HORIBA 1665-100058 Unit Gas Slm Flow Controller UFC-1665 H2 30

( Brand: Horiba ), ( Manufacturer Part Number: 1665-100058 ), ( Part Type: Flow Unit Controller ), ( Unit Type: Unit ), ( Port Diameter: 1/4 In ), ( Gas Media: H2 Hydrogen ), ( Country Of Origin: United States )

Review HORIBA Unit Gas H2 30 Slm Mass Flow Controller

The **Horiba UFC-1665 Gas Flow Controller (Unit: 1665-100058, H , 30 SLM)** is a high-precision, mass flow control (MFC) device meticulously engineered for applications requiring exceptional accuracy, reliability, and versatility in gas delivery systems. Designed with advanced digital technology, this unit belongs to Horiba s cutting-edge UFC series, renowned for its seamless integration of mass flow measurement and control, ensuring optimal performance across a wide range of industrial, laboratory, and research environments. The UFC-1665 excels in handling hydrogen (H ) gas with a maximum flow rate of 30 standard liters per minute (SLM), making it an ideal choice for applications such as semiconductor manufacturing, chemical vapor deposition (CVD), plasma etching, material science research, and specialized gas mixing processes. Its robust construction incorporates a durable stainless steel body and corrosion-resistant components, guaranteeing long-term durability and resistance to harsh operating conditions, including high temperatures and aggressive gases.

At the heart of the UFC-1665 lies Horiba s proprietary **mass flow technology**, which combines a thermal dispersion sensor with a proportional-integral-derivative (PID) control algorithm to deliver unparalleled accuracy and stability. Unlike traditional volumetric flow controllers, this device directly measures the mass flow rate of the gas, compensating for variations in pressure, temperature, and gas composition to maintain consistent and repeatable delivery. The controller features a **digital interface** with a user-friendly LCD display, allowing operators to set and monitor flow rates with precision, while an integrated **RS-232C communication port** enables seamless integration with external systems, data loggers, or process control software for automated workflows. Additionally, the unit supports **multi-gas capability**, though configured here for hydrogen, it can be easily adapted for other gases by swapping the appropriate sensor and calibration settings, enhancing its flexibility for diverse experimental setups.

Safety and ease of use are paramount in the design of the UFC-1665, which incorporates multiple protective features to mitigate risks associated with gas handling. The controller includes **over-pressure and over-temperature protection**, automatically shutting down the system if unsafe conditions are detected, thereby preventing potential hazards. A **backpressure valve** ensures stable operation even under varying downstream pressures, while the **zero-flow detection** function alerts operators to any leaks or blockages in the system. The unit s **compact and modular design** allows for straightforward installation in tight spaces, and its **quick-connect fittings** simplify gas line connections, reducing downtime during setup or maintenance. For enhanced convenience, the UFC-1665 operates on a **24V DC power supply**, making it compatible with standard laboratory power sources, and its **low power consumption** ensures efficient operation without compromising performance.

Beyond its technical specifications, the UFC-1665 stands out for its **calibration stability and long-term accuracy**, thanks to Horiba s rigorous manufacturing processes and proprietary sensor technology. The device undergoes **factory calibration** to ensure compliance with industry standards, and its **auto-zeroing function** compensates for drift over time, maintaining consistent performance even after prolonged use. The controller s **wide turndown ratio** the ability to operate effectively across a broad range of flow rates further underscores its adaptability, allowing researchers and engineers to fine-tune gas delivery with granular control. Whether used in high-precision research applications, semiconductor fabrication, or specialized gas mixing, the UFC-1665 serves as a dependable workhorse, delivering the precision, reliability, and flexibility required to meet the demands of modern scientific and industrial processes. With its blend of advanced technology, robust construction, and user-centric features, this flow controller is an indispensable tool for any facility seeking to elevate the accuracy and efficiency of their gas delivery systems.

### **Horiba UFC-1665 Gas Flow Controller (Unit: 1665-100058, H , 30 SLM) Pros and Cons**

#### **Pros**

1. **High Precision and Stability** The UFC-1665 is a mass flow controller (MFC) designed for accurate gas flow regulation, making it ideal for applications requiring consistent and repeatable results, such as laboratory experiments, semiconductor manufacturing, or industrial processes.

2. **Wide Range of Gases** While this specific unit is configured for hydrogen (H ), the UFC-1665 series supports a variety of gases, including inert, reactive, and corrosive ones, with appropriate sensors and fittings.

3. **Digital Control and Interface** Features a digital display and programmable settings, allowing for precise adjustments via the front panel or external communication (e.g., RS-232, analog output). This makes it suitable for automated systems.

