GEORG FISCHER 327511 Electro Magnectic Flow Meter 3-2551-PO-12

( Brand: Georg Fischer ), ( Manufacturer Part Number: 327511 ), ( Flow Meter Type: Electromagnetic Flow Meter ), ( Unit Type: Unit )

Review GEORG FISCHER Gf Electro Magnectic Flow Meter Part#

The **Georg Fischer GF Electro 327511 (3-2551-PO-12)** is a high-performance electromagnetic flow meter designed for precise and reliable measurement of conductive liquids in industrial, municipal, and commercial applications. Part of Georg Fischer s renowned **GF Electro** series, this flow meter combines advanced electromagnetic technology with robust construction to deliver accurate flow rate monitoring, totalization, and process control in demanding environments. The **3-2551-PO-12** model is specifically engineered for medium to large pipelines, featuring a **12-inch (300 mm) nominal diameter** lining and electrode configuration, making it ideal for applications requiring high flow rates while maintaining exceptional accuracy and durability.

At its core, the GF Electro 327511 operates on Faraday s principle of electromagnetic induction, generating a magnetic field within the flow tube that induces a voltage proportional to the velocity of conductive fluids passing through it. This voltage is then processed by an integrated electronics module, which converts it into a standardized output signal (such as 4 20 mA or pulse) for integration with PLCs, SCADA systems, or other control devices. The flow meter s **ceramic or epoxy-lined liner** ensures chemical resistance to a wide range of corrosive substances, including acids, alkalis, and abrasive slurries, while the **stainless steel or titanium electrodes** provide long-term reliability and minimal maintenance. The **PO (Pulse Output) version** of this model further enhances its versatility by enabling direct interfacing with totalizers, data loggers, or flow computers, making it suitable for applications requiring batching, inventory management, or energy accounting.

Constructed with industrial-grade materials, the GF Electro 327511 is built to withstand extreme operating conditions, including high pressures (up to **25 bar/360 psi**) and temperatures (ranging from **-20 C to 120 C / -4 F to 248 F**, depending on the liner material). Its **flanged connections** (complying with ANSI, DIN, or JIS standards) ensure secure and leak-free installation in pipelines, while the **non-intrusive measurement principle** eliminates pressure drops, making it energy-efficient for large-scale systems. The flow meter s **self-diagnostic capabilities** and **digital communication options** (such as HART or Modbus) allow for remote monitoring, predictive maintenance, and troubleshooting, reducing downtime and improving operational efficiency.

Whether deployed in wastewater treatment plants, chemical processing facilities, food and beverage production, or municipal water distribution systems, the **GF Electro 327511 (3-2551-PO-12)** delivers unmatched precision, repeatability, and longevity. Its **A-grade accuracy ( 0.5% of reading)** and **low turbulence sensitivity** ensure consistent performance even in turbulent or pulsating flow conditions, while its **modular design** allows for easy calibration, electrode replacement, and future upgrades. Backed by Georg Fischer s global reputation for innovation and engineering excellence, this flow meter represents a dependable solution for industries where flow measurement integrity is critical to safety, compliance, and cost-effective operations.

### **Pros and Cons of buying a Georg Fischer 327511 GF Electro Magnetic Flow Meter (3-2551-PO-12)**

#### **Pros**

1. **High Accuracy and Reliability**

The GF Electro Magnetic Flow Meter is known for its precise measurements, making it suitable for applications requiring strict flow monitoring, such as water treatment, industrial processes, and municipal water supply. Its electromagnetic design ensures minimal pressure loss and consistent performance over time.

2. **Wide Measurement Range**

With a range of **3 to 255 l/s (3,000 to 255,000 l/h)**, this meter is versatile for various applications, from small residential systems to large industrial pipelines. The adjustable range allows for flexibility in different flow conditions.

3. **Durable and Corrosion-Resistant Construction**

The meter is built with materials that resist corrosion, making it ideal for harsh environments, including wastewater, chemical processing, and seawater applications. The stainless steel and coated linings enhance longevity.

4. **Low Maintenance Requirements**

Unlike mechanical flow meters, electromagnetic meters have no moving parts, reducing wear and tear. The absence of obstructions (such as turbines or pistons) minimizes clogging and maintenance needs.

5. **Compliance with Industry Standards**

The GF Electro Magnetic Flow Meter meets international standards such as **IEC 60041, ISO 7145, and AWWA C702**, ensuring reliability in regulated industries. It is also suitable for **ATEX (explosion-proof) environments** if properly certified.

6. **Digital Output and Integration Capabilities**

The **PO (Process Output) version** includes a **4-20 mA analog output**, allowing easy integration with PLCs, SCADA systems, or data logging devices. This makes it suitable for automated monitoring and control systems.

7. **Long-Term Cost Efficiency**

While the initial cost may be higher than some mechanical meters, its durability and low maintenance reduce long-term operational expenses. It is particularly cost-effective in high-flow or corrosive applications where frequent replacements would be costly.

