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G-0096 Rosemount Instruments Ltd. 1981/06/01 Rosemount
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1. Consumer and Consommation et Corporate Affairs corporations Legal Metrology M trologie Legale Approval No d Te Ottawa 81 06 01 NOTICE OF APPROVAL AVIS D APPROBATION Approval granted to Approbation accord e Rosemount Instruments Ltd 515 36 Avenue S E CALGARY Alberta T2G 1W5 AL prb Smith Chief Chef Electricity and Gas Division Division de l lectricit et du gaz Legal Metrology Branch Direction de la m trologie l gale Standards Building Immeuble des normes Holland Avenue avenue Holland Ottawa Ontario Ottawa Ontario KIA OC9 K1A 0C9 CCA 873 9 76 TRANSMETTEUR DE PRESSION DIFF RENTIELLE ALPHALINE MOD LE C1151 DP DE ROSEMOUNT La pr sente circulaire s ajoute l avis d approbation en date du 7 ao t 1973 Appareil Gammes de pression diff rentielle R glables dans les limites suivantes i 0 5 0 30 pouces d eau ii A 9S a n_1i En 11391175 0 A D 324 J UV do CL VW ah JV pyYur o u eau iii 0 125 0 750 pouces d eau Courant de sortie 4 20 mA c c Tension d alimentation 12 45 volts c c Plage de temp rature ambiante 28 c 50 Pression de r gime Jusqu 2000 1b po mano R sistance de boucle maximale 1650 ohms T 4 1 armer m e a 4 Raccords 4 NPT 2 1 8 entre axes sur brides 4 NPT 2 2 1 8 ou 2 entre axes avec adapteurs PS AA A AA AA A E A AM PAS AS VLOTINCALONS LECLIIQUES LOIUULLE Ge 2 Pouce de ULAueELIE avec harnac Filatraaoe
2. each of the two end caps Holes for screws on end caps shall be drilled and tapped For additional information refer to Rosemount Instruction Manual 4256 4257 or Product Data Sheet 2256 Ref G6635 R592 gii
3. UULII LL CULO Descriptior Le pr sent transmetteur est destin tre utilis lorsqu un enregistrement continu de la pression diff rentielle est requis aux fins de calcul du d bit de gaz des compteurs orifice La pression est transmise par des diaphragmes d isolation remplis St Se Si DL LS SAT RS MS a IM AAA Le EA aa mue ae ma a Las A a u nutie a Dase de SILICONE a un alapra e GELECLEUL oLLue au CEILLE UC l l ment Le diaphragme A tartour oct wun dienasitif 3 rocenrr ani fl chit e Pill Ca Blu LU UC Ll La UL ou TAAL Wh Pvt ts we Zw ZW La amp Y Ut de N LLL amp sous pression le fl chissement maximal tant de 0 004 pouce La position du diaphragme d tecteur est d cel e au moyen de plaques de condensateur log es sur les deux c t s du diaphragme Le changement de capacit est converti lectroniquement en un courant continue de sortie de 4 20 mA il a Bill at ROSEMOUNT ALPHALINE DIFFERENTIAL PRESSURE TRANSMITTER MODEL C1151 DP wr gt E rn gt wer oe Apparatus Differential pressures Adjustable within the following limited i 0 5 to 0 30 inches W C ii 0 25 to 0 150 inches W C iii 0 125 to 0 750 inches W C Output current 4 to 20 m ADC Power supply voltage 12 to 45 volts DC Ambient temperature limits 28 C to 50 C Working pressure up to 2000 psig Maximum loop resistance 1650 ohms Connections NPT on 2 1 8 centers on flanges 4 NPT on 2 2 1 8 or 2 centers with adap
4. ble fix e la partie sup rieure de l appareil 8 Pression de service maximale Afin d emp cher l acc s non autoris aux dispositifs de r glage de la port e le transmetteur doit tre plomb au moyen d un fil qui traverse quatre vis t te perc e Deux des vis doivent tre situ es sur la plaque recouvrant les dispositifs de r glage du z ro et de la port e et les deux autres doivent se trouver sur le rebord de chacune des deux coiffes Les trous destin s aux LLEC oif L O Vis UCS lu i I S struct de Rosemount 4256 4257 ou de feu ille de donn es sur le produit 2256 R f G6635 R592 i Bil 1 The two potentiometers adjustments for zero and span are located behind the nameplate This transmitter is approved for billing purposes only when used in conjunction with a compatible and approved electronic gas flow computer or recorder Each transmitter shall have a nameplate with the following information Manufacturer Model number Serial number Calibrated pressure range Output current Supply voltage Ambient temperature range Top mounted stainless steel tag SOM W ND M 8 Maximum working pressure Sealing Arrangement To prevent unauthorized access to the span adjustments the trans mitter shall be sealed by passing a sealing wire through the four screws with drilled heads Two of the screws are on the badge covering the zero and span adjustments and one screw on the lip of
5. tors Electrical connections 3 inch conduit with screw terminals Description This transmitter is intended to be used where a continuous registration of differential pressure is required for calculations of gas flow associated with orifice metering Pressure is transmitted through isolating diaphragms with silicone oil fill fluid to a sensing diaphragm in the center of the cell The sensing diaphragm is a spring element which deflects in response to applied pressure this deflection being 0 004 inches maximum The position of the sensing dia phragm is detected by capacitor plates on both sides of the diaphragm The change in capacitance is electronically converted to a 4 20 mA DC output current Te Les deux potentiom tres et les dispositifs de r glage du z ro et de la port e sont situ s l arri re de la plaque signal tique Le en transmetteur est approuv aux fins de facturation seulement lorsqu il est utilis de concert avec un totalisateur ou un enregistreur lectronique de d bit de gaz compatible et approuv mi pi f S11 a ib R rt N Y E io lt D 5 ct 0 A O ps lt D mt D rt a y pote n O rt pedo rt un Les resneigne em signal tique de chaque nome Leur 1 Nom du fabricant 2 Num ro de mod le 3 Num ro de s rie 4 Gamme de pression talonn e 5 Courant de sortie 6 Tension d alimentation 7 Plage de temp rature ambiante Plaque en acier inoxyda
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