142U2D301CACAB165240 Emerson

142U2D301CACAB165240 Emerson Input module

Product  Description：

The Emerson product code 142U2D301CACAB165240 corresponds to a specific configuration of the Rosemount 3051S Series of Scalable Pressure Transmitters. This is a high-performance, industry-leading device used for pressure, level, and flow measurement in critical industrial applications.

Product Specifications and Details

The long product code breaks down into specific model and configuration details:

• 142U: This indicates the Rosemount 3051S Series with the Coplanner™ platform, signifying a highly versatile design that can be configured as a Differential (DP), Gage (G), or Absolute (A) pressure transmitter.

• 2: This designates the Performance Class. In the 3051S series, '2' often refers to Standard Performance (or similar classification), offering excellent accuracy and stability for general industrial use.

• D: This specifies the Measurement Type as Differential Pressure (DP), meaning it measures the pressure difference between two ports.

• 3: This indicates the Pressure Range/Cell: Often corresponding to a specific pressure range, such as 0 to 400 inches of water ($0 \text{ to } 995 \text{ mbar}$ or $0 \text{ to } 99.5 \text{ kPa}$) or similar low-to-medium differential spans.

• 01C: This specifies the Transmitter Output and Protocol, which is commonly 4-20 mA with HART protocol, the industry standard for analog output combined with digital communication.

• ACA: This part of the code defines the Manifold and Seal Assembly. 'ACA' likely indicates a specific type of 316 SST Coplanar Flange with a standard process connection and a specific fill fluid (like silicone or inert).

• B: This often designates the Housing Material and Conduit Entry, such as Aluminum Housing with a specific NPT conduit connection.

• 1: This usually specifies the Certifications and Approvals, which could be FM/CSA Explosion-proof and Intrinsically Safe, indicating suitability for hazardous areas.

• 65: This refers to the Display and Interface option. '65' often indicates the presence of a Local Operator Interface (LOI), a five-button configuration that allows for local configuration and calibration without a field communicator.

• 240: This and subsequent numbers represent additional options, such as special calibration, material tests, or specific documentation requirements.

Product Advantages

• Superior Performance: The 3051S series offers industry-leading reference accuracy and a high level of installed stability (often $\pm 0.15\%$ for five years), minimizing drift and the need for frequent calibration.

• Scalable Architecture: The Coplanar platform allows for easy integration with primary elements and process connections, making it a highly flexible solution for different flow, level, and pressure applications.

• Advanced Diagnostics: The HART protocol combined with the Local Operator Interface (LOI) provides advanced diagnostic capabilities for monitoring the transmitter's health and the integrity of the electrical loop.

• Reduced Maintenance: The high stability and robust design reduce maintenance costs and downtime.

• Safety Approvals: The comprehensive hazardous area approvals (FM/CSA) ensure it can be safely installed in a wide range of challenging industrial environments.

Important Considerations (Precautions)

• Wiring Procedures: Always follow the wiring diagram provided in the installation manual. Ensure all power is removed before wiring to prevent electric shock and instrument damage.

• Hazardous Locations: For installations in hazardous areas, strictly adhere to the requirements of the chosen approval (e.g., FM/CSA). Use approved barriers or seals as required by the installation code.

• Process Compatibility: Verify that the wetted materials (316 SST) are chemically compatible with the process fluid to prevent corrosion and measurement failure.

• Impulse Piping: For differential pressure applications, ensure that the impulse piping is correctly installed, vented (for gas), or drained (for liquid) to prevent blockages or trapped air/gas which can cause measurement errors.

• Torque Specifications: Use a calibrated torque wrench to ensure process flange bolts and manifold bolts are tightened to the manufacturer's specified torque values to maintain a reliable seal.

Product Applications

The Rosemount 3051S Differential Pressure Transmitter is a workhorse in continuous process industries.

• Flow Measurement: When connected to a primary element (like an orifice plate, venturi, or flow nozzle), it precisely measures the differential pressure, which is then used to calculate mass or volumetric flow rate of liquids, gases, or steam.

• Level Measurement: Used to measure the hydrostatic pressure of a tank or vessel, where the differential pressure measurement can determine the liquid level. This is common in reactors, boilers, and storage tanks.

• Pressure Control: Used as the feedback element in control loops for monitoring and maintaining pressure within vessels and pipelines in refineries, chemical plants, and power generation facilities.

• Filtration Monitoring: Measuring the pressure drop across filters and strainers to determine when they need cleaning or replacement.

The structure and details of the product：

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Warranty: one year

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