4. **Compact and Modular Design** The unit is relatively compact, making it easy to integrate into existing setups. The modular design allows for easy replacement of sensors or components if needed.

5. **Safety Features** Includes over-pressure protection, thermal protection, and leak detection mechanisms to prevent system failures or hazards, particularly important when handling gases like hydrogen.

6. **Low Maintenance Requirements** Horiba MFCs are known for durability and reliability, reducing the need for frequent calibration or part replacements compared to some mechanical flow controllers.

7. **Compatibility with Control Systems** Can be interfaced with PLCs, data loggers, or lab software, making it versatile for both manual and automated workflows.

8. **Good for Research and Development** Suitable for applications in chemistry, material science, and environmental testing where precise gas flow is critical.

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#### **Cons**

1. **Higher Initial Cost** Compared to simpler mechanical flow meters or basic electronic controllers, the UFC-1665 represents a significant investment, which may be a barrier for small labs or budget-conscious users.

2. **Limited Flow Range for Some Applications** The 30 SLM (standard liters per minute) maximum flow rate may be insufficient for high-throughput industrial processes, though it is adequate for most laboratory-scale work.

3. **Calibration Dependency** Like all electronic MFCs, performance relies on accurate calibration. If not properly maintained, drift or inaccuracies can occur over time, requiring periodic recalibration.

4. **Complexity for Beginners** The digital interface and programming options may be overwhelming for users without experience in gas flow control systems, potentially leading to misconfigurations.

5. **Gas-Specific Considerations** While this unit is configured for hydrogen, switching to other gases may require additional sensors or recalibration, adding to operational complexity.

6. **Power Dependency** Requires a stable power source, which could be a limitation in field applications or areas with unreliable electricity.

7. **Potential for Sensor Wear** Thermal mass flow sensors (common in MFCs) can degrade over time, especially with exposure to contaminants or high temperatures, necessitating eventual replacement.

8. **Limited Portability** Due to its electronic components and wiring, it is not as portable as mechanical flow meters, which may be a drawback for fieldwork or mobile applications.

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### **Conclusion**

The **Horiba UFC-1665 (1665-100058, H , 30 SLM)** is a high-quality, precision mass flow controller well-suited for laboratory and industrial applications requiring accurate gas flow control. Its digital features, safety mechanisms, and compatibility with automation make it a strong choice for research, manufacturing, and process control. However, its higher cost, complexity, and maintenance requirements may not justify its use for simple or low-budget applications.

For users needing **reliable, precise hydrogen flow control in a controlled environment** (e.g., labs, cleanrooms, or automated systems), this unit is an excellent investment. For **budget-conscious users, high-volume industrial applications, or non-laboratory settings**, alternatives like mechanical flow meters or simpler electronic controllers may be more appropriate.

### **Recommendation**

- **Buy if:** You require precise, automated gas flow control for hydrogen in a laboratory or industrial setting where accuracy and safety are critical. The digital interface and integration capabilities justify the cost.

- **Consider alternatives if:** Your budget is limited, you need higher flow rates, or you require a simpler, more portable solution. In such cases, evaluate other Horiba models (e.g., UFC series with different ranges) or competitors like Bronkhorst, Sierra, or Aalborg.

- **Maintenance tip:** Regularly calibrate the unit and monitor sensor health to ensure long-term accuracy. Store it in a clean, dry environment to prevent contamination.

Details:

Model: UFC-1665, Gas: Hydrogen, Range: 30 SLM, The unit is used, taken from a working system. UNIT MFC Mass Flow Controller Gas Hydrogen Range 30 SLM.

part #: 1665100058 prices

• $100.00-$275.00

specifications pneumativalv:

• brand: Horiba
• mpn: 1665-100058
• part type: Flow Unit Controller
• unit type: Unit
• port diameter: 1/4 In
• gas media: H2 Hydrogen
• country of origin: United States

returns pneumativalv:

• policy: No Returns

payments pneumativalv:

• credit card: Visa
• other
• wallet: Apple-pay

seller pneumativalv:

• rating: 100.0%
• # reviews: 184
• city: Hillsborough, New Jersey

general pneumativalv:

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

offer pneumativalv:

• availability: In Stock
• quantity: 1
• options: Ship-to-home
• sold: 0
• started: March 15, 2026

shipping pneumativalv:

• carrier: USPS
• class: Standard
• transit: 4-9 Days
• type: Calculated
• service: USPS Ground Advantage
• cost: $8.97

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