Rosemount vs Endress+Hauser Pressure Transmitters: How to Choose?

Rosemount and Endress+Hauser are two well-known names in industrial process instrumentation. Their pressure transmitters are widely used in industries such as oil and gas, chemical processing, petrochemical, power generation, water treatment and other process industries.

When choosing between a Rosemount pressure transmitter and an Endress+Hauser pressure transmitter, the most important question is not simply which brand is better. The right choice depends on the measurement requirements, process conditions, control system and existing instrumentation.

This guide compares the two product ranges and explains the key factors to consider when selecting a pressure transmitter.

1. Rosemount vs Endress+Hauser: Product Range

Both manufacturers offer pressure measurement solutions for a wide range of industrial applications.

Rosemount offers widely used pressure transmitters such as the Rosemount 3051 series, as well as other models designed for pressure, differential pressure and related process measurement applications.

Endress+Hauser offers the Cerabar family of pressure transmitters, including models designed for pressure and differential pressure measurement in different process environments.

For example, the Rosemount 3051 is commonly considered for general industrial pressure and differential pressure measurement, while the Endress+Hauser Cerabar PMP51B is a modern pressure transmitter option for process applications.

2. Compare the Measurement Requirements

Before comparing brands, determine what needs to be measured.

Common requirements include:

• Gauge pressure
• Absolute pressure
• Differential pressure
• Level based on differential pressure
• Flow based on differential pressure

The application determines the appropriate transmitter configuration.

For example, a pressure transmitter used for a storage tank may have different requirements from one used for high-pressure process piping.

3. Consider Process Conditions

Process conditions are critical when selecting a pressure transmitter.

Check:

• Operating pressure
• Maximum pressure
• Process temperature
• Ambient temperature
• Process medium
• Corrosiveness
• Viscosity
• Installation location

For high-temperature or corrosive applications, the transmitter's wetted materials, seals, process connection and temperature limitations should be checked carefully.

The selected model should be evaluated according to the actual process conditions rather than based only on the brand or product family.

4. Communication and Control System Compatibility

Communication compatibility is another important consideration.

Depending on the model and configuration, industrial pressure transmitters may support communication technologies such as:

• 4–20 mA
• HART
• FOUNDATION Fieldbus
• Other digital communication options

The transmitter should be compatible with the plant's existing DCS, PLC or process control system.

If a facility already uses a particular instrumentation platform, maintaining a consistent communication and configuration environment can simplify installation, commissioning and maintenance.

5. Installation and Configuration

The same pressure transmitter may be available with different process connections, materials and configuration options.

When comparing Rosemount and Endress+Hauser products, consider:

• Process connection
• Pressure range
• Wetted materials
• Electrical connection
• Mounting arrangement
• Display requirements
• Remote installation requirements
• Communication protocol

For replacement projects, matching the existing installation configuration can help reduce modification work.

For new projects, engineers have more flexibility to select the configuration based on the process requirements.

6. Rosemount 3051 vs Cerabar PMP51B

The Rosemount 3051 and Endress+Hauser Cerabar PMP51B can both be considered for industrial pressure measurement, but they belong to different product families and should not be treated as automatic one-to-one replacements.

When comparing them, check:

The actual specifications depend on the selected model and configuration. Always confirm the manufacturer's current technical documentation before ordering.

7. Which Pressure Transmitter Should You Choose?

There is no universal answer to Rosemount vs Endress+Hauser pressure transmitters.

A Rosemount transmitter may be a practical choice when a plant already uses Rosemount instrumentation or when compatibility with an existing configuration is important.

Endress+Hauser may be preferred when the facility uses its instrumentation platform or requires a specific Cerabar configuration for the application.

For replacement projects, the existing transmitter model, process connection, pressure range and communication protocol should be checked first.

For new projects, selection should start with the process requirements.

8. What Information Is Needed for a Pressure Transmitter Quote?

To select the correct pressure transmitter, provide:

✓ Measurement type
✓ Pressure range
✓ Operating pressure
✓ Maximum pressure
✓ Process temperature
✓ Medium
✓ Process connection
✓ Wetted material requirements
✓ Output signal
✓ Communication protocol
✓ Installation requirements

A photo of the existing transmitter nameplate can also help when selecting a replacement.

Rosemount vs Endress+Hauser: Selection Checklist

When comparing the two brands, focus on:

Measurement Type + Pressure Range + Temperature + Medium + Process Connection + Communication + Installation

The brand should be considered after the actual application requirements are clearly defined.

Both Rosemount and Endress+Hauser offer established industrial pressure measurement solutions. The best choice depends on the specific process, existing instrumentation and required configuration.

Need Help Selecting a Pressure Transmitter?

We supply industrial pressure transmitters from Rosemount, Endress+Hauser and other major instrumentation brands.

Commonly supplied products include Rosemount 3051, Rosemount 3144P, and Endress+Hauser Cerabar PMP51B, subject to the required configuration.

If you are replacing an existing transmitter or selecting instruments for a new project, provide the model number, pressure range, process medium, temperature, process connection and communication requirements. Our team can help check the suitable configuration and provide a quotation.