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MICRO MOTION CHF100H328WU Flow Sensor T266770

Chf100h328wu Micro Motion Mass Flow Sensor Assy T266770

( Brand: Micro Motion ), ( Manufacturer Part Number: CHF100H328WU ), ( Part Type: Flow Sensor )

Review MICRO MOTION Mass Flow Sensor Assy

The **Micro Motion CHF100H328WU Flow Sensor (T266770)** is a high-performance, digital mass flow transmitter designed for demanding industrial applications where precision, reliability, and durability are paramount. Part of Emerson s renowned **Micro Motion** line, this sensor leverages advanced **Coriolis mass flow measurement technology** to deliver accurate, real-time flow data for liquids, gases, and steam across a wide range of process conditions. Engineered with a **328WU** (3-inch, welded, stainless steel) process connection, the CHF100H is built to withstand harsh environments, including high pressures (up to **6000 psig**) and extreme temperatures (from **-40 F to 600 F**), making it ideal for oil and gas, chemical processing, power generation, and water/wastewater treatment industries. Its **T266770** model variant incorporates a **HART 7 communication protocol**, enabling seamless integration with modern SCADA systems, PLCs, and field devices for enhanced monitoring, diagnostics, and control. The sensor s **dual-tube Coriolis design** ensures superior accuracy ( 0.1% of reading) and repeatability, even in applications with varying density, viscosity, or turbulent flow conditions. With built-in **self-diagnostics**, the CHF100H continuously monitors system health, detecting issues like tube wear, leaks, or signal degradation before they impact operations. Its **explosion-proof (Class I, Division 1, Groups A-D) and intrinsically safe (IECEx/ATEX certified)** construction further ensures compliance with global safety standards, making it a trusted choice for hazardous environments. Whether measuring crude oil, natural gas, or high-purity chemicals, the CHF100H328WU delivers unmatched performance, combining Emerson s legacy of innovation with robust engineering to optimize process efficiency and operational integrity.

**Pros and Cons of buying a Micro Motion CHF100H328WU Flow Sensor (T266770)**

### **Pros**

1. **High Accuracy and Precision** The CHF100H series is known for its advanced Coriolis mass flow measurement technology, which provides highly accurate and repeatable flow measurements across a wide range of fluids, including gases, liquids, and steam. This makes it suitable for critical applications in industries like oil & gas, chemical processing, and power generation.

2. **Wide Turndown Range** The sensor supports a broad turndown ratio (up to 100:1 or higher, depending on configuration), allowing it to measure both low and high flow rates efficiently without requiring multiple sensors.

3. **Multi-Phase Flow Capability** Unlike traditional flow meters, the CHF100H can measure mass flow in multiphase fluids (e.g., gas-liquid mixtures), which is valuable in applications like oil production where phase separation is impractical.

4. **Durability and Reliability** Built with robust materials (e.g., stainless steel, Hastelloy, or titanium), the sensor is designed for harsh environments, including high temperatures (up to 400 C/752 F) and pressures (up to 400 bar/5,800 psi). This ensures long-term performance with minimal maintenance.

5. **Digital Communication and Integration** The sensor supports industry-standard protocols like HART, Foundation Fieldbus, and Profibus, enabling seamless integration with SCADA systems, PLCs, and other digital infrastructure. This reduces wiring complexity and improves automation capabilities.

6. **Low Pressure Drop** Coriolis meters inherently have minimal pressure loss compared to other flow measurement technologies (e.g., orifice plates or turbine meters), which is beneficial for energy efficiency in pipelines.

7. **Versatile Applications** Suitable for a wide range of fluids, including corrosive chemicals, viscous liquids, and steam, making it a versatile choice for diverse industrial processes.

8. **Calibration and Traceability** Micro Motion sensors are often factory-calibrated and can be traceable to national standards, ensuring compliance with regulatory requirements in industries like pharmaceuticals or food processing.

9. **Reduced Maintenance** The absence of moving parts (other than the vibrating element) minimizes wear and tear, leading to lower maintenance costs over time.

