Rosemount 3051S Datasheet: Specs, Features, And More

Nov 18, 2025 by Alex Braham 53 views

Hey guys! Are you looking for comprehensive information about the Emerson Rosemount 3051S pressure transmitter? You've landed in the right spot! This article dives deep into the Rosemount 3051S datasheet, covering everything from its key features and specifications to its various applications. We'll break down the technical jargon and provide you with a clear understanding of this powerful instrument. So, let's get started!

Understanding the Rosemount 3051S Pressure Transmitter

The Rosemount 3051S is a highly versatile and reliable pressure transmitter widely used in various industries for accurate pressure measurement. It's part of the Rosemount 3051 family, known for its robust performance and adaptability. Before we delve into the specifics of the datasheet, let's quickly understand what a pressure transmitter does and why the 3051S is a popular choice.

What is a Pressure Transmitter?

A pressure transmitter is a device that measures the pressure of a fluid (liquid or gas) and converts it into an electrical signal. This signal, typically in the form of a 4-20 mA current loop or a digital communication protocol, can then be transmitted to a control system or monitoring device. This allows for real-time pressure monitoring and control in various industrial processes.

Why Choose the Rosemount 3051S?

The Rosemount 3051S stands out due to its combination of accuracy, reliability, and advanced features. It's designed for demanding applications and offers several advantages:

High Accuracy: Provides precise pressure measurements, crucial for process control and optimization.
Long-Term Stability: Maintains its accuracy over extended periods, reducing the need for frequent recalibration.
Versatility: Available in various configurations and materials to suit different process conditions and media.
Advanced Diagnostics: Offers diagnostic capabilities to detect potential issues and prevent downtime.
Digital Communication: Supports various digital protocols like HART, Foundation Fieldbus, and WirelessHART for seamless integration with control systems.

Now that we have a basic understanding of the Rosemount 3051S, let's dive into the details you'll find in its datasheet.

Key Information Found in the Rosemount 3051S Datasheet

The datasheet is your go-to resource for all the technical specifications and performance characteristics of the Rosemount 3051S. It provides a comprehensive overview, allowing you to select the right transmitter for your specific application. Here's a breakdown of the key information you'll typically find:

1. Model Number and Configuration Options

The datasheet will list the various model numbers and configuration options available for the Rosemount 3051S. This is crucial for selecting the right transmitter for your needs. You'll find information on:

Pressure Type: Whether it's a differential, gauge, or absolute pressure transmitter.
- Differential Pressure: Measures the difference in pressure between two points.
- Gauge Pressure: Measures pressure relative to atmospheric pressure.
- Absolute Pressure: Measures pressure relative to a perfect vacuum.
Measurement Range: The minimum and maximum pressure the transmitter can measure.
Process Connection: The type of connection used to attach the transmitter to the process piping (e.g., threaded, flanged).
Output Signal: The type of signal the transmitter outputs (e.g., 4-20 mA, HART, Foundation Fieldbus).
Materials of Construction: The materials used for the transmitter's wetted parts (the parts that come into contact with the process fluid). This is critical for ensuring compatibility with the process fluid and preventing corrosion.

2. Performance Specifications

This section details the performance characteristics of the Rosemount 3051S, which are vital for determining its suitability for your application. Key specifications include:

Accuracy: The degree to which the transmitter's output matches the actual pressure. Higher accuracy is crucial for precise process control. The Rosemount 3051S boasts impressive accuracy, often specified as a percentage of span or reading.
Stability: The ability of the transmitter to maintain its accuracy over time. High stability reduces the need for frequent recalibration, saving time and money. The long-term stability of the 3051S is a key selling point.
Response Time: The time it takes for the transmitter's output to respond to a change in pressure. Faster response times are important for dynamic processes where pressure changes rapidly.
Operating Temperature Limits: The range of ambient and process temperatures within which the transmitter can operate reliably. Make sure the operating temperature range meets your application's requirements.
Total Probable Error (TPE): A comprehensive measure of the overall error expected from the transmitter, taking into account accuracy, temperature effects, and static pressure effects. TPE provides a more realistic estimate of performance in real-world conditions.

3. Environmental Specifications

The datasheet also outlines the environmental conditions the Rosemount 3051S can withstand. This is crucial for ensuring reliable operation in harsh environments. Key specifications include:

Ambient Temperature Limits: The range of ambient temperatures the transmitter can tolerate.
Storage Temperature Limits: The range of temperatures the transmitter can be stored in without damage.
Humidity Limits: The maximum humidity level the transmitter can withstand.
Ingress Protection (IP) Rating: A rating that indicates the transmitter's protection against dust and water ingress. A higher IP rating means better protection.
Hazardous Area Certifications: Certifications that indicate the transmitter is safe for use in hazardous locations where explosive gases or dust may be present. Common certifications include ATEX, IECEx, and FM.

4. Physical Specifications

This section covers the physical attributes of the Rosemount 3051S, such as:

Dimensions: The physical size of the transmitter, including its height, width, and depth. This is important for ensuring it fits in the available space.
Weight: The weight of the transmitter. This is important for installation considerations.
Materials of Construction: As mentioned earlier, this section details the materials used for the transmitter's housing and wetted parts. This is critical for compatibility with the process fluid.
Process Connection Size and Type: The size and type of connection used to attach the transmitter to the process piping.
Electrical Connection: The type of electrical connection used to connect the transmitter to the power supply and control system.

