Rosemount 8705 Flanged Magnetic Flow Meter Sensors

Introduction

The Rosemount 8705 Flanged Magnetic Flow Meter Sensor is a trusted solution in industries requiring precise and reliable flow measurement. Designed with robust construction and advanced magnetic technology, this sensor delivers long-lasting performance, minimal maintenance, and superior accuracy. Whether for water, wastewater, chemical, or industrial applications, the Rosemount 8705 is engineered to meet demanding process conditions.

Key Features of Rosemount 8705 Flanged Magnetic Flow Meter Sensors

1. Durable Flanged Design

   • The flanged body ensures secure installation, leak-proof connections, and compatibility with a wide range of piping systems.

2. Advanced Magnetic Flow Technology

   • Utilizes Faraday’s Law of Electromagnetic Induction to accurately measure fluid velocity, even in applications with varying conductivity.

3. Reliable Accuracy

   • Provides consistent measurements regardless of temperature, pressure, or density changes, making it ideal for critical industrial operations.

4. Versatile Applications

   • Suitable for conductive liquids including slurries, corrosive chemicals, and wastewater.

5. Low Maintenance

   • With no moving parts, the sensor reduces downtime and operational costs, ensuring long-term reliability.

6. Material Options

   • Available in various liner materials (PTFE, PFA, Polyurethane, etc.) and electrode types to suit different fluid properties.

Technical Specifications (General Overview)

• Size Range: 1/2 inch to 36 inches (15 mm to 900 mm)

• Liner Options: PTFE, PFA, Polyurethane, Neoprene

• Electrode Materials: Stainless Steel, Hastelloy, Platinum, Titanium

• Accuracy: ±0.25% of rate

• Operating Pressure: Up to ANSI Class 600

• Temperature Range: -40°C to +150°C (varies by liner)

• Mounting Style: Flanged connection

Benefits of Using Rosemount 8705 Magnetic Flow Sensors

• High Measurement Accuracy: Stable readings under diverse process conditions.

• Reduced Maintenance: No moving parts mean less wear and tear.

• Wide Chemical Compatibility: Can handle abrasive and corrosive fluids.

• Long Service Life: Rugged construction suitable for harsh environments.

• Easy Integration: Seamless compatibility with Rosemount transmitters such as the Rosemount 8712 and 8732 series.

Applications of Rosemount 8705 Flanged Magnetic Flow Meters

• Water and Wastewater Treatment – Reliable measurement of raw water, sludge, and effluent.

• Chemical Processing – Accurate handling of corrosive and abrasive fluids.

• Food & Beverage Industry – Hygienic and reliable flow monitoring.

• Mining and Pulp & Paper – Withstands abrasive slurry conditions.

• Oil & Gas / Energy – Ensures precise flow measurement in utility and process lines.

Installation & Best Practices

• Ensure correct grounding for optimal accuracy.

• Install in a straight pipe section (minimum 5 diameters upstream and 2 downstream) to reduce turbulence.

• Avoid installation near strong electromagnetic fields.

• Select liner and electrode material based on fluid compatibility.

• Pair with Rosemount magnetic flow transmitters for enhanced diagnostics and control.

FAQs – Rosemount 8705 Flanged Magnetic Flow Meter Sensors

Q1: What makes the Rosemount 8705 different from other magnetic flow sensors?
The Rosemount 8705 is designed with a flanged body, durable liners, and a wide size range, making it highly versatile and reliable for industrial applications.

Q2: Can the Rosemount 8705 handle corrosive and abrasive fluids?
Yes, with material options like PTFE liners and Hastelloy or platinum electrodes, it can handle aggressive fluids and slurries effectively.

Q3: Is regular calibration required?
While magnetic flow meters are inherently stable, periodic verification and calibration are recommended for critical applications.

Q4: Which transmitters are compatible with the Rosemount 8705?
It works seamlessly with Rosemount 8712, 8732, and 8742 transmitters for enhanced diagnostics and digital communication.

Q5: What industries use the Rosemount 8705 most frequently?
It is widely used in water & wastewater treatment, chemical processing, pulp & paper, food & beverage, and mining industries.

Conclusion

The Rosemount 8705 Flanged Magnetic Flow Meter Sensor stands as a benchmark in flow measurement technology. With unmatched accuracy, robust durability, and broad application versatility, it is a cost-effective investment for industries seeking long-term reliability. When paired with Rosemount transmitters, it provides a complete solution for precise flow monitoring and control.