ROSEMOUNT 8705PSA060S1 Magnetic Flowtube 6IN 40V-DC

( Brand: Rosemount ), ( Manufacturer Part Number: 8705PSA060S1 ), ( Size: 6 In ), ( Voltage: Dc ), ( Reference Sku: 1754854 ), ( Product Condition: Used Excellent )

Review ROSEMOUNT Magnetic Flowtube 6in

The Rosemount 8705PSA060S1 is a high-performance, 6-inch magnetic flowtube designed for precise and reliable measurement of conductive liquids in industrial applications. Part of Emerson s trusted 8700 series, this flowtube features a robust, corrosion-resistant construction that ensures long-term durability in demanding environments, including those exposed to harsh chemicals, abrasive slurries, or extreme temperature fluctuations. Engineered with a 40V DC power supply, the device delivers consistent and accurate flow measurement with minimal maintenance, making it ideal for process industries such as water and wastewater treatment, chemical processing, food and beverage production, and pharmaceutical manufacturing. The flowtube incorporates a non-intrusive, clamp-on electromagnetic principle, eliminating the need for flow interruptions or invasive installations, which reduces downtime and operational costs. Its large 6-inch diameter accommodates high flow rates while maintaining exceptional accuracy, with a typical repeatability of 0.2% of reading and a linearity of 0.2% of range, ensuring dependable performance even under varying flow conditions. The robust stainless steel construction, including a 316L-grade liner and electrodes, provides superior resistance to corrosion and scaling, extending the device s operational lifespan in aggressive fluid environments. Additionally, the flowtube s modular design allows for easy installation and replacement, simplifying maintenance procedures and reducing system downtime. Whether deployed in critical process control applications or demanding utility monitoring systems, the Rosemount 8705PSA060S1 delivers unmatched reliability, precision, and efficiency, making it a cornerstone of modern fluid measurement solutions.

### **Pros and Cons of buying a Rosemount 8705PSA060S1 Magnetic Flow Tube (6" / 40V DC)**

#### **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 electromagnetic induction, which is less prone to clogging or wear compared to mechanical meters.

2. **Wide Application Range** Suitable for clean and mildly abrasive liquids (e.g., water, wastewater, chemicals, and slurries) in industrial, municipal, and commercial settings. The 6-inch size allows for higher flow rates, making it versatile for larger pipelines.

3. **Low Maintenance** Since it has no moving parts, the magnetic flow tube itself requires minimal maintenance beyond periodic calibration and electrode cleaning. This reduces downtime and operational costs.

4. **Durable Construction** The flow tube is typically made from high-quality materials (e.g., stainless steel or other corrosion-resistant alloys) to withstand harsh environments, including high temperatures and pressures.

5. **Compatibility with Rosemount Transmitters** The 8705PSA060S1 is designed to pair with Rosemount transmitters (e.g., 8700 series), which offer advanced features like HART communication, local display, and remote monitoring. This enhances process control and diagnostics.

6. **Energy Efficiency** The 40V DC power requirement is relatively low compared to some industrial sensors, reducing power consumption.

7. **Compliance with Standards** Rosemount products often meet industry standards (e.g., ANSI, ISO, ATEX for hazardous areas) and regulatory requirements, ensuring reliability in critical applications.

8. **Long Lifespan** With proper installation and maintenance, the flow tube can last for decades, making it a cost-effective long-term investment.

9. **Easy Installation** The modular design allows for straightforward integration into existing pipelines with minimal disruption.

10. **Support for Advanced Features** When paired with compatible transmitters, it can support features like bidirectional flow measurement, pulse output, and integration with SCADA systems.

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#### **Cons**

1. **High Initial Cost** Rosemount products are premium-grade, and the 8705 series, in particular, is priced higher than basic magnetic flow meters. The cost may be prohibitive for small-scale or budget-conscious applications.

2. **Limited to Conductive Liquids** Magnetic flow meters require the fluid to be electrically conductive. Non-conductive liquids (e.g., oils, gases, or pure water) cannot be measured accurately with this sensor.

