Product Data Sheet: Rosemount 2051 - Emerson

1 Product data Sheet00813-0100-4101, Rev BAFebruary 2009 Rosemount 20514 SpecificationsReference Accuracy(1)Models(1)(1) For FOUNDATION fieldbus transmitters, use calibrated range in place of span. StandardPerformance Option, P82051 CRanges 2-5 of spanFor spans less than 10:1, accuracy =Ranges 2-5 High Accuracy Option, P8 of spanFor spans less than 10:1, accuracy =Range 1 of spanFor spans less than 15:1, accuracy =2051 TRanges 1-4 of spanFor spans less than 10:1, accuracy =Ranges 1-4 High Accuracy Option, P8 of spanFor spans less than 10:1, accuracy =Range 5 of span for spans greater than 5:12051 LRanges 2-4 of spanFor spans less than 10.

2 1, accuracy = +URLSpan--------------- % of Span +URLSpan--------------- % of Span +URLSpan--------------- % of Span % of Span % of Span +URLSpan--------------- % of Span PERFORMANCE SPECIFICATIONSFor zero based spans, reference conditions, silicone oil fill, SST materials, Coplanar flange (2051C) or 1/2 in. - 14 NPT (2051T) process connections, digital trim values set to equal range points. Applicable to 4- 20 ma HART output only unless otherwise To Specification ( 3 (Sigma))Technology leadership, advanced manufacturing techniques and statistical process control ensure specification conformance to at least 3.

3 Product data Sheet00813-0100-4101, Rev BAFebruary 20095 Rosemount 2051 Long Term StabilityDynamic PerformanceLine Pressure Effect per 1000 psi (6,9 MPa)ModelsStandardPerformance Option, P82051CD, CGRange 1 (CD)Ranges 2-5 of URL for 1 year, Reference Stability of URL for 2 years, Operating Stability of URL for 5 years, Operating Stability2051 TRanges 1-5 of URL for 2 years, Operating Stability of URL for 5 years, Operating Stability2051 LRanges 2-4 Not Specified4- 20 ma HART(1)1-5 Vdc HART Low PowerFieldbus(3)Typical HART Transmitter Response TimeTotal Response Time (Td + Tc)(2):2051C, Range 3-5:Range 1:Range 2:2051T:2051L:115 milliseconds270 milliseconds 130 milliseconds100 millisecondsSee Instrument Toolkit 152 milliseconds307 milliseconds152 milliseconds152 millisecondsSee Instrument ToolkitDead Time (Td)60 milliseconds (nominal)97 millisecondsUpdate Rate22 times per second22 times per second(1) Dead time and update rate apply to all models and ranges.

4 Analog output only(2) Nominal total response time at 75 F (24 C) reference conditions. (3) Transmitter fieldbus output only, segment macro-cycle not = Dead TimeTc = Time ConstantPressure ReleasedResponse Time = Td+ of TotalStep ChangeTime0%100% output vs. TimeFor line pressures above 2000 psi (13,7 MPa) and Ranges 4-5, see user manual ( Rosemount publication number 00809-0100-4101).ModelsLine Pressure Effect2051 CDZero Error(1)Ranges 2-3 of URL/1000 psi (68,9 bar) for line pressures from 0 to 2000 psi (0 to 13,7 MPa)Range 1 of URL/1000 psi (68,9 bar)Span ErrorRanges 2-3 of reading/1000 psi (68,9 bar)Range 1 of reading/1000 psi (68,9 bar)(1) Can be calibrated out at line data Sheet00813-0100-4101, Rev BAFebruary 2009 Rosemount 20516 Ambient Temperature Effect per 50 F (28 C)

5 Mounting Position EffectsVibration EffectLess than of URL when tested per the requirements of IEC60770-1 field or pipeline with high vibration level (10-60 Hz displacement peak amplitude / 60-2000 Hz 3g).Power Supply EffectLess than of calibrated span per Compatibility (EMC)Meets all relevant requirements of EN 61326 and NAMUR Protection (Option Code T1)Meets IEEE , Category Location B6 kV crest ( s - 100 kHz)3 kV crest (8 20 microseconds)6 kV crest ( 50 microseconds)ModelsAmbient Temperature Effect2051 CRanges 2-5 ( URL + span) from 1:1 to 5:1 ( URL + span) from 5:1 to 100:1 Range 1 ( URL + span) from 1:1 to 50:12051 TRange 2-4 ( URL + span) from 1:1 to 30.

