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ROSEMOUNT 8705TSA040C1G1W1 Magnetic Flow Meter 4IN

8705tsa040c1g1w1 Rosemount Magnetic Flow Meter 4in

( Brand: Rosemount ), ( Manufacturer Part Number: 8705TSA040C1G1W1 ), ( Size: 4 In ), ( Reference Sku: 1755963 ), ( Product Condition: Used Excellent )

Review ROSEMOUNT Magnetic Flow Meter 4in

The Rosemount 8705TSA040C1G1W1 is a high-performance, 4-inch diameter magnetic flow meter engineered for demanding industrial applications where reliability, accuracy, and durability are paramount. Part of Emerson s renowned 8700 series, this flow meter is designed to deliver precise flow measurement in a wide range of liquids, including corrosive, abrasive, and viscous fluids, making it an ideal choice for industries such as water and wastewater treatment, chemical processing, pulp and paper manufacturing, and oil and gas refining. Its robust construction features a 4-inch (100 mm) stainless steel or other corrosion-resistant material lining, ensuring long-term resistance to chemical degradation while maintaining structural integrity under high-pressure conditions. The meter incorporates a non-intrusive, zero-wear magnetic field technology that eliminates the need for moving parts, reducing maintenance requirements and minimizing the risk of clogging or mechanical failure.

The 8705TSA040C1G1W1 is equipped with a **TSA (Titanium Shell Alloy)** housing, which enhances its resistance to extreme environments, including high temperatures and aggressive media, while the **C1G1** designation indicates a specific lining and electrode configuration optimized for applications involving conductive fluids. The **W1** variant signifies a wet-dry (Wet) electrode design, which is particularly effective in applications where the fluid may contain suspended solids or where electrode fouling is a concern, as it allows for easier cleaning and maintenance without removing the meter from service. The flow meter s advanced electronics provide high-resolution flow measurement with a repeatability of 0.1% of reading and an accuracy of 0.5% of reading, ensuring consistent performance even in turbulent or variable flow conditions.

For enhanced operational flexibility, the Rosemount 8705TSA040C1G1W1 is compatible with Emerson s **Amsuite** software platform, enabling seamless integration with plant-wide control systems, SCADA networks, and predictive maintenance programs. Its digital communication capabilities support protocols such as HART, Foundation Fieldbus, and Profibus, allowing for real-time monitoring, remote diagnostics, and automated calibration adjustments. The meter s compact yet sturdy design, combined with its modular mounting options, facilitates easy installation in pipelines, making it suitable for both new construction and retrofitting projects. Additionally, its compliance with industry standards such as ANSI, ISO, and API ensures compatibility with global regulatory requirements, further reinforcing its reputation as a dependable solution for critical flow measurement applications. Whether deployed in a municipal water treatment facility, a chemical plant, or an oil refinery, this flow meter delivers unmatched performance, ensuring operational efficiency and cost savings over its extended service life.

### Pros and Cons of buying a Rosemount 8705TSA040C1G1W1 Magnetic Flow Meter (4 Inch)

#### **Pros:**

1. **High Accuracy and Reliability** The Rosemount 8705 series is known for its precision in measuring flow rates, particularly in liquid applications. It uses advanced electromagnetic technology to ensure consistent performance over time.

2. **Wide Range of Applications** Suitable for a variety of liquids, including water, wastewater, chemicals, and slurries, making it versatile for industrial, municipal, and commercial use.

3. **Durable Construction** Built with robust materials, including stainless steel and corrosion-resistant coatings, ensuring longevity in harsh environments.

4. **Low Maintenance Requirements** The design minimizes wear and tear, reducing the need for frequent calibration or repairs compared to mechanical flow meters.

5. **Digital Output Options** Supports 4-20 mA current loop and HART communication, allowing for easy integration with SCADA systems and digital monitoring.

6. **Compliance with Standards** Meets industry standards such as ANSI, ISO, and AGA, ensuring reliability in regulated environments.