10. **Compatibility with Advanced Software** The sensor can be paired with Micro Motion s software tools (e.g., FlowView, FlowTrend) for advanced analytics, such as leak detection, process optimization, and predictive maintenance.

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### **Cons**

1. **High Initial Cost** Coriolis mass flow meters, including the CHF100H, are significantly more expensive than traditional flow meters (e.g., orifice plates, turbine meters, or ultrasonic sensors). The upfront investment can be a barrier for smaller businesses or projects with tight budgets.

2. **Complex Installation and Calibration** The sensor requires precise installation (e.g., proper piping layout, straight-run requirements) and calibration to ensure accuracy. Improper installation can lead to measurement errors or even damage to the sensor. Professional expertise may be needed, adding to installation costs.

3. **Limited Suitability for Low-Flow Applications** While the CHF100H has a wide turndown range, extremely low flow rates (e.g., below the sensor s lower limit) may still pose challenges for accurate measurement. Additional considerations or flow conditioners may be required.

4. **Size and Weight** The sensor is relatively large and heavy compared to some alternative technologies (e.g., ultrasonic or insertable flow meters). This can complicate installation in space-constrained environments or retrofitting existing systems.

5. **Power Requirements** The sensor requires a power supply (typically 24V DC or 4 20 mA) and may need additional electronics (e.g., transmitters) for full functionality. This adds to the overall system cost and complexity.

6. **Potential for Condensation or Fouling** In applications involving steam or humid gases, condensation inside the sensor can affect accuracy. Similarly, fouling from particulate matter or viscous fluids may require regular cleaning or maintenance.

7. **Vendor Dependency** Micro Motion is a specialized brand, and parts, support, or replacements may not be as readily available as for more common flow meter technologies. This could lead to longer lead times for repairs or upgrades.

8. **Learning Curve for Users** Operators or engineers unfamiliar with Coriolis technology may require training to fully utilize the sensor s features, such as configuring advanced parameters or interpreting multiphase flow data.

9. **Not Ideal for Highly Abrasive Fluids** While the CHF100H is durable, extremely abrasive fluids (e.g., slurries with large particles) can still cause wear over time, potentially reducing the sensor s lifespan.

10. **Overkill for Simple Applications** For basic flow measurement in non-critical applications (e.g., water distribution, air handling), a simpler and cheaper flow meter (e.g., ultrasonic or magnetic) may suffice. The CHF100H s advanced features may not be justified for low-stakes use cases.

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### **Conclusion**

The **Micro Motion CHF100H328WU flow sensor** is a high-performance, versatile, and reliable choice for industries requiring precise mass flow measurement, especially in multiphase or harsh environments. Its advanced Coriolis technology, wide turndown range, and digital integration capabilities make it ideal for critical applications in oil & gas, chemical processing, power generation, and other demanding sectors. However, its high cost, complex installation requirements, and specialized nature may not be justified for simpler or budget-constrained applications.

### **Recommendation**

- **Buy the CHF100H328WU if:**

- You need **high-accuracy mass flow measurement** for gases, liquids, or multiphase fluids.

- Your application involves **harsh conditions** (high temperature/pressure, corrosive fluids).

- You require **seamless integration** with digital systems (SCADA, PLCs) and advanced analytics.

- The **long-term reliability and reduced maintenance** outweigh the higher upfront cost.

- You are working in industries where **compliance and traceability** are critical (e.g., pharmaceuticals, food processing).

- **Consider alternatives if:**

- Your budget is limited, and a **simpler, lower-cost flow meter** (e.g., ultrasonic, turbine, or orifice plate) can meet your needs.

- Your application involves **low-flow or non-critical measurements** where advanced features are unnecessary.

- You are dealing with **highly abrasive fluids** that may damage the sensor over time.

- Installation constraints (e.g., space, piping layout) make the CHF100H impractical.

For most **industrial applications requiring precision and robustness**, the CHF100H328WU is a strong recommendation despite its cost. However, carefully evaluate your specific requirements to ensure the investment aligns with your operational needs. Consulting with a Micro Motion representative or a flow measurement specialist can also help tailor the sensor to your exact application.

Details:

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  • mpn: Chf100h328wu
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