3051DP Water Differential Pressure Transmitter – High-Accuracy DP Sensor for Flow, Level, and Filtration Measurement

3051DP Water Differential Pressure Transmitter – High-Accuracy DP Sensor for Flow, Level, and Filtration Measurement

Product Overview: 

The Rosemount® 3051DP Water Differential Pressure Transmitter is a high-performance instrument designed for precise measurement of pressure differences in water and other process fluids. Engineered with Emerson’s proven DP technology, it delivers exceptional accuracy, stability, and reliability in demanding industrial environments. The 3051DP is widely applied in flow monitoring, liquid level measurement, and filtration control, ensuring optimized system performance and reduced maintenance costs. Its rugged construction, modular design, and advanced diagnostics make it a trusted choice for water treatment, chemical processing, and power generation industries worldwide.

Specifications:

Product photos:

❓ Frequently Asked Questions (FAQ)

Q1: What is the Rosemount 3051DP Water Differential Pressure Transmitter used for?

A1: It is designed to measure the difference in pressure between two points in a water or process system. Typical applications include flow monitoring (with primary elements like orifice plates), liquid level measurement in tanks, and filtration system monitoring.

Q2: What makes the 3051DP different from other pressure transmitters?

A2: Unlike gauge or absolute pressure transmitters, the 3051DP specifically measures differential pressure. This allows it to calculate flow rates, detect filter blockages, and monitor liquid levels with high accuracy.

Q3: What is the accuracy of the 3051DP?

A3: The standard accuracy is ±0.075% of span, with options for higher accuracy depending on configuration. This ensures reliable performance in critical water and industrial applications.

Q4: Can the 3051DP be used in water treatment plants?

A4: Yes. It is widely used in water treatment and distribution systems for monitoring flow, tank levels, and filter conditions. Its rugged design ensures long-term stability in demanding environments.

Q5: What output signals are available?

A5: The 3051DP supports a 4–20 mA output with HART® communication. Other protocols, such as FOUNDATION Fieldbus and Profibus, are available in certain configurations.

Q6: What materials are available for wetted parts?

A6: Standard options include stainless steel, with Alloy C and other materials available for corrosive environments. This flexibility ensures compatibility with a wide range of water and process conditions.

Q7: Does the 3051DP support remote seals?

A7: Yes. Remote seal configurations are available for applications involving high temperature, viscous, or slurry-type fluids.

Q8: How reliable is the 3051DP over time?

A8: It offers excellent long-term stability, with a typical stability specification of up to 2 years. The premium 3051S series extends this to 10 years.

Q9: What certifications are available?

A9: The 3051DP is certified for global use, with CE, ATEX, FM, CSA, and other approvals depending on the model.

Q10: How do I select the right model for my application?

A10: Selection depends on your measurement needs—flow, level, or filtration—along with process conditions such as pressure range, temperature, and material compatibility. Emerson provides detailed model codes to configure the transmitter precisely.

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