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Rosemount 2051C Differential and Gauge Pressure Transmitter

Rosemount 2051C Differential and Gauge Pressure Transmitter is a versatile industrial device designed for accurate differential and gauge pressure measurement in flow, level, and pressure applications. It offers up to 0.075% accuracy, 100:1 rangedown, and flexible Coplanar™ mounting, making it reliable for general-purpose process control environments.

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Description

The Rosemount 2051C Differential and Gauge Pressure Transmitter is engineered with a robust Coplanar™ platform that enables direct mounting to manifolds, primary elements, and diaphragm seals, reducing installation complexity and improving measurement performance. It provides a standard reference accuracy of ±0.075% of span, with an optional enhanced accuracy of ±0.065%, ensuring precise and repeatable readings. The transmitter supports a wide calibrated span range from 0.5 inH₂O up to 2000 psi (1.2 mbar to 276 bar), along with a 100:1 rangeability, making it adaptable to both low and high-pressure applications.

Its wetted parts are constructed from durable materials such as 316L stainless steel and Hastelloy C-276, ensuring resistance to corrosion and harsh process conditions. In addition, the transmitter offers multiple communication protocols including 4–20 mA HART, FOUNDATION fieldbus, and low-power HART options, allowing seamless integration into modern control and monitoring systems. It features long-term stability of ±0.10% over two years, with an optional five-year stability configuration for reduced calibration frequency.

QTech Safety is a leading supplier of Rosemount 2051C Differential and Gauge Pressure Transmitter in Ireland, offering competitive prices and fast worldwide shipping across United Kingdom (UK), Germany, France, Italy, Spain, United States USA, Canada, Mexico, and Western Australia (Perth). Buy Rosemount Pressure Sensor from one of Ireland’s most trusted industrial safety equipment suppliers.

Features of Rosemount 2051C Differential and Gauge Pressure Transmitter

  • Accuracy up to ±0.075% (optional ±0.065%)
  • 100:1 rangedown for flexible measurement
  • Measurement range from 0.5 inH₂O to 2000 psi
  • 2-year stability ±0.10% (optional 5-year stability)
  • Supports HART, FOUNDATION fieldbus, low-power HART
  • Coplanar™ design for direct mounting and integration
  • Robust construction with 316L SST & Hastelloy C-276
  • Hazardous area certifications (ATEX, IECEx, etc.)

Technical Specifications of Rosemount 2051C

  • Type: Coplanar pressure transmitter for differential (CD) and gauge (CG) pressure
  • Pressure ranges:
    • Differential: –25 to 25 inH₂O up to –2000 to 2000 psi (–62 mbar to 138 bar)
    • Gauge: –14.2 to 300 psi up to –14.2 to 2000 psi (–0.98 to 138 bar)
  • Accuracy: 0.075% of span (standard); optional 0.065% or up to 0.05% (high performance)
  • Stability: 0.10% of URL for 2 years; optional 5-year stability
  • Rangeability: 100:1
  • Output: 4-20 mA with HART (default), WirelessHART, FOUNDATION Fieldbus, PROFIBUS PA, or 1-5 Vdc low power
  • Power supply: 10.5–42.4 Vdc (for 4-20 mA HART)
  • Process wetted materials: 316L SST, Alloy C-276, Tantalum (diaphragms)
  • Sensor fill fluid: Silicone or inert (halocarbon)
  • Coplanar platform: Direct mount to manifolds, remote seals, or primary elements
  • Local Operator Interface (LOI): Optional push-button configuration and display
  • Certifications: SIL 2/3 (IEC 61508), hazardous area approvals, NACE, NSF
  • Design: Compact coplanar flange for easy installation and integration
  • Warranty: Up to 5-year limited warranty

Pressure Sensor Part Number & Configuration Guide

Standard (Example) Part Number

2051CG1A02A1A

This is a reference configuration for the Rosemount Pressure Sensors. It represents one commonly supplied setup and helps customers understand how the part number is structured.

Configurable Part Number Format

2051CXXXXXXXX

Each X / XX in the part number indicates a selectable option that can be customized based on your application requirements such as Connection Type, Pressure Range, Output, Materials of Construction, Measurement Type, Process Connection, Housing Material & Transmitter Output.

Important: Final part number depends on the exact configuration needed for your machinery, environment, and monitoring system.

Applications

The Rosemount 2051C Differential and Gauge Pressure Transmitter is commonly used in industrial calibration and testing applications, including:

  • Differential pressure flow measurement (orifice, venturi, etc.)
  • Tank level measurement using DP method
  • Process pressure monitoring in oil & gas
  • Boiler and steam system pressure control
  • Chemical and water treatment process monitoring

Why Choose QTech Safety?

At QTech Safety, we’re more than just a safety supplier we’re your trusted partner in workplace protection and compliance.
Here’s why companies across UK and Ireland (EU) choose us for safety products and training:

  • Comprehensive Range of Safety Equipment:
    From gas detection and PPE to industrial safety tools, we offer one of the widest selections of trusted brands all at competitive Irish market prices.
  • Test & Measurement Instruments You Can Trust:
    We supply a wide range of test and measurement instruments from the most leading and trusted brands, including industrial sensors, multimeters, oscilloscopes, accelerometers, proximity sensors, and other advanced measurement tools to support accurate diagnostics, condition monitoring, calibration, and maintenance applications.
  • Expert Health & Safety Training:
    We provide professional health and safety training programmes designed to help your workforce stay compliant and confident on the job.
  • Fast, Reliable Delivery Worldwide:
    Whether you’re in Texas United States or Perth Western Australia, our fast delivery service ensures you get your safety equipment quickly and efficiently.
  • Trusted by European Businesses:
    We’re proud to support industries across Europe (UK) with certified safety solutions, expert advice, and responsive customer service.

We Ship Worldwide

At QTech Safety, we supply industrial sensors and instrumentation across Ireland, offering fast and reliable worldwide delivery. Through strong global logistics partnerships, we ensure efficient shipping and professional support for customers in Europe, North America, and Australia.

🡆 Europe (United Kingdom, Ireland, Germany, France, Italy, Spain, and the rest of European Union)
🡆 Australia (Western Australia WA, Queensland QLD, and New South Wales NSW)
🡆 North America (United States, Canada, Mexico)