3. **Electrode Fouling Risk** Over time, electrodes can become fouled by deposits (e.g., scale, sludge, or biological growth), requiring cleaning or replacement. This can affect accuracy and necessitate additional maintenance.

4. **Pressure Drop Considerations** While minimal, there is a slight pressure drop across the flow tube, which may impact system efficiency in high-pressure applications.

5. **Calibration Dependency** Accuracy relies on proper initial calibration and periodic recalibration. Poor calibration can lead to measurement errors.

6. **Limited Temperature Range** The specific model (8705PSA060S1) may have temperature restrictions (typically up to 120 C or 250 F, depending on the tube material). Extreme temperatures could require additional cooling or insulation.

7. **Signal Noise in Some Environments** In electrically noisy environments (e.g., near motors or power lines), the HART or analog signal may be susceptible to interference, requiring shielding or filtering.

8. **Replacement Parts Cost** While durable, replacement electrodes, linings, or flow tubes can be expensive, especially if the original manufacturer s parts are required.

9. **Not Suitable for Slurries with High Solids** Heavy or abrasive slurries can wear down the flow tube or electrodes over time, reducing lifespan.

10. **Installation Requirements** Proper installation (e.g., straight pipe runs, proper grounding, and fluid velocity) is critical. Poor installation can lead to inaccurate readings or premature failure.

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### **Conclusion**

The Rosemount 8705PSA060S1 magnetic flow tube is a high-performance, reliable solution for measuring flow in conductive liquids within industrial or critical applications. Its strengths lie in accuracy, durability, low maintenance, and compatibility with advanced monitoring systems. However, its premium cost, limitations with non-conductive fluids, and susceptibility to fouling or environmental noise must be carefully considered.

- Large-scale industrial processes (e.g., water treatment, chemical plants, oil and gas).

- Applications requiring high accuracy and long-term reliability.

- Systems where integration with SCADA or advanced control systems is necessary.

- Budget-sensitive or small-scale applications where lower-cost alternatives (e.g., turbine or ultrasonic meters) may suffice.

- Non-conductive fluids or gases.

- Environments with extreme fouling risks or high electrical noise.

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### **Recommendation**

- Your application demands high accuracy and long-term reliability in conductive liquid flow measurement.

- You can justify the higher upfront cost with the meter s performance and lifespan.

- You require integration with Rosemount transmitters or advanced monitoring systems.

- The operating conditions (temperature, pressure, fluid type) align with the meter s specifications.

- Your budget is constrained, and a lower-cost magnetic flow meter (e.g., from another manufacturer) meets your needs.

- The fluid is non-conductive or highly abrasive, as other technologies (e.g., ultrasonic, Coriolis) may be more appropriate.

- The installation environment has significant electrical noise or extreme fouling risks, which could require additional shielding or maintenance.

If purchasing, ensure proper installation by a qualified technician and establish a maintenance schedule to clean electrodes and recalibrate periodically. Pair it with a compatible Rosemount transmitter (e.g., 8700 series) to maximize functionality. For critical applications, consult with Rosemount s technical support or a flow measurement specialist to confirm compatibility with your specific process conditions.

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part #: 8705psa060s1 prices

• $531.75-$1246.45

specifications pneumativalv:

• brand: Rosemount
• mpn: 8705psa060s1
• size: 6 In
• voltage: Dc
• reference sku: 1754854
• product condition: Used Excellent

offer pneumativalv:

• best offers: True
• started: March 24, 2026
• sold: 0
• options: Ship-to-home
• quantity: 1
• availability: In Stock

seller pneumativalv:

• rating: 100.0%
• # reviews: 125862
• city: Delta, Ohio

shipping pneumativalv:

• type: Fixed
• service: Standard, Expedited, Overnight
• cost: $0.00
• transit: 3-5 Days
• class: Standard, Expedited, One-day

general pneumativalv:

• Pump Flow Controllers > Flow Controllers Meters > Flow Meters
• condition: Used

returns pneumativalv:

• policy: Returns Accepted
• time: 30 Days
• method: Money back
• paid by: Seller

payments pneumativalv:

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