Rosemount 3051CD Differential Pressure Transmitter
1. General Description
The Rosemount 3051CD Differential Pressure Transmitter belongs to the trusted 3051 series, known for its high Accuracy and long-term stability. Engineers across various industries, including oil and gas, power, and chemical processing, utilize it to measure differential pressure in flow, level, and pressure applications.
Rosemount designed the 3051CD around its patented coplanar platform, which simplifies installation and minimizes the number of leak points. This platform allows users to mount valves and primary elements directly, reducing both system complexity and installation costs.
With its robust construction and advanced diagnostics, the 3051CD performs reliably in demanding environments. Its modular design and flexible configuration options make it a go-to solution for professionals seeking consistent and efficient pressure measurement.
2. Technical Specifications
l Pressure Ranges:
Range 0: 750 psi (51.7 bar)
Range 1: 2000 psig (137.9 bar)
l Ranges 2–5: Up to 4500 psig (310.3 bar) depending on configuration
l Accuracy:
About the Accuracy of ±0.065% of span
l Output Options:
Three-wire 1–5 V dc or 0.8–3.2 V dc, user-selectable
l Power Supply:
Operates on 6–12 V DC with a power consumption of 3.0 mA
l Overpressure Limits:
Range-dependent, up to 4500 psig
l Environmental Ratings:
Designed to operate in harsh conditions with a wide temperature range
3.Rosemount 3051CD Features
The Rosemount 3051CD Differential Pressure Transmitter offers advanced features that ensure precise and reliable performance and standard for differential. It delivers industry-leading Accuracy up to ±0.04% of span, making it ideal for critical process applications.
Built on the flexible coplanar platform, the 3051CD allows users to mount manifolds and primary elements directly. This design reduces leak points and simplifies the installation process.
Engineers value its compact, lightweight structure, which holds up well in harsh environments. The transmitter supports a wide range of pressure measurements and adapts easily to various process conditions.
With built-in diagnostics and support for HART, FOUNDATION Fieldbus, and Profibus protocols, the 3051CD provides valuable process insights. Its modular design also makes maintenance and future upgrades straightforward.
4.Rosemount 3051CD Applications
The Rosemount 3051CD Differential Pressure Transmitter supports a wide range of applications across multiple industries. Its Accuracy, durability, and flexible design make it a trusted choice for engineers and operators.
l In the oil and gas sector, professionals utilize the 3051CD to monitor pipeline flow rates, measure pressure drops across filters, and accurately track tank levels. Its rugged design performs reliably even in corrosive and high-pressure environments.
l In chemical and petrochemical plants, the transmitter plays a crucial role in maintaining process stability. Engineers rely on it to monitor pressure across heat exchangers, reactors, and distillation columns. Its advanced diagnostics enable predictive maintenance, helping reduce downtime and improve safety.
l Power generation facilities depend on the 3051CD for steam flow and boiler feedwater monitoring. Its ability to withstand extreme temperatures and pressures makes it ideal for demanding operations.
l Water and wastewater treatment plants use the 3051CD for level and flow measurement in tanks and pipelines. Thanks to the coplanar platform, operators can install it easily with primary elements, allowing for compact and efficient system designs.
5. Installation Procedure Step-by-Step
1. Preparation:
Ensure all tools and materials are available, including the transmitter, mounting brackets, and seals.
2. Mounting the Transmitter:
For liquid applications, mount the transmitter beside or below the taps.
For gas applications, position it above or beside the taps.
Ensure that drain/vent valves are oriented upwards.
3. Assembling Process Flanges:
If applicable, assemble process flanges or manifolds to ensure a tight seal.
4. Wiring Connections:
Connect wiring according to the wiring diagram provided in the manual.
Use shielded twisted-pair cable for optimal results.
5. Powering Up:
If equipped, connect the power supply to the transmitter and verify operation through the LCD.
6. Final Checks:
Inspect all connections and seals before commissioning the device into service.
6. Rosemount 3051CD Related Part Numbers
l Rosemount 3051CA
l Rosemount 3051CG
l Rosemount 3051T






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