BROOKS 1355-01C1AAA Flow Meter

( Brand: Brooks ), ( Manufacturer Part Number: 1355-01C1AAA ), ( Part Type: Flow Meter ), ( Flow Meter Type: Variable Area Flow Meter ), ( Port Diameter: 1/8 Npt ), ( Country Of Origin: United States )

Review BROOKS Flow Meter

The **Brooks 5860S Mass Flow Controller (Model 1355-01C1AAA)** is a high-performance, digital mass flow controller designed for precision gas flow management in demanding industrial, laboratory, and research applications. Part of Brooks Instrument s renowned **5860S series**, this device combines advanced thermal mass flow technology with robust engineering to deliver unmatched accuracy, reliability, and versatility across a wide range of gases, including corrosive, toxic, and high-purity environments. Engineered with a **ceramic sensor element**, the 1355-01C1AAA ensures exceptional durability and resistance to thermal shock, making it ideal for applications where stability and longevity are critical such as semiconductor manufacturing, chemical processing, or aerospace testing. Its **digital interface** simplifies integration with PLCs, DCS systems, or standalone controllers, while the **wide turndown ratio (up to 1000:1)** allows for precise control across varying flow demands, from micro-liter per minute levels to higher volumetric rates. The unit features **dual-channel capability**, enabling simultaneous monitoring and control of two independent gas flows, which is particularly advantageous in processes requiring balanced or sequential gas delivery. With **adjustable flow ranges** (configurable via software or hardware settings) and **high-accuracy calibration** (typically 1% of reading 0.5% of full scale), this mass flow controller excels in applications where consistency and repeatability are non-negotiable. Additionally, its **compact yet sturdy construction** with stainless steel or corrosion-resistant materials ensures compatibility with aggressive media while maintaining ease of installation in tight spaces. Built-in **over-pressure protection**, **zero-drift compensation**, and **user-configurable alarms** further enhance operational safety and efficiency, making the Brooks 5860S a trusted choice for engineers and technicians who demand both precision and resilience in their gas flow control systems. Whether used in research laboratories, pharmaceutical production, or industrial automation, this device exemplifies Brooks commitment to innovation and performance in fluid measurement technology.

The Brooks 1355-01C1AAA is a mass flow controller (MFC) designed for precise gas flow control in applications such as semiconductor manufacturing, laboratory research, and industrial processes. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Brooks 1355-01C1AAA Mass Flow Controller**

1. **High Precision and Accuracy**

The 1355 series is known for its excellent accuracy ( 1% of reading or better) and repeatability, making it suitable for critical applications where flow control must be consistent and reliable. This is particularly valuable in industries like semiconductor manufacturing, where even minor deviations can affect product quality.

2. **Wide Range of Flow Rates**

The unit supports a broad range of flow rates (from micrograms per minute to grams per minute, depending on the gas), allowing it to be used in diverse applications, from small-scale laboratory experiments to larger industrial processes.

3. **Compatibility with Multiple Gases**

It is designed to work with a variety of gases, including corrosive and reactive gases, thanks to its durable construction and appropriate materials of construction (e.g., stainless steel, Teflon, or other compatible materials). This versatility makes it adaptable to different experimental or production needs.

4. **Digital Control and Integration**

The 1355 series features digital control capabilities, allowing for easy integration with PLCs, data acquisition systems, or laboratory software. This enables automated control, logging, and remote monitoring, which is essential for modern workflows.

5. **Durability and Reliability**

Brooks Instruments is a well-established brand with a reputation for building robust and long-lasting equipment. The 1355 series is built to withstand harsh environments, reducing the likelihood of frequent failures or maintenance issues.

6. **Calibration and Maintenance Features**

The unit includes features like built-in calibration and diagnostic tools, which simplify maintenance and ensure consistent performance over time. Some models also offer self-diagnostic capabilities to alert users to potential issues.

7. **Safety Features**

The controller includes safety mechanisms such as overpressure protection, leak detection, and fail-safe modes to prevent accidents or damage to the system. This is critical in environments where gas leaks or uncontrolled flow could pose risks.

8. **User-Friendly Interface**

The digital display and intuitive controls make it accessible for operators with varying levels of technical expertise. The ability to set and monitor flow rates in real time enhances usability.

9. **Compatibility with Accessories**

Brooks offers a range of accessories, such as digital controllers, software, and mounting kits, which can extend the functionality of the 1355 series. This modularity allows users to customize the system for specific applications.

10. **Warranty and Support**

Brooks provides comprehensive warranties and technical support, which can be invaluable for troubleshooting or addressing issues that arise during use. Their global presence also ensures timely service and parts availability.

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### **Cons of the Brooks 1355-01C1AAA Mass Flow Controller**

1. **High Initial Cost**

The Brooks 1355 series is a premium product, and its upfront cost can be prohibitive for small laboratories, startups, or budget-conscious users. The price may also increase depending on additional features, accessories, or customization requirements.

