Rosemount Pressure Transmitter 2051CD2A22A1AB4M5
Features
and Benefits
Rosemount Pressure Transmitter 2051CD2A22A1AB4M5
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Local Operator Interface
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Our Local Operator Interface features
straightforward menus and built in configuration buttons, allowing you to
commission the device on the spot without complicated training or tools –
even in hazardous area locations.
Request a Quote –
Add option code M4
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Integrated
Wireless
Quickly deploy new monitoring points to access remote and hard to reach
locations that were previously untapped by using the Rosemount 2051 Wireless Pressure Products.
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Communication
Protocols
Emerson offers a full suite of protocols including: 4–20mA HART (Revision 5
and 7), WirelessHART, FOUNDATION™ Fieldbus, and Profibus PA with the
latest DD or DTM so you can have seamless integration with any host.
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Specifications
Rosemount Pressure Transmitter 2051CD2A22A1AB4M5
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Measurement Types
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Differential, Gauge, Absolute, Level and Flow
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Output
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4-20mA HART®, FOUNDATION™ fieldbus, PROFIBUS PA, 1-5Vdc
HART® Low Power Wireless™, WirelessHART™
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Safety
Certified
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SIL 2/3 certified to IEC 61508
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Reference Accuracy
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± 0.065% of span
± 0.05% of span (with high accuracy option P8)
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Long Term Stability
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0.1% of URL for 2 years
± 0.125% of URL for 5 years (with high accuracy option P8)
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Rangedown
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100:1
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Functional specifications
Rosemount Pressure Transmitter 2051CD2A22A1AB4M5
Range and sensor limits
Table 7. Range and Sensor Limits
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2051CD, 2051CF, 2051CG, 2051L
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Range
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Minimum span
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Range and sensor limits
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Upper (URL)
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Lower (LRL)
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2051C Differential
2051CF Flowmeters
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2051C Gage(1)
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2051L Differential
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2051L Gage(1)
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1
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0.5 inH2O
(1.2 mbar)
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25 inH2O
(62.3 mbar)
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–25 inH2O
(–62.1 mbar)
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–25 inH2O
(–62.1 mbar)
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N/A
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N/A
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2
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2.5 inH2O
(6.2 mbar)
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250 inH2O
(0.62 bar)
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–250 inH2O
(–0.62 bar)
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–250 inH2O
(–0.62 bar)
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–250 inH2O
(–0.62 bar)
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–250 inH2O
(–0.62 bar)
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3
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10 inH2O
(24.9 mbar)
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1000 inH2O
(2.49 bar)
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-1000 inH2O
(-2.49 bar)
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–393 inH2O
(–979 mbar)
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–1000 inH2O
(–2.49 bar)
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–393 inH2O
(–979 mbar)
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4
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3 psi
(0.207 bar)
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300 psi
(20.7 bar)
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-300 psi
(-20,7 bar)
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–14.2 psig
(–979 mbar)
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–300 psi
(–20.7 bar)
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–14.2 psig
(–979 mbar)
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5
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20 psi
(1.38 bar)
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2000 psi
(137.9 bar)
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-2000 psi
(-137.9 bar)
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–14.2 psig
(–979 mbar)
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N/A
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N/A
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(1) Assumes atmospheric pressure of 14.7 psig.
Table 8. Range and Sensor Limits
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Range
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2051T
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Minimum span
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Range and sensor limits
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Upper
(URL)
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Lower
(LRL) (Abs)
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Lower(1)
(LRL) (Gage)
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1
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0.3 psi (20.7 mbar)
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30 psi (2.07 bar)
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0 psia (0 bar)
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–14.7 psig (–1.01 bar)
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2
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1.5 psi (0.103 bar)
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150 psi (10.3 bar)
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0 psia (0 bar)
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–14.7 psig (–1.01 bar)
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3
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8 psi (0.55 bar)
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800 psi (55.2 bar)
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0 psia (0 bar)
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–14.7 psig (–1.01 bar)
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4
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40 psi (2.76 bar)
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4000 psi (275.8 bar)
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0 psia (0 bar)
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–14.7 psig (–1.01 bar)
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5
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2,000 psi (137.9 bar)
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10,000 psi (689.5 bar)
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0 psia (0 bar)
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–14.7 psig (–1.01 bar)
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(1) Assumes atmospheric pressure of 14.7 psig.
Service
Liquid, gas, and vapor applications
Protocols
4–20 mA HART (Output
Code A)
Power supply
External power supply required. Standard transmitter operates on 10.5 to 42.4 Vdc with no load.
Load limitations
Maximum loop resistance is determined by the voltage level of the external power supply, as described by:
Max. Loop Resistance = 43.5 (Power Supply Voltage - 10.5)
Indication
Optional two line LCD/LOI Display
Zero and span adjustment requirements
Zero and span values can be set anywhere within the range limits stated in Table 7 and Table 8.
Span must be greater than or equal to the minimum span stated in Table 7 and Table 8.
Output
Two-wire 4-20mA, user selectable for linear or square root output. Digital process variable superimposed on 4-20 mA
signal, available to any host that conforms to HART protocol.
2051
Digital communications based on HART Revision 5 protocol.
2051 with selectable HART
The 2051 with Selectable HART comes with Selectable HART
Revisions. Digital communications based on HART Revision 5
(default) or Revision 7 (option code HR7) protocol can be selected. The HART revision can be switched in the field using any HART based configuration tool or the optional local operator
interface (LOI).
Local operator interface
The LOI utilizes a 2 button menu with internal and external configuration buttons. Internal buttons are always configured for Local Operator Interface. External Buttons can be configured for either LOI, (option code M4), Analog Zero and Span (option code D4) or Digital Zero Trim
(option code DZ). See 2051 with Selectable HART product manual (00809-0100-4107) for LOI configuration menu.
Rosemount Pressure Transmitter 2051CD2A22A1AB4M5:
Rosemount Coplanar Pressure Transmitter 2051C
Rosemount In-Line Pressure Transmitter 2051T
Rosemount Flowmeters 2051CF
Rosemount Liquid Level Transmitter 2051L