL873,1203;CSAC22.2No.24,25&30-File#E43374
eurOpean uniOnateX directive 94/9/ecII2GExdIICT6GbII2DExtbIIICT85°CDbTamb=-50°Cto+80°CULInternationalDEMKOA/S(N.B.#0539)Certificate#DEMKO08ATEX0717128XEN60079-0,60079-1,60079-31
internatiOnal certiFicatiOn* (includeS auStralia) IECExCertifiedExdIICT6GbExtbIIICT85°CDbIP66Tamb.=-50°Cto80°CIEC60079-0,60079-1,60079-31Certificate#IECExUL14.0072X
Model Adjustable Set Point Range Deadband Over Range Proof Pressure** Lowerendofrangeonfall; Pressure* Highendofrangeonrise
Sensor type 2,316stainlesssteel1/2”NPT(female)pressureconnectionandweldeddiaphragm,23/32”orificeforcleanoutpurposes.Highproofpressure.Notrecommendedforhighcyclingapplications.Bellevilleactuation.(NACEMR-0175compliant)
psi bar psi bar psi bar psi bar
A 10to25 0,7to1,7 2to7 0,1to0,5 1000 68,9 2500 172,4
B 15to45 1,0to3,1 3to10 0,2to0,7 1000 68,9 2500 172,4
C 25to85 1,7to5,9 5to20 0,3to1,4 1000 68,9 2500 172,4
D 50to130 3,4to9,0 7to25 0,5to1,7 1500 103,4 2500 172,4
E 100to210 6,9to14,5 8to30 0,6to2,1 1500 103,4 2500 172,4
F 160to400 11,0to27,6 10to50 0,7to3,4 1500 103,4 2500 172,4
G 275to850 19,0to58,6 40to125 2,8to8,6 1500 103,4 2500 172,4
Sensor type 3,316Lstainlesssteel1/2”NPT(female)pressureconnection,Teflon®coatedPolyimide(Kapton®)diaphragm, BunaNO-ring,1/2”orificeforcleanoutpurposes.Bellevilleactuation.(NACEMR-0175compliant)
Sensor type 4,316Lstainlesssteel1/4”NPT(female)pressureconnection,Teflon®coatedPolyimide(Kapton®)diaphragm, BunaNO-ring,1/8”orifice.Bellevilleactuation.(NACEMR-0175compliant)
psi bar psi bar psi bar psi bar
A 8to30 0,6to2,1 2to6 0,1to0,4 600 41,4 1000 68,9
B 15to55 1,0to3,8 3to8 0,2to0,6 600 41,4 1000 68,9
C 30to170 2,1to11,7 5to15 0,3to1,0 600 41,4 1000 68,9
D 100to370 6,9to25,5 15to50 1,0to3,4 600 41,4 1000 68,9
E 200to700 13,8to48,3 40to90 2,8to6,2 1500 103,4 3000 206,8
F 400to1500 27,6to103,4 100to250 6,9to17,2 3000 206,8 4500 310,3
G 1000to3200 68,9to220,6 100to500 6,9to34,5 6000 413,7 10000 689,5
H 2000to6000 137,9to413,7 400to800 27,6to55,2 8000 551,6 10000 689,5
Model Adjustable Set Point Range Deadband Over Range Proof Pressure** Lowerendofrangeonfall; Pressure* Highendofrangeonrise
Sensor type 5,316Lstainlesssteel1/2”NPT(female)pressureconnectionanddiaphragm,Viton®O-ring,1/2”orificeforcleanoutpurposes.Bellevilleactuation.(NACEMR-0175compliant)
Sensor type 6,316Lstainlesssteel1/4”NPT(female)pressureconnectionanddiaphragm,Viton®O-ring,1/8”orifice.Bellevilleactuation.(NACEMR-0175compliant)
psi bar psi bar psi bar psi bar
A 9to35 0,6to2,4 2to7 0,1to0,5 600 41,4 1000 68,9
B 25to65 1,7to4,5 3to10 0,2to0,7 600 41,4 1000 68,9
C 50to150 3,4to10,3 5to15 0,3to1,0 600 41,4 1000 68,9
D 100to350 6,9to24,1 15to50 1,0to3,4 600 41,4 1000 68,9
E 250to700 17,2to48,3 40to95 2,8to6,6 1500 103,4 3000 206,8
F 400to1500 27,6to103,4 100to300 6,9to20,7 3000 206,8 4500 310,3