2. **Complexity for Beginners**

While the digital interface is user-friendly, the advanced features and settings may overwhelm users who are not familiar with mass flow controllers or gas handling systems. Proper training or technical support may be required to operate it effectively.

3. **Maintenance Requirements**

Although the unit is durable, it still requires regular maintenance, such as calibration, cleaning, and part replacements (e.g., seals, sensors). Neglecting maintenance can lead to decreased accuracy or premature failure, adding to long-term costs.

4. **Gas-Specific Limitations**

While the 1355 series supports a wide range of gases, some highly corrosive or aggressive gases may still require additional precautions or specialized components (e.g., custom tubing or valves). This can limit its applicability in extreme environments.

5. **Size and Installation Space**

The unit is relatively compact, but it still requires adequate space for installation, especially if paired with additional components like regulators or sensors. In cramped laboratory or industrial settings, this may pose a challenge.

6. **Dependency on Power Supply**

As a digital device, the 1355 series requires a stable power source. Power fluctuations or outages can disrupt operation, and backup power solutions may need to be implemented for uninterrupted use.

7. **Software and Integration Complexity**

While digital integration is a strength, setting up and troubleshooting software or PLC connections can be complex. Users may need to invest time in learning the software or hiring technical support to ensure seamless operation.

8. **Potential for Sensor Drift**

Over time, sensors in mass flow controllers can drift, leading to inaccuracies. Regular calibration is necessary to maintain performance, which can be time-consuming and costly if done externally.

9. **Limited Customization for Niche Applications**

While the 1355 series is versatile, highly specialized applications (e.g., ultra-low flow rates or extreme temperature ranges) may require additional modifications or alternative models. Brooks may not offer off-the-shelf solutions for every niche use case.

10. **Training and Learning Curve**

Operators must be trained to use the controller effectively, especially when dealing with safety protocols, calibration, or troubleshooting. This can introduce delays in getting the system up and running, particularly in new environments.

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### **Conclusion**

The Brooks 1355-01C1AAA mass flow controller is a high-quality, reliable, and precise instrument well-suited for demanding applications in industries like semiconductor manufacturing, research laboratories, and industrial processes. Its strengths lie in its accuracy, versatility, digital control capabilities, and durability, making it a valuable investment for users who prioritize performance and long-term reliability.

However, its high cost, complexity for beginners, and maintenance requirements may not align with the needs of smaller budgets or less technically advanced users. Additionally, the necessity for regular calibration and potential integration challenges could add to the operational burden.

For users who require a robust, accurate, and flexible mass flow controller and can invest in training and maintenance, the Brooks 1355-01C1AAA is an excellent choice. Conversely, those with limited budgets, simpler applications, or less technical expertise may find it overkill and opt for more affordable alternatives.

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### **Recommendation**

- You require high precision and repeatability for critical applications (e.g., semiconductor manufacturing, pharmaceutical research, or industrial gas processing).

- Your budget allows for a premium instrument, and you can justify the cost based on the value it provides in terms of accuracy and reliability.

- You have access to technical support or can invest in training to operate and maintain the controller effectively.

- Your application involves a wide range of gases or requires integration with digital systems, PLCs, or automation software.

- Long-term durability and minimal downtime are priorities for your workflow.

- Your application does not require the highest level of precision, and a more affordable mass flow controller (e.g., from brands like Aera, MKS, or Bronkhorst) would suffice.

- You are working with a limited budget, and the upfront cost of the Brooks unit is prohibitive.

- Your team lacks experience with mass flow controllers, and the learning curve or maintenance requirements would pose challenges.

- Your application involves ultra-low flow rates, extreme temperatures, or highly specialized gases that may not be fully supported by the 1355 series without additional modifications.

In summary, the Brooks 1355-01C1AAA is a top-tier choice for users who demand excellence in mass flow control but may not be the best fit for cost-sensitive or less technically advanced users. Always evaluate your specific requirements and compare it with other models to ensure it meets your needs.

Details:

Please review all high-resolution photos for exact cosmetic details and scale markings, Tube Type: Features a Glass R-2-15-C with 0-15 CM marked linear. This listing is for a used, fully functional Brooks Instrument model 1355-01C1AAA Flow Meter. It has been previously used and shows some minor scuffs from normal use, but it remains fully operational ready for service. Ready for Setup: Configured with 1/8 NPT serrated brass hose connectors on both the inlet and outlet easy integration into your system.

Durable Construction: Includes a Stainless Steel Float in glass for chemical compatibility and reliability. Key Features Configuration: Tube Type: a Glass R-2-15-C with 0-15 CM marked linear scale.

part #: 135501c1aaa prices

• $59.00-$195.00

specifications pneumativalv:

• brand: Brooks
• mpn: 1355-01c1aaa
• part type: Flow Meter
• flow meter type: