The all-new Rosemount™ 4051S Pressure Transmitter will help you revolutionize your pressure measurements and transform your operations. Experience the latest innovations below.
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.
Optimize performance with the Rosemount 4051S In-line Pressure Transmitter, the industry’s best-in-class solution. This scalable SuperModule platform is no-equal for gauge and absolute pressure measurement performance, as it minimizes process variability and reduces maintenance. Engineered for direct threaded connection, manifold or seal system solutions, this in-line pressure transmitter connects to the process, making installation quick and cost-effective.
Make reliable pressure measurements in extreme conditions with the Rosemount 4051SLT Level Transmitter, a best-in-class solution that offers enhanced capabilities for pressurized and vented tank level measurements. Designed to allow direct mounting, remote mounting, balanced systems and Tuned-System™ assemblies, this device can meet a variety of demands and process requirements for level applications.
Built with either a compact orifice plate or a 4-hole conditioning plate, this flow meter provides measurements for closed loop control, general purpose monitoring and custody transfer applications. Available in line sizes up to 12 in. (300 mm), this primary element is designed for gas, liquid and steam service and operates well in harsh process conditions.
The Rosemount 4051SFA Annubar Flow Meter is a no-equal solution with a patented, averaging pitot tube that delivers superior measurement accuracy over a wide flow range. Its patented T-shaped sensor is engineered with an integrated thermowell, capable of obtaining measurements via a single pipe penetration while maintaining a small profile in the pipe to reduce permanent pressure loss and increase energy savings.
The Rosemount 4051SFP Integral Orifice Flow Meter incorporates an integral orifice primary element. This meter run assembly provides easy installation and is engineered to facilitate highly accurate flow measurement in small line sizes (0.5 - 1.5 in. or 15 - 40 mm).
By the Numbers
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.
Get more confident control and more optimized operations with industry-leading accuracy.
Worry-free operation with all-welded hermetically sealed SuperModule construction enables two decades of stability.
Simplify inventory, eliminate project uncertainty and reduce the number of unique models you need to stock.
As the first pressure transmitter to offer a 20-year warranty, take confidence in knowing it is engineered to last.
Gain complete control of your process with high-speed response to process changes.
Available in your language including English, Chinese, French, German, Italian, Portuguese and Spanish.
Keeps your personnel safe by avoiding hazardous locations. Plus, perform configuration, maintenance & troubleshooting faster.
Customize device to specific application whether it be pressure, flow or level.
Do more with a larger screen that’s easier to read, gives you more information and simplifies troubleshooting.
Avoid process shutdowns and increase uptime with advanced diagnostics and process alerts.
Pressure switches give you greater asset protection and can help prevent overpressure conditions.
Our experts are ready to answer any questions you have about the Rosemount 4051S Pressure Transmitter series.
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 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. 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.