5. Functional Specifications

This section describes the functionality and features of the Rosemount 3051S, including:

Output Signal: The type of signal the transmitter outputs (e.g., 4-20 mA, HART, Foundation Fieldbus).
Power Supply Requirements: The voltage and current required to power the transmitter.
Digital Communication Protocols: The digital protocols supported by the transmitter (e.g., HART, Foundation Fieldbus, WirelessHART).
Diagnostics: The diagnostic capabilities of the transmitter, such as self-testing and error reporting. Advanced diagnostics can help detect potential issues and prevent downtime.
Configuration Options: The options available for configuring the transmitter, such as zero and span adjustments, damping, and engineering units.

6. Ordering Information

The datasheet will also include ordering information, which helps you specify the exact model and configuration you need. This section typically includes:

Model Number Selection Guide: A guide to help you choose the correct model number based on your requirements.
Option Codes: Codes for specifying various options and features, such as materials of construction, process connections, and output signals.
Accessories: A list of available accessories, such as mounting brackets, manifolds, and displays.

Decoding the Datasheet Jargon: Key Terms and Definitions

Datasheets can sometimes seem daunting due to the technical jargon. Let's break down some key terms you'll encounter in the Rosemount 3051S datasheet:

Span: The difference between the upper and lower range values of the transmitter.
URL (Upper Range Limit): The maximum pressure the transmitter can measure.
LRL (Lower Range Limit): The minimum pressure the transmitter can measure.
Zero-Based Span: A span where the lower range value is zero.
Suppressed Zero: A span where the lower range value is above zero.
Elevated Zero: A span where the lower range value is below zero.
Turndown: The ratio of the URL to the span. A higher turndown allows the transmitter to be used over a wider range of pressures.
Hysteresis: The difference in output for the same input pressure, depending on whether the pressure is increasing or decreasing.
Linearity: The degree to which the transmitter's output is proportional to the input pressure.
Repeatability: The ability of the transmitter to produce the same output for the same input pressure over multiple trials.
Damping: A feature that smooths out the transmitter's output signal, reducing the effects of noise and fluctuations.

Understanding these terms will empower you to interpret the datasheet accurately and make informed decisions.

Applications of the Rosemount 3051S

The Rosemount 3051S is a versatile pressure transmitter used across a wide range of industries and applications. Here are some common examples:

Oil and Gas: Monitoring pressure in pipelines, tanks, and other equipment.
Chemical Processing: Measuring pressure in reactors, distillation columns, and other chemical processes.
Power Generation: Monitoring pressure in boilers, turbines, and other power generation equipment.
Water and Wastewater Treatment: Measuring pressure in pumps, pipelines, and tanks.
Pharmaceuticals: Measuring pressure in reactors, fermenters, and other pharmaceutical processes.
Food and Beverage: Monitoring pressure in tanks, pipelines, and other food and beverage processes.

Within these industries, the Rosemount 3051S can be used for various applications, including:

Level Measurement: Using differential pressure to measure liquid level in tanks.
Flow Measurement: Using differential pressure to measure flow rates in pipes.
Pressure Control: Providing feedback for pressure control loops.
Process Monitoring: Monitoring pressure to ensure safe and efficient operation.

The Rosemount 3051S is a reliable and accurate pressure transmitter suitable for a multitude of applications.

How to Choose the Right Rosemount 3051S Configuration

Selecting the right configuration of the Rosemount 3051S is crucial for optimal performance and reliability. Here's a step-by-step guide to help you make the right choice:

Determine the Pressure Type: Decide whether you need a differential, gauge, or absolute pressure transmitter based on your application.
Identify the Measurement Range: Determine the minimum and maximum pressures you need to measure. Choose a transmitter with a range that covers your application's requirements, allowing for some margin.
Select the Process Connection: Choose the appropriate process connection type (e.g., threaded, flanged) and size based on your piping system.
Choose the Output Signal: Select the output signal that is compatible with your control system (e.g., 4-20 mA, HART, Foundation Fieldbus).
Specify the Materials of Construction: Choose materials that are compatible with the process fluid to prevent corrosion or other damage. Consider materials like stainless steel, Hastelloy, or Monel.
Consider Environmental Conditions: Select a transmitter with appropriate environmental ratings (e.g., temperature limits, IP rating, hazardous area certifications) for your application.
Evaluate Performance Specifications: Review the accuracy, stability, and response time specifications to ensure they meet your requirements.
Check for Digital Communication and Diagnostics: If you need advanced features, choose a transmitter with digital communication protocols and diagnostic capabilities.

By carefully considering these factors, you can select the Rosemount 3051S configuration that best meets your needs.

Where to Find the Rosemount 3051S Datasheet

The easiest way to find the Rosemount 3051S datasheet is to visit the Emerson website. You can typically find it by:

Searching on the Emerson Website: Use the search bar on the Emerson website and enter "Rosemount 3051S datasheet."
Navigating to the Rosemount Product Page: Go to the Rosemount section of the Emerson website and find the 3051S product page. The datasheet is usually available for download there.
Contacting an Emerson Representative: You can also contact an Emerson representative or distributor for assistance in obtaining the datasheet.

The datasheet is a valuable resource, so make sure you have it handy when selecting and installing a Rosemount 3051S transmitter.

Conclusion

The Rosemount 3051S is a powerful and versatile pressure transmitter that offers excellent accuracy, reliability, and performance. By understanding the information contained in its datasheet, you can select the right configuration for your application and ensure optimal performance. We've covered the key aspects of the datasheet, from model numbers and performance specifications to environmental ratings and ordering information.

Remember, the datasheet is your best friend when it comes to understanding the capabilities and limitations of the Rosemount 3051S. So, dive in, explore the details, and make informed decisions for your process measurement needs. Happy measuring!