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Emerson Rosemount 3051

Emerson Rosemount 3051 Specification

Control System
HART/Fieldbus Protocol

Mounting Type
Direct or Remote Mount

Features
Smart Diagnostics, Integral LCD Display, Remote Seal Capability

Theory
Differential Pressure Measurement

Inlet/Outlet
1/4-18 NPT Female

Working Temperature
-40 to 85C

Material
316 SST, Alloy C-276, Hastelloy, and more

Structure
Compact, two-wire transmitter

Power
Loop-powered (4-20 mA)

Standard
IECEx, ATEX, FM, CSA approvals

Pressure
up to 4000 psi (276 bar)

Usage
Pressure and Level Measurement in Industrial Processes

Application
Process Industries, Chemical, Oil & Gas, Power Plants

Seals Type
Fluorocarbon, Teflon, or Buna-N

Weight
3.8 - 5.7 kg (depending on options)

Power Supply Range
10.5-42.4 VDC

Enclosure Rating
IP66/67, NEMA 4X

Display
Optional Local Display

Output Signal
4-20 mA with HART protocol

Explosion Proof Rating
Explosion-proof and Intrinsically Safe Options

Reference Accuracy
0.04% of span

Turn Down Ratio
100:1

Process Connections
1/4-18 NPT, 1/2-14 NPT, Rc1/4

Zero/Span Adjustments
External push buttons

Stability
0.125% of URL for 5 years

Emerson Rosemount 3051 Trade Information

Minimum Order Quantity
1 Unit

Delivery Time
1 Week

About Emerson Rosemount 3051

The industry-proven Rosemount 3051 with patented Coplanar technology allows for direct mounting in multiple measurement applications. 10-year stability and 150:1 rangedown produce reliable measurements and wide application flexibility. Available with a graphical, back-lit display, Bluetooth connectivity, Flow and Level specific configuration and enhanced software capabilities designed to access the data you need faster than ever before.

Specification

Warranty: Up to 5-year limited warranty

Rangedown: Up to 150:1

Communication Protocol: 4-20 MA HART, WirelessHART, FOUNDATION fieldbus, PROFIBUS PA, 1-5 V Low Power HART

Measurement Range: Up to 2000 psi (137,89 bar) differential
Up to 2000 psig (137,89 bar) gage
Up to 4000 psia (275,79 bar) absolute

Process Wetted Material: 316L SST, Alloy C-276, Alloy 400, Tantalum, Gold-plated 316L SST, Gold-plated Alloy 400

Diagnostics: Basic Diagnostics, Process Alerts, Loop Integrity Diagnostics, Plugged Impulse Line Diagnostics

Certifications/Approvals: SIL 2/3 certified to IEC 61508 by an independent 3rd party, NSF, NACE, hazardous location, see full specs for complete list of certifications

Wireless Update Rate: 1 sec. to 60 min., user selectable

Power Module Life: Up to 10-year life, field replaceable (order separately)

Wireless Range: Internal antenna (225 m)

Exceptional Accuracy and Versatility

The Rosemount 3051 ensures precision with a reference accuracy of 0.04% of span and a 100:1 turndown ratio, making it highly adaptable for wide-ranging measurement spans. Its compact design suits both direct and remote mounting in constrained spaces. Supported process connections and materials, such as 316 SST and Hastelloy, provide flexibility and corrosion resistance for numerous industrial environments.

Robust Safety and Compliance

Engineered for hazardous environments, the transmitter holds IECEx, ATEX, FM, and CSA approvals. Explosion-proof and intrinsically safe device options are available, with enclosure ratings up to IP66/67 and NEMA 4X for complete environmental sealing. This ensures reliable operation in the most demanding process industries, like chemical plants and oil refineries.

Intuitive Operation and Advanced Features

The Rosemount 3051 integrates smart diagnostics and can be easily configured via HART or Fieldbus protocol. The optional integral LCD display allows for real-time reading and status checks, while external zero/span push buttons enable straightforward calibration adjustments. Remote seal capability accommodates diverse process requirements, making it a versatile addition to any industrial automation setup.

FAQ's of Emerson Rosemount 3051:

Q: How does the Rosemount 3051 transmitter improve process reliability?

A: The Emerson Rosemount 3051 features high reference accuracy (0.04% of span) and stability (0.125% of URL over 5 years), ensuring dependable, long-term pressure and level measurements. Its explosion-proof and intrinsically safe ratings, combined with robust materials, help maintain accurate control in harsh industrial environments.

Q: What are the primary industrial applications for the Rosemount 3051?

A: This transmitter is widely used for pressure and level measurement in process industries such as chemical plants, oil & gas refineries, and power plants. Its versatile mounting options and material selections make it suitable for most critical and hazardous process applications.

Q: When should I use the optional local display on the Rosemount 3051?

A: The optional integral LCD display is recommended when immediate, on-site monitoring of measurement values or device status is required. It enhances maintenance efficiency and allows for quick diagnostics without needing remote system access.

Q: Where can the Rosemount 3051 be installed based on its enclosure and safety approvals?

A: Due to its IP66/67 and NEMA 4X enclosure ratings, as well as IECEx, ATEX, FM, and CSA certifications, the transmitter can be safely used in both indoor and outdoor locations, including areas classified as hazardous by explosion-proof or intrinsically safe standards.

Q: How do the external zero and span adjustment buttons benefit process calibration?

A: External push buttons enable easy, fast in-field calibration of zero and span settings without opening the housing, reducing downtime and minimizing exposure to hazardous environments during setup or maintenance.

Q: What process connections and material options are available for the Rosemount 3051?

A: The transmitter supports 1/4-18 NPT, 1/2-14 NPT, and Rc1/4 process connections. Material choices include 316 stainless steel, Alloy C-276, Hastelloy, and others, allowing compatibility with a wide variety of process fluids and conditions.