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  3. ENDRESS HAUSER 77WS40-BA012F00

ENDRESS HAUSER 77WS40-BA012F00 Prowirl Hart

77ws40-ba012f00 Endress Hauser Prowirl 77 Hart

( Brand: Endress Hauser ), ( Manufacturer Part Number: 77WS40-BA012F00 ), ( Port Diameter: 1 1/2 ), ( Custom Bundle: No )

Review ENDRESS HAUSER Prowirl Hart

The **Endress Hauser 77WS40-BA012F00 Prowirl HART** is a high-performance, field-mountable magnetic-inductive flowmeter designed for precise and reliable measurement of liquid flow in industrial and process applications. Engineered with Endress Hauser s signature precision and durability, this device combines advanced Prowirl technology with HART communication capabilities to deliver accurate, real-time flow data while ensuring seamless integration into existing automation systems. The 77WS40 series features a robust, compact design optimized for installation in challenging environments, including harsh chemical, petrochemical, and water treatment facilities where reliability and low maintenance are critical. Its magnetic-inductive measurement principle ensures non-intrusive, wear-free operation, eliminating the need for moving parts that could fail over time, thus reducing downtime and maintenance costs. The flowmeter s wide turndown ratio of up to 100:1 accommodates a broad range of flow rates, from low to high velocities, making it versatile for applications such as water and wastewater treatment, chemical processing, power generation, and food and beverage production. The HART protocol enables bidirectional communication, allowing operators to remotely monitor flow rates, diagnose potential issues, and configure parameters directly from a control system or handheld device, enhancing operational efficiency and troubleshooting capabilities. With its robust stainless steel construction and IP68-rated housing, the 77WS40 is built to withstand extreme temperatures, high pressures, and corrosive media, ensuring long-term performance even in the most demanding industrial settings. Additionally, the device s modular design allows for easy calibration, maintenance, and replacement of components, further extending its operational lifespan. Whether deployed in a critical process line or a remote monitoring application, the Endress Hauser 77WS40-BA012F00 Prowirl HART delivers unmatched accuracy, durability, and connectivity, making it an indispensable asset for industries where flow measurement precision is non-negotiable.

### **Pros and Cons of buying a Endress Hauser 77WS40-BA012F00 (ProWirl HART)**

#### **Pros**

1. **High Accuracy and Reliability** The ProWirl series is known for its precise flow measurement, making it suitable for applications requiring consistent and reliable data, such as process control in industrial settings.

2. **HART Communication Protocol** The device supports the HART protocol, allowing for easy integration with existing SCADA systems, PLCs, and other industrial control networks. This enables remote monitoring, diagnostics, and configuration adjustments.

3. **Wide Flow Range** The 77WS40 model is designed for a broad flow range (typically up to 100 m /h or higher, depending on the installation), making it versatile for various applications, including water, wastewater, and industrial fluids.

4. **Durable Construction** Endress Hauser devices are built to withstand harsh environments, including high-pressure and corrosive conditions, ensuring long-term performance.

5. **Low Maintenance Requirements** The turbine meter design generally requires minimal maintenance compared to other flow measurement technologies, reducing downtime and operational costs.

6. **Compatibility with Various Fluids** The unit can handle a range of liquids, including clean water, oils, and certain chemicals, depending on the material of construction (e.g., stainless steel, PVDF).

7. **Easy Installation** The compact and modular design simplifies installation in pipelines, reducing installation time and costs.

8. **Energy Efficiency** Turbine meters are known for their low-pressure drop, which helps maintain system efficiency and reduces energy consumption.

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#### **Cons**

1. **Limited to Liquid Applications** The ProWirl is not suitable for measuring gases or steam; it is designed exclusively for liquid flow.

2. **Sensitivity to Particle Contamination** Turbine meters can be affected by suspended particles or debris in the fluid, which may lead to wear and reduced accuracy over time. Regular filtration may be required.

3. **Cost Considerations** While Endress Hauser devices are high-quality, they may be more expensive upfront compared to basic mechanical meters or ultrasonic alternatives, depending on the application.

4. **Calibration Needs** Like all flow meters, the ProWirl requires periodic calibration to ensure accuracy, which adds to maintenance overhead.

5. **Limited Temperature Range** The operational temperature range may be restricted (typically up to 120 C or 250 F, depending on the model), which could be a limitation in high-temperature applications.

6. **Potential for Wear Over Time** The turbine blades can wear out with prolonged use, especially in abrasive fluids, leading to drift in measurements and requiring replacement.

7. **Dependency on Flow Profile** The meter performs best in fully developed laminar or turbulent flow conditions. Poor flow profiles (e.g., swirl, turbulence) can introduce errors.

8. **HART Protocol Learning Curve** While HART is user-friendly, some operators may require training to fully utilize its diagnostic and configuration features.

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### **Conclusion**

The Endress Hauser 77WS40-BA012F00 ProWirl HART turbine meter is a robust and accurate flow measurement solution ideal for applications requiring reliable, low-maintenance liquid flow monitoring in industrial or municipal settings. Its HART compatibility, durability, and wide flow range make it a strong choice for environments where precision and integration with control systems are critical.

However, its limitations such as sensitivity to contamination, restricted temperature ranges, and higher initial cost must be carefully considered. If the application involves clean or filtered liquids with stable flow conditions, this meter is an excellent investment. For applications with high particulate loads, abrasive fluids, or extreme temperatures, alternative technologies (e.g., ultrasonic, magnetic, or vortex meters) may be more suitable.

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### **Recommendation**

**Buy the Endress Hauser 77WS40-BA012F00 if:**

- You require a high-accuracy, low-maintenance liquid flow meter for clean or filtered fluids.

- Your system supports HART communication and benefits from remote monitoring or diagnostics.

- The application involves moderate to high flow rates with stable flow profiles.

- Durability and long-term reliability are priorities, and you can justify the upfront cost.

**Consider alternatives if:**

- The fluid contains high levels of suspended solids or abrasives.

- The application involves extreme temperatures or aggressive chemicals that may degrade the meter over time.

- A lower-cost solution (e.g., a basic turbine meter or ultrasonic flowmeter) meets your accuracy and reliability needs.

- The flow profile is unpredictable or prone to turbulence.

For most industrial or municipal water/wastewater applications where accuracy and integration are key, the ProWirl remains a **strong and recommended choice**. However, always conduct a thorough assessment of your specific conditions before purchasing.

Details:

Endress Hauser Prowirl 77 HART 1/2 Does not power up 017.

part #: 77ws40ba012f00 price

  • $100.00

specifications pneumativalv:

  • brand: Endress Hauser
  • mpn: 77ws40-ba012f00
  • port diameter: 1 1/2
  • custom bundle: No

payments pneumativalv:

  • other
  • credit card: Diners-club
  • wallet: Google-pay

general pneumativalv:

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

returns pneumativalv:

  • policy: No Returns

offer pneumativalv:

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

seller pneumativalv:

  • rating: 100.0%
  • city: Farmington, New Mexico
  • # reviews: 98

shipping pneumativalv:

  • carrier: FedEx
  • class: Economy
  • service: FedEx Ground Economy
  • transit: 4-10 Days
  • type: Fixed
  • cost: $0.00
port diameter: 1 1/2, custom bundle: no,
category: business & industrial > pump flow controllers > flow controllers meters > flow sensors, sku: 11859404108673752,
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  • Used. Offer #1 priced at $100.00 + $0.00 shipping estimate = $100.00* total. Endress+Hauser Prowirl 77 HART 1 1/2" Does not power up (017).FREE SHIPPING

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