BRONKHORST FS-201CV-5K0-AGD-00-V El Flow Select O2

( Brand: Bronkhorst ), ( Manufacturer Part Number: FS-201CV-5K0-AGD-00-V ), ( Part Type: Flow ), ( Flow Meter Type: Mass Flow Meter ), ( Country Of Origin: Netherlands )

Review BRONKHORST O2 Attachment El flow Select

The **Bronkhorst FS-201CV-5K0-AGD-00-V O EL-Flow Select** is a high-performance, mass flow controller designed for precise and reliable gas flow regulation in demanding industrial, laboratory, and research applications. Part of Bronkhorst s advanced **EL-Flow Select** series, this device combines cutting-edge thermal mass flow technology with a robust, compact design to deliver exceptional accuracy, repeatability, and stability across a wide range of operating conditions. Engineered for oxygen (O ) and other corrosive or reactive gases, the FS-201CV-5K0 features a **ceramic sensor element** that ensures long-term durability and resistance to chemical degradation, making it ideal for applications where harsh environments or high-purity requirements are critical. The **5K0** designation indicates a nominal flow range of up to **5,000 standard cubic centimeters per minute (sccm)** or **5 liters per minute (L/min)**, depending on the gas type, with an optional **0-5V analog output** (AGD-00) for seamless integration into automated systems. The **CV** variant incorporates a **valve control module**, enabling precise flow modulation with a response time of just **10 milliseconds**, which is essential for dynamic processes such as plasma etching, chemical vapor deposition (CVD), or gas mixing in semiconductor manufacturing. Additionally, the device supports **Bronkhorst s proprietary EL-Flow Select software**, allowing for advanced features like **auto-zeroing, flow calibration, and remote monitoring** via Ethernet or USB connectivity. With a **wide operating temperature range** of -20 C to 60 C and compatibility with **standard gas cylinders or vacuum systems**, this flow controller is built to withstand the rigors of continuous operation while maintaining sub-1% accuracy over its entire range. Whether used in **material science research, medical device manufacturing, or environmental testing**, the FS-201CV-5K0-AGD-00-V delivers unmatched performance, making it a versatile and indispensable tool for engineers and scientists demanding the highest standards of flow control.

### **Pros and Cons of purchasing a Bronkhorst FS-201CV-5K0-AGD-00-V O EL-Flow Select Mass Flow Controller**

#### **Pros**

1. **High Precision and Accuracy**

The FS-201CV series is known for its excellent flow measurement and control capabilities, with a typical accuracy of 1% of reading 0.5% of full scale. This makes it suitable for applications requiring precise gas flow regulation, such as laboratory research, semiconductor manufacturing, or industrial processes.

2. **Wide Range of Flow Rates**

The model supports a broad flow range (up to 5,000 sccm for oxygen), allowing flexibility in applications from small-scale experiments to larger production setups. The adjustable range (0.1 5,000 sccm) ensures it can be used across different experimental or industrial needs.

3. **Electronic Mass Flow Control (EL-Flow)**

The EL-Flow technology provides digital control and calibration, reducing drift over time and improving long-term stability. This is particularly advantageous in applications where consistency is critical, such as in chemical synthesis or gas mixing.

4. **Compatibility with Oxygen (O ) and Other Gases**

The unit is designed for oxygen service, which is common in oxidation processes, combustion studies, and medical applications. It can also be adapted for other gases with the appropriate sensor and tubing.

5. **Digital Communication and Integration**

The device supports communication protocols like **RS-232, Profibus, or Modbus**, enabling easy integration with PLCs, data loggers, or laboratory automation systems. This makes it suitable for automated workflows in research or industrial environments.

6. **Compact and Modular Design**

The FS-201CV series is compact, making it space-efficient for laboratory setups. The modular design allows for easy replacement of components if needed, reducing downtime.

7. **Low Turndown Ratio**

The unit offers a **turndown ratio of 1:5000**, meaning it can measure and control very small flow rates with high precision, which is useful in sensitive applications like gas chromatography or thin-film deposition.

8. **Durability and Reliability**

Bronkhorst is a well-established manufacturer known for robust, long-lasting instrumentation. The FS-201CV is built for industrial and laboratory use, with minimal maintenance requirements.