6 1 ( URL + span) from 30:1 to 100:1 Range 1 ( URL + span) from 1:1 to 10:1 ( URL + span) from 10:1 to 100:1 Range 5 ( URL + span)2051 LSee Instrument ToolkitModelsMounting Position Effects2051 CZero shifts up to inH2O (3,1 mbar), which can be calibrated out. No span shifts up to inH2O (6,2 mbar), which can be calibrated out. No span liquid level diaphragm in vertical plane, zero shift of up to 1 inH2O (2,49 mbar). With diaphragm in horizontal plane, zero shift of up to 5 inH2O (12,43 mbar) plus extension length on extended units.

7 Zero shifts can be calibrated out. No span data Sheet00813-0100-4101, Rev BAFebruary 20097 Rosemount 2051 FUNCTIONAL SPECIFICATIONSR ange and Sensor Limits2051CD, 2051CG, 2051 LRangeMinimum SpanRange and Sensor LimitsUpper (URL)Lower (LRL) 2051C Differential2051C Gage(1)2051L Differential2051L Gage(1) inH2O(1,2 mbar)25 inH2O(62,3 mbar) 25 inH2O( 62,1 mbar) 25 inH2O( 62,1 mbar)N/ inH2O (6,2 mbar)250 inH2O(0,62 bar) 250 inH2O( 0,62 bar) 250 inH2O( 0,62 bar) 250 inH2O( 0,62 bar) 250 inH2O( 0,62 bar)310 inH2O (24,9 mbar)1000 inH2O (2,49 bar)

8 -1000 inH2O (-2,49 bar) 393 inH2O ( 979 mbar) 1000 inH2O ( 2,49 bar) 393 inH2O ( 979 mbar)43 psi (0,207 bar)300 psi (20,6 bar)-300 psi (-20,6 bar) psig( 979 mbar) 300 psi( 20,7 bar) psig( 979 mbar)520 psi (1,38 bar)2000 psi (137,9 bar)-2000 psi (-137,9 bar) psig( 979 mbar)N/AN/A(1) Assumes atmospheric pressure of SpanRange and Sensor LimitsUpper(URL)Lower (LRL) (Abs)Lower(1)(LRL) (Gage) psi(20,6 mbar)30 psi(2,06 bar)0 psia(0 bar) psig( 1,01 bar) psi(0,103 bar)150 psi(10,3 bar)0 psia(0 bar) psig( 1,01 bar)38 psi(0,55 bar)800 psi(55,2 bar)0 psia(0 bar) psig( 1,01 bar)440 psi(2,76 bar)4000 psi(275,8 bar)0 psia(0 bar) psig( 1,01 bar)52000 psi(137,9 bar) 10000 psi(689,4 bar)0 psia(0 bar) psig( 1,01 bar)(1) Assumes atmospheric pressure of data Sheet00813-0100-4101, Rev BAFebruary 2009 Rosemount 20518 ServiceLiquid, gas, and vapor applicationsProtocols4 20 ma HART ( output Code A) OutputTwo-wire 4 20 ma , user-selectable for linear or square root output .

9 Digital process variable superimposed on 4 20 ma signal, available to any host that conforms to the HART SupplyExternal power supply required. Standard transmitter operates on to V dc with no TimePerformance within specifications less than seconds after power is applied to the Limitations Maximum loop resistance is determined by the voltage level of the external power supply, as described by:FOUNDATION fieldbus ( output Code F) Power SupplyExternal power supply required; transmitters operate on to V dc transmitter terminal mA for all configurations (including LCD display option)

10 Turn-On TimePerformance within specifications less than seconds after power is applied to the fieldbus Function Block Execution TimesFOUNDATION fieldbus ParametersStandard Function BlocksResource Block Contains hardware, electronics, and diagnostic Block Contains actual sensor measurement data including the sensor diagnostics and the ability to trim the pressure sensor or recall factory Block Configures the local Analog Input Blocks Processes the measurements for input into other function blocks.