8. **Non-Invasive Measurement**

Since it measures flow based on Faraday s law (electromagnetic induction), it does not obstruct the flow, reducing pressure drops and energy losses compared to intrusive meters like orifice plates.

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#### **Cons**

1. **Higher Initial Cost**

Electromagnetic flow meters are generally more expensive upfront than mechanical or ultrasonic alternatives. The **GF Electro Magnetic Flow Meter** falls into the mid-to-high price range, which may be a barrier for budget-conscious buyers.

2. **Requires Proper Installation**

The meter must be installed in a straight section of pipe with adequate upstream and downstream straight runs (typically **5-10 pipe diameters**) to ensure accurate readings. Poor installation can lead to turbulence and measurement errors.

3. **Limited to Conductive Fluids**

Electromagnetic flow meters **only work with conductive liquids** (e.g., water, wastewater, chemicals). They are **not suitable for gases, steam, or non-conductive fluids** (e.g., oil, pure water in some cases). If the application involves non-conductive media, an alternative meter (e.g., ultrasonic or turbine) must be considered.

4. **Sensitivity to Pipe Material and Coating**

The meter s accuracy depends on the **electrical conductivity of the fluid and the pipe lining**. If the pipe is poorly lined or has insulating deposits, it can affect performance. Regular cleaning or relining may be necessary in some applications.

5. **Calibration and Setup Complexity**

Unlike plug-and-play mechanical meters, electromagnetic flow meters require **proper calibration, grounding, and excitation voltage settings**. Improper setup can lead to inaccurate readings or meter failure.

6. **Limited Pressure and Temperature Ratings (Compared to Some Alternatives)**

While robust, the **GF 327511** has **pressure ratings up to 16 bar (232 psi)** and **temperature limits up to 120 C (248 F)**. For extreme conditions (e.g., high-pressure steam or cryogenic applications), specialized meters may be required.

7. **Potential for Signal Noise in Industrial Environments**

In electrically noisy environments (e.g., near motors, transformers, or variable frequency drives), electromagnetic interference (EMI) can affect readings. Shielding and proper grounding are essential to mitigate this issue.

---

### **Conclusion**

The **Georg Fischer 327511 GF Electro Magnetic Flow Meter (3-2551-PO-12)** is a **high-quality, reliable, and accurate** choice for applications requiring precise flow measurement in **conductive liquids** across a wide range. Its **low maintenance, corrosion resistance, and digital output capabilities** make it ideal for **industrial, municipal, and water treatment** systems where long-term performance and integration with automation are critical.

However, its **higher cost, installation sensitivity, and limitations with non-conductive fluids** may make it less suitable for **budget-sensitive or specialized applications**. If the fluid is conductive and the installation conditions are met, this meter offers **superior performance** compared to mechanical or ultrasonic alternatives.

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### **Recommendation**

- You require **high-accuracy flow measurement** in **conductive liquids** (water, wastewater, chemicals).

- Your application involves **large flow rates (3 255 l/s)** with **minimal pressure loss**.

- You need **low maintenance, corrosion resistance, and long-term reliability**.

- Integration with **automation systems (4-20 mA output)** is a priority.

- The installation environment allows for **proper straight pipe runs and grounding**.

- Your fluid is **non-conductive** (e.g., oil, pure water in some cases) **Ultrasonic or turbine meter** may be better.

- You have **extreme pressure or temperature conditions** beyond the meter s ratings **Check for high-pressure or high-temperature models**.

- Budget is a **major constraint** Evaluate **lower-cost mechanical or ultrasonic meters** for simpler applications.

- The installation **does not meet straight-run requirements** **Alternative meter types (e.g., vortex or differential pressure)** may be more practical.

For most **industrial, municipal, or water treatment applications** where **accuracy, durability, and automation compatibility** are key, the **GF 327511 is an excellent choice**. Ensure proper installation and calibration to maximize its performance.

Details:

Still fully functional. Used for 1 month on a salt brine station the highway department and then we had to increase size of system so these were replaced. Georg Fischer Signet 3-2551-P0-12 Flow Meter.

part #: 327511 prices

• $199.99-$728.21

specifications pneumativalv:

• brand: Georg Fischer
• mpn: 327511
• flow meter type: Electromagnetic Flow Meter
• unit type: Unit

payments pneumativalv:

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

seller pneumativalv:

• # reviews: 454
• city: Inkom, Idaho
• rating: 100.0%

shipping pneumativalv:

• carrier: USPS
• transit: 4-7 Days
• type: Fixed
• class: Standard
• cost: $0.00
• service: USPS Ground Advantage

returns pneumativalv:

• policy: No Returns

offer pneumativalv:

• quantity: 2
• sold: 0
• started: April 2, 2026
• availability: In Stock
• best offers: True
• options: Ship-to-home

general pneumativalv:

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

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