Designed to meet your various measurement needs, the Rosemount 4051S Transmitter is the premier solution for pressure, differential pressure level and differential pressure flow measurement. Choose the Rosemount 4051S device that best fits your needs – get the same innovative features no matter what you are measuring.
Revolutionize How You Measure Pressure
With innovative features to make your life easier, the Rosemount 4051S Pressure Transmitter gives you more – more flexibility, more performance, more insights and more peace of mind.
Designed to simplify your day-to-day operations, the Rosemount 4051S Pressure Transmitter can help you spend less time configuring your pressure transmitter and more time focusing on the tasks that matter.
- Graphical, backlit display is larger, easier to read & available in seven languages
- Intuitive user interface, so there’s less guessing
- Simplify configuration & maintenance with Bluetooth® connectivity
- Easily configure for flow & level
Say goodbye to product failures and unplanned downtime. The Rosemount 4051S Pressure Transmitter is built to withstand the toughest processes and the harshest environments. You get more peace of mind knowing it will perform day-after-day with:
- Industry-leading 20-year warranty
- Industry-leading 20-year stability
- Faster response times, less than 50ms
- 800:1 range down reduces the number of unique models you need to stock
The Rosemount 4051S Pressure Transmitter has safety built-in at its core, with more ways to help keep your team and facility safe.
- Increase personnel safety & avoid hazardous locations with Bluetooth® connectivity
- Guided proof testing & logging simplifies testing with an easy, step-by-step process
- Built-in proof testing provides reliable verification of instrument functionality to improve operational efficiency & safety
- SIL 2/3 certified to IEC 61508
With more info at your fingertips, you can make more confident decisions.
- Loop integrity continuously monitors the health of the entire electrical loop to detect potential failures before they happen
- Ensure your output responds to process changes with plugged impulse line detection
- Diagnose abnormal conditions with process intelligence & get notified before operations are impacted
- Prioritize work & avoid shutdowns with process alerts
- Built-in calibration & diagnostic logs give you access to info when you need it
Get connected with Bluetooth® technology to enable increased productivity, reliability and safety. Make real-time decisions with:
- Simplified operator rounds through fast & easy device connection
- Enhanced troubleshooting & configuration by knowing which devices need attention
- AMS Device Configurator App for a seamless experience across devices
Pressure switches provide enhanced asset protection and maintain system safety, preventing overpressure conditions.
- Reduce failure, accuracy & reliability issues that can happen with standalone switches
- Allows simple on/off control capabilities for applications without a PLC or DCS
- Track and alert based on pressure, flow or level variables & know your switch is correctly configured & working
- SIS applications provide redundant SIS path to final control element
See Transmitters in 3D
Rosemount 4051S Coplanar Pressure Transmitter
The Rosemount 4051S Coplanar™ Pressure Transmitter is designed with patented Coplanar technology and is the no-equal solution for pressure, flow and level measurements. The SuperModule™ platform design optimizes performances for accurate differential, gauge and absolute pressure measurements while allowing for installation and application flexibility.
Help Me Choose
Rosemount 4051S Pressure Transmitter
The Rosemount 4051S Pressure Transmitter offers superior accuracy, minimal maintenance and exceptional durability, making it a trusted choice for reliable and precise pressure measurement solutions.
- Ideal for gauge, absolute and differential pressure applications requiring a manifold, flange or direct process connection.
- Rosemount R305 and R306 Instrument Manifolds seamlessly integrate within the Rosemount 4051S model number.
Learn more and configure the Rosemount 4051S Pressure Transmitter below.
Rosemount 4051SLT Level Transmitter
Emerson’s diverse remote seal offering combined with the Rosemount 4051S transmitter makes the 4051SLT Level Transmitter capable of tackling the most demanding applications.
Ideal for pressurized & vented tank level measurement applications.
Designed for direct mounting, remote mounting, balanced systems and Tuned-System™ assemblies.
Welded-repairable construction allows the seal system to be repaired.
Use the sizing tool to find the best solution for your application.
Rosemount 4051SF DP Flow Meters
Rosemount 4051SF Differential Pressure Flow Meters are built on the reliable Rosemount 4051S platform, offering a versatile solution for flow measurement.
Designed for accurate and reliable flow measurement, ensuring optimal performance in various process conditions.
Arrives fully-configured, leak-tested & ready-to-install right out of the box for fast installation.
Sizing & Selection Tool streamlines the configuration process considering factors like accuracy, pressure loss and installation requirements.
Use the sizing tool to find the best solution for your application.
By the Numbers
Reimagine Your Operations with Industry-Leading Features
The Rosemount 4051S Pressure Transmitter was designed with you in mind. It’s built stronger to give you more – more insights, greater performance, higher accuracy, improved reliability and higher confidence, so you get more control of your operations.
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Accuracy
Get more confident control and more optimized operations with industry-leading accuracy.
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Year Stability
Worry-free operation with all-welded hermetically sealed SuperModule construction enables two decades of stability.
800:1
Universal Range
Simplify inventory, eliminate project uncertainty and reduce the number of unique models you need to stock.