9. **Calibration and Traceability**

The device comes pre-calibrated and can be recalibrated if needed, ensuring traceability to national standards, which is important for regulatory compliance in industries like pharmaceuticals or aerospace.

10. **User-Friendly Interface**

The control panel includes a **LCD display with intuitive menus**, making setup and operation straightforward. Some models also support remote control via software.

---

#### **Cons**

1. **High Initial Cost**

The FS-201CV is a premium instrument, and the price (especially with oxygen compatibility) may be prohibitive for small labs or startups with limited budgets. Alternative brands (e.g., Alicat, Sierra) may offer similar performance at a lower cost.

2. **Limited Built-in Gas Support**

While it works well with oxygen, additional sensors or calibration may be required for other gases. This could add to the overall cost if multiple gases are needed.

3. **Potential for Drift Over Time**

Although EL-Flow technology minimizes drift, no instrument is perfectly immune to long-term calibration shifts. Regular recalibration may be necessary, adding maintenance overhead.

4. **Complexity for Non-Experienced Users**

The advanced features (e.g., digital calibration, communication protocols) may require training for operators unfamiliar with mass flow controllers. Misconfiguration could lead to inaccurate readings or equipment damage.

5. **Dependence on Power Supply**

Being an electronic device, it requires a stable power source. Power fluctuations or outages could disrupt operation, especially in non-regulated environments.

6. **Replacement Parts and Support Costs**

While Bronkhorst has strong support, replacement sensors or tubing (especially for oxygen service) may be expensive. Availability of parts could also be a concern in regions with limited local support.

7. **Not Ideal for High-Pressure Applications**

The FS-201CV is designed for low to moderate pressure ranges (typically up to a few bar). For high-pressure applications (e.g., industrial gas distribution), a different model or additional regulators may be needed.

8. **Software Dependency**

Full functionality (e.g., advanced logging, remote control) relies on Bronkhorst s software, which may require additional licensing or IT support for seamless integration.

---

### **Conclusion**

The **Bronkhorst FS-201CV-5K0-AGD-00-V O EL-Flow Select** is a high-performance mass flow controller ideal for applications demanding **precision, reliability, and digital control**. Its strengths lie in its **accuracy, wide flow range, compatibility with oxygen, and integration capabilities**, making it suitable for **research laboratories, semiconductor manufacturing, and industrial gas processes**.

However, its **high cost, complexity for non-experts, and potential maintenance needs** may not justify the purchase for **budget-conscious users or simple applications**. If the primary requirement is **cost efficiency without sacrificing performance**, alternatives like **Alicat or Sierra mass flow controllers** could be considered.

### **Recommendation**

- You require **high-precision oxygen flow control** in a **research, semiconductor, or industrial setting**.

- Your application benefits from **digital calibration, automation, and long-term stability**.

- Budget constraints are not a major concern, and the **ROI from accuracy and reliability** outweighs the initial cost.

- You need a **lower-cost solution** with similar performance (e.g., Alicat or Sierra controllers).

- Your application involves **multiple gases** that may require additional sensors.

- You lack **technical expertise** to operate and maintain advanced mass flow controllers.

For most **serious applications requiring oxygen flow control**, the Bronkhorst FS-201CV remains a **strong, well-supported choice** despite its higher price. However, a thorough assessment of your specific needs budget, gas requirements, and operational complexity will determine whether it is the best fit.

Details:

Even comes with all the hardware too. Excellent condition and fully functional. This sale is for 1 piece. Recently DE-installed.

part #: fs201cv5k0agd00 price

• $169.99

specifications pneumativalv:

• brand: Bronkhorst
• mpn: Fs-201cv-5k0-agd-00-v
• part type: Flow
• flow meter type: Mass Flow Meter
• country of origin: Netherlands

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• type: Fixed

offer pneumativalv:

• quantity: 4
• options: Ship-to-home
• sold: 0
• availability: In Stock
• started: May 20, 2026

returns pneumativalv:

• policy: No Returns

general pneumativalv:

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

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• # reviews: 2133
• rating: 100.0%
• city: Nashua, New Hampshire

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