7. **Wide Temperature and Pressure Ratings** Capable of handling a broad range of operating conditions, including high temperatures and pressures, depending on the model configuration.

8. **Non-Intrusive Measurement** Since it uses electromagnetic induction, there are no moving parts inside the pipe, reducing clogging risks in dirty or abrasive fluids.

9. **Energy Efficiency** Low power consumption compared to some alternative flow measurement technologies.

10. **Global Brand Trust** Rosemount is a well-established brand under Emerson, known for quality and technical support, which can be valuable for long-term reliability.

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#### **Cons:**

1. **High Initial Cost** The Rosemount 8705 series is a premium product, and the 4-inch model will likely be more expensive than basic or generic magnetic flow meters.

2. **Complex Installation** Requires proper grounding and calibration, which may necessitate professional installation to ensure accuracy and avoid signal interference.

3. **Limited to Conductive Liquids** Not suitable for measuring gases, steam, or non-conductive liquids (e.g., hydrocarbons, pure water in some cases).

4. **Potential Signal Noise Issues** In environments with strong electromagnetic interference (e.g., near motors or power lines), the signal may require additional shielding or filtering.

5. **Calibration Dependency** While low-maintenance, periodic recalibration may still be required to maintain accuracy, especially in demanding applications.

6. **Limited Availability of Spare Parts** As a high-end product, finding replacement parts or service technicians may be more challenging than with more common brands.

7. **Pressure Drop Considerations** Like all inline flow meters, it introduces some pressure loss, which should be factored into system design.

8. **Size and Weight** The 4-inch model is larger and heavier than smaller versions, which may complicate installation in space-constrained environments.

9. **Learning Curve for Configuration** Advanced features like HART communication may require training for operators to fully utilize.

10. **Potential Overkill for Simple Applications** If the application does not require high precision or long-term reliability, a lower-cost alternative might suffice.

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### **Conclusion:**

The Rosemount 8705TSA040C1G1W1 magnetic flow meter is an excellent choice for applications requiring **high accuracy, durability, and low maintenance** in conductive liquids. Its advanced features, robust construction, and compatibility with digital systems make it ideal for industrial, municipal, or critical process control environments where reliability is paramount. However, its **high cost, complex installation requirements, and limitations with non-conductive fluids** may not justify the investment for simpler or less demanding applications.

### **Recommendation:** - **Buy it if:**

- You need a **highly accurate, long-lasting flow meter** for liquids in industrial, wastewater, or chemical processing.

- Your application involves **conductive fluids** and requires **low maintenance** with minimal downtime.

- You can justify the **higher upfront cost** with long-term operational savings and reliability.

- Integration with **digital monitoring systems (HART/4-20 mA)** is a priority.

- **Consider alternatives if:**

- Your budget is tight, and a **lower-cost magnetic flow meter** (e.g., from other brands like KROHNE, Siemens, or local manufacturers) meets your needs.

- You are measuring **non-conductive fluids or gases**, where other technologies (e.g., turbine, ultrasonic, or Coriolis meters) may be more appropriate.

- The application is **low-risk or non-critical**, where basic mechanical meters (e.g., orifice plates) could suffice.

- Installation expertise is limited, and you prefer a **simpler, easier-to-install** solution.

For most **high-reliability, industrial liquid flow applications**, the Rosemount 8705 is a strong recommendation due to its proven performance. However, always conduct a **cost-benefit analysis** and consult with a flow measurement specialist to ensure it aligns with your specific requirements.

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part #: 8705tsa040c1g1w1 price

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  • brand: Rosemount
  • mpn: 8705tsa040c1g1w1
  • size: 4 In
  • reference sku: 1755963
  • product condition: Used Excellent

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  • Pump Flow Controllers > Flow Controllers Meters > Flow Meters
size: 4 in, reference sku: 1755963, product condition: used excellent,
category: business & industrial > pump flow controllers > flow controllers meters > flow meters, sku: 12040232060661892,
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