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Year Warranty
As the first pressure transmitter to offer a 20-year warranty, take confidence in knowing it is engineered to last.
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Time Response
Gain complete control of your process with high-speed response to process changes.
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Display Languages
Available in your language including English, Chinese, French, German, Italian, Portuguese and Spanish.
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Faster Bluetooth® Connectivity
Keeps your personnel safe by avoiding hazardous locations. Plus, perform configuration, maintenance & troubleshooting faster.
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Dynamic Variables
Customize device to specific application whether it be pressure, flow or level.
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Larger Backlit Graphical Display
Do more with a larger screen that’s easier to read, gives you more information and simplifies troubleshooting.
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Process Shutdowns
Avoid process shutdowns and increase uptime with advanced diagnostics and process alerts.
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Integral Relay Switches
Pressure switches give you greater asset protection and can help prevent overpressure conditions.
Compare Pressure Transmitters
The Rosemount 4051S Pressure Transmitter builds on the proven technology of the Rosemount 3051S Pressure Transmitter. We added more functionality and improved the performance to offer you a superior pressure measurement device.
Rosemount 4051S Pressure Transmitter
- 20-year warranty and stability
- Up to 0.025% reference accuracy
- 40 ms time response
- Process Intelligence, dedicated Plugged Line & Loop Integrity Diagnostic & expanded process alerts
- 800:1 rangedown
- Enhanced remote display
- Bluetooth® connectivity
- Backlit graphical display
- Built-in proof testing
- Integral relay pressure switch capability
- 4-20 mA HART
- Expanded process alerts
- Diagnostics, calibration & proof test logs
- Improved user interface
- Dedicated flow & level configuration
- Totalizer & volume calculations available
Rosemount 3051S Pressure Transmitter
- 15-year warranty and stability
- Up to 0.025% reference accuracy
- 100 ms time response
- Process Intelligence, Plugged Line & Loop Integrity Diagnostic & process alerts
- 200:1 rangedown
- Remote display
- 4-20 mA HART, WirelessHART®, FOUNDATION Fieldbus
Easily Convert Your Pressure Transmitter to the New Rosemount 4051S Transmitter
Do you have a Rosemount 3051S Pressure Transmitter? Use this tool to convert Rosemount 3051S model numbers into Rosemount 4051S model numbers. The tool will convert any 3051S model to the equivalent 4051S model including: instrument manifolds, seal assemblies and differential pressure flow meters.
Frequently Asked Questions
The accuracy and reliability of your pressure measurement is a critical factor in your operations. The Rosemount 4051S Pressure Transmitter was engineered with accuracy and reliability in mind. If you have additional questions, please contact us.
The Rosemount 4051S Pressure Transmitter offers exceptional accuracy and long-term stability, making it ideal for critical applications where precision is paramount. It is packed with features including two integral relay switches, Bluetooth® connectivity and advanced diagnostic capabilities that help in identifying and troubleshooting issues quickly, ensuring minimal downtime. The Rosemount 4051S Pressure Transmitter is suitable for a wide range of applications, including harsh environments, due to its robust design and materials. Finally, the Rosemount 4051S platform can integrate with instrument manifolds, primary elements and remote seals, making it versatile for various measurement applications.
The Rosemount 4051S platform is highly versatile and can be used in a variety of industry applications, including flow measurement in oil and gas pipelines, level monitoring in water treatment plants and pressure control in chemical reactors. Its advanced diagnostics and SIL 2/3 certification make it suitable for safety systems in critical processes. Its robust design allows it to perform reliably in harsh environments, including extreme temperatures and corrosive conditions.
The Rosemount 4051S Pressure Transmitter is designed for long-term reliability and durability. It offers a 20-year warranty and maintenance-free operation, thanks to its robust construction and advanced technology. Additionally, it provides 20-year stability, ensuring consistent performance over extended periods. This makes it an excellent choice for applications requiring dependable and long-lasting pressure measurement solutions.
The Rosemount 4051S Pressure Transmitter can be assembled with various components to enhance its functionality. You can integrate instrument manifolds like the Rosemount R305 Integral Manifold or Rosemount R306 In-Line Manifold for isolation and equalization, making maintenance and calibration easier. Diaphragm seal systems such as the Rosemount 1299 Diaphragm Seal System can be integrated into a single Rosemount 4051SLT Level Transmitter model number to allow for protection from harsh process conditions, ensuring accurate measurements.
Additionally, primary elements like orifice plates and annubar flow elements are ideal for flow measurement applications and can be specified on the Rosemount 4051S platform through dedicated flow meter model numbers including the Rosemount 4051SFC Compact Orifice Flow Meter, Rosemount 4051SFA Annubar Flow Meter and Rosemount 4051SFP Integral Orifice Flow Meter.
There are many new features the Rosemount 4051S Pressure Transmitter. It is the first ever pressure transmitter with two built-in independent contact switches connected to the transmitter that help eliminate common pressure switch failure, as well as improve accuracy and reliability issues that can happen with stand-alone switches. It also includes advanced Bluetooth® technology, which allows for quick configuration, servicing and troubleshooting without the need for hot work permits. It also boasts enhanced software capabilities that provide faster configuration and access to critical data. The transmitter offers up to 20-year installed stability and 0.025% of span accuracy, ensuring long-term reliability.
Additionally, it includes advanced diagnostics such as Loop Integrity, Plugged Impulse Line and Process Intelligence Diagnostics to maintain optimal performance. These features make the Rosemount 4051S Pressure Transmitter a powerful tool for improving efficiency and safety in various industrial applications.
The Rosemount 4051S Pressure Transmitter achieves 20-year stability through its advanced SuperModule™ platform, which includes an all-welded hermetic design that ensures high field reliability. Its dual-capacitance Saturn™ sensor technology corrects for overpressure and line pressure effects, maintaining accurate measurements over time. The transmitter's robust construction and high-quality materials enhance its durability in various environments. Additionally, the patented electronics within the SuperModule provide consistent performance and minimize drift. These features collectively contribute to the transmitter's exceptional long-term stability and reliability.
An electromechanical relay pressure switch is an electrically operated switch that uses an electromagnet to open or close circuits. When an electrical signal is applied, the electromagnet activates, causing the switch to connect or disconnect another circuit. This allows a small control signal to manage a larger electrical load, making relays essential in various applications
Depending on how the relay is wired, this will either break or connect the circuit to another unit to drive a desired action. Each of the two relays has a Normally Closed (NC) terminal, Normally Open (NO) terminal, and Common (COM) terminal.
Each relay can be configured using the process alerts functionality within the transmitter. The process alerts and thus the relays can be set to activate based on user defined thresholds for any of the dynamic variables.
There are many benefits of integrating two built-in independent contact switches into the Rosemount 4051S Pressure Transmitter including:
- Control of equipment (pumps, compressor, lights) via relay switches directly from the Rosemount 4051S transmitter
- Know your switch is working with notifications and continuous process readings when the switch is active
- Safety certified for use in SIS applications providing redundant SIS path to final control element
- More reliable than traditional stand-alone switches using the performance of the Rosemount 4051S transmitter
- Reduce failure, accuracy and reliability issues that can happen with stand-alone switches
- Simple on/off control capability for applications without a PLC or DCS
- Enables a safety shut down or alarm (pump control, essential asset protection, tank pressure) for measurements at which the switch is activated. The switch can be activated based on any of the dynamic variables available on the Rosemount 4051S transmitter including: pressure, level, volume, flow, totalizer and module temperature.
With integrated Bluetooth® connectivity in the Rosemount 4051S Pressure Transmitter, you can quickly configure, service and troubleshoot the device without needing physical connections or hot work permits. This feature allows for faster access to configuration tasks and critical data and improves efficiency and reduces downtime. You can perform maintenance tasks remotely, enhancing safety and convenience.
Additionally, Bluetooth® connectivity enables seamless integration with mobile devices and apps, providing real-time monitoring and control. Overall, this technology simplifies operations and enhances the transmitter's usability in various industrial applications.
The fast time response option in the Rosemount 4051S Pressure Transmitter is crucial in compressor surge applications because it quickly monitors changes in pressure, detecting surge conditions. Surge occurs when the pressure in a compressor decreases to the point of momentary flow reversals, causing vibration and potential damage. By rapidly responding to these changes, the transmitter can be used to trigger control actions, such as opening blowoff or recirculation valves, to stabilize the compressor. This quick response minimizes the duration and impact of surge, enhancing the safety and efficiency of the compressor system.
To order a Rosemount 4051S Pressure Transmitter, start by using Emerson’s website and online store, contacting your sales representative or contacting an authorized distributor. You will need to specify the requirements for the pressure measurement and any additional features required, such as Bluetooth® connectivity or advanced diagnostics. Consider the environmental conditions and process requirements to select the appropriate materials and configurations, like instrument manifolds or diaphragm seals. Once you've configured your transmitter, you can place your order online or through a sales representative.
The Rosemount 4051S Pressure Transmitter offers several advanced diagnostics to enhance process reliability and safety. Process Intelligence proactively monitors for abnormal conditions, such as cavitation, column flooding and more by using statistical process monitoring and analyzing process noise levels. The Plugged Impulse Line Diagnostic detects blockages in impulse lines, preventing inaccurate pressure readings. Loop Integrity continuously checks the electrical loop for issues like corroded terminals, water in the housing or unstable power supplies, ensuring electrical loop integrity.
Additionally, the transmitter includes Safety Certified Diagnostics that improve compliance and reduce the risk of undetected failures in safety instrumented systems.
The built-in proof test option enables a periodic functional test of devices implemented within a safety loop to detect hidden failures. This feature ensures that the safety instrumented function performs its intended role by regularly checking the transmitter's output. The results are stored in the device and the log can be accessed via any asset management tool like AMS Device Manager, AMS TREX HART communicator or the AMS Device Configurator App. It simplifies the proof testing process by providing guided methods and logs, reducing the need for manual intervention and allowing for longer time between proof-tests which saves technician resources. Additionally, it enhances plant safety management by documenting test results and maintaining the required safety integrity. Overall, this option improves reliability and efficiency in maintaining critical pressure measurement systems.