G 1000to3200 68,9to220,6 100to500 6,9to34,5 6000 413,7 10000 689,5
H 2000to6000 137,9to413,7 400to1000 27,6to68,9 8000 551,6 10000 689,5
Sensor type 7,1/2”316LstainlesssteelNPT(female)pressureconnectionandweldeddiaphragm.Large23/32”orificeforcleanoutpurposes.Bellevilleactuation.(NACEMR-0175compliant)
psi bar psi bar psi bar psi bar
A 3to15 0,2to1,0 1to4 0,1to0,3 300 20,7 500 34,5
B 10to35 0,7to2,4 1to6 0,1to0,4 300 20,7 500 34,5
C 25to85 1,7to5,9 3to11 0,2to0,8 300 20,7 500 34,5
D 65to125 4,5to8,6 6to18 0,4to1,2 300 20,7 500 34,5
Sensor type 8,316Lstainlesssteel1/4"NPT(female)pressureconnection,Teflon®coatedPolyimide(Kapton®)diaphragm(optionalHastelloy®CorMonel®),BunaNO-ring(optionalKalrez®,Viton®,EthylenePropylene,orAflas®),1/8"orifice.Non-Bellevilleactuation.(NACEMR-0175compliant)
B 15to75 1,0to5,2 1to7 0,1to0,5 600 41,4 1000 68,9
C 25to150 1,7to10,3 1to12 0,1to0,8 600 41,4 1000 68,9
D 50to450 3,4to31,0 3to36 0,2to2,5 2000 137,9 3000 206,8
E 100to900 6,9to62,1 10to60 0,7to4,1 2000 137,9 3000 206,8
F 500to2500 34,5to172,4 20to140 1,4to9,7 6000 413,7 7500 517,1
G 700to4000 48,3to275,8 40to250 2,8to17,2 6000 413,7 7500 517,1
application note: Theuseofmetallicdiaphragmswherehigherpressureshockorheavycyclingisexpectedshouldbeavoided.SensorType7or9shouldnotbeusedwheresystemorstartupvacuumpressuremightexceed26"HgVac.*Over range pressure: Themaximumpressurethatmaybeappliedcontinuouslywithoutcausingdamageandmaintainingsetpointrepeatability.**proof pressure: Themaximumpressuretowhichapressuresensormaybeoccasionallysubjected,whichcausesnopermanentdamage.Theunitmayrequirecalibration(e.g.,start-up,testing).†Adjustablerangeis4to25psi(0,3to1,7bar)forDPDTswitchoutput
12 Series1
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mOdel cHart
Model Adjustable Set Point Range Deadband Over Range Proof Pressure** Lowerendofrangeonfall; Pressure* Highendofrangeonrise
Sensor type 9,316Lstainlesssteel1/2”NPT(female)pressureconnectionandweldeddiaphragm.Large23/32”orificeforclean-outpurposes.Non-Bellevilleactuation.(NACEMR-0175compliant)
psi bar psi mbar(unlessnoted) psi bar psi bar
A 1to15 0,1to1,0 0.5to2 34,5to137,9 300 20,7 500 34,5
B 3to50 0,2to3,4 0.5to4 34,5to275,8 300 20,7 500 34,5
C 5to100 0,3to6,9 1.0to8 0,1to06bar 300 20,7 500 34,5
Sensor type p,316stainlesssteelpistonandBunaNO-Ringwith316stainlesssteel1/4"NPT(female)pressureconnection. Non-Bellevilleactuation. (NACEMR-0175compliant)
*Over range pressure: Themaximumpressurethatmaybeappliedcontinuouslywithoutcausingdamageandmaintainingsetpointrepeatability. **proof pressure:Themaximumpressuretowhichapressuresensormaybeoccasionallysubjected,whichcausesnopermanentdamage.Theunitmayrequirecalibration(e.g.,start-up,testing).application note: Theuseofmetallicdiaphragmswherehigherpressureshockorheavycyclingisexpectedshouldbeavoided.SensorType7to9shouldnotbeusedwheresystemorstartupvacuumpressuremightexceed26"HgVac.
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12 Series
Model Adjustable Set Point Range Deadband Working Proof Pressure** Lowerendofrangeonfall; Pressure Highendofrangeonrise Range***
Sensor type k,BunaNdiaphragmandsealingdiaphragmswithepoxycoatedaluminumhousingand1/8”NPT(female)pressureconnections.Non-Bellevilleactuation.303/304stainlesssteelmountingbracketattached.
Sensor type k,BunaNdiaphragmandsealingdiaphragmswithepoxycoatedaluminumhousingand1/8”NPT(female)pressureconnections.Non-Bellevilleactuation.303/304stainlesssteelmountingbracketattached.
UnitedElectricControlsCompany recommendscareful considerationof the following factors when specifying and installing UEpressure transmitters. Before installing a unit, the Installation andMaintenance instructions provided with unit must be read andunderstood.• Toavoiddamagingunit,proofpressureandmaximumtemperature
limits stated in literature and on nameplates must never beexceeded,evenbysurgesinthesystem.Operationoftheunituptomaximumpressureor temperature is acceptableona limitedbasis (i.e., start-up, testing) but continuous operationmust berestrictedtothedesignatedadjustablerange.Excessivecyclingatmaximumpressureortemperaturelimitscouldreducesensorlife.
• A back-up unit is necessary for applications where damage toaprimaryunit couldendanger life, limborproperty.Ahighorlowlimitswitchisnecessaryforapplicationswhereadangerousrunawayconditioncouldresult.
• Install unit where shock, vibration and ambient temperaturefluctuations will not damage unit or affect operation. Whenapplicable, orient unit so that moisture does not enter theenclosure via the electrical connection. When appropriate, thisentrypointshouldbesealedtopreventmoistureentry.
• Preventativemaintenance and periodic testing is necessary forcritical applicationswhere damage could endanger property orpersonnel.
• Supplyvoltage stated in literatureandonnameplatemustnotbeexceeded.Overloadonatransmittercancausedamage,evenon the first cycle. Wire unit according to local and nationalelectrical codes, using wire size recommended in installationsheet.
Seller warrants that the product hereby purchased is, upon delivery,free from defects in material and workmanship and that any suchproduct which is found to be defective in such workmanship ormaterial will be repaired or replaced by Seller (Ex-works, Factory,Watertown,Massachusetts. INCOTERMS);provided,however, that thiswarranty applies only to equipment found to be so defective withina period of 36 months from the date of manufacture by the Seller.Seller shall not be obligated under this warranty for alleged defectswhich examination discloses are due to tampering, misuse, neglect,improper storage, and in any case where products are disassembledbyanyoneotherthanauthorizedSeller’s representatives.EXCEPTFORTHE LIMITED WARRANTY OF REPAIR AND REPLACEMENT STATEDABOVE, SELLER DISCLAIMS ALL WARRANTIES WHATSOEVER WITHRESPECTTOTHEPRODUCT, INCLUDINGALL IMPLIEDWARRANTIESOFMERCHANTABILITYORFITNESSFORANYPARTICULARPURPOSE.
limitatiOn OF Seller’S liability
SELLER’SLIABILITYTOBUYERFORANYLOSSORCLAIM,INCLUDINGLIABILITY INCURRED IN CONNECTION WITH (I) BREACH OF ANYWARRANTY WHATSOEVER, EXPRESSED OR IMPLIED, (II) A BREACHOF CONTRACT, (III) A NEGLIGENT ACT OR ACTS (OR NEGLIGENTFAILURE TO ACT) COMMITTED BY SELLER, OR (IV) AN ACT FORWHICHSTRICTLIABILITYWILLBE INPUTTEDTOSELLER, ISLIMITEDTO THE “LIMITED WARRANTY” OF REPAIR AND/OR REPLACEMENTAS SO STATED IN OUR WARRANTY OF PRODUCT. IN NO EVENTSHALL THE SELLER BE LIABLE FOR ANY SPECIAL, INDIRECT,CONSEQUENTIAL OR OTHER DAMAGES OF A LIKE GENERALNATURE, INCLUDING, WITHOUT LIMITATION, LOSS OF PROFITS ORPRODUCTION, OR LOSS OR EXPENSES OF ANY NATURE INCURREDBYTHEBUYERORANYTHIRDPARTY.
UE specifications subject to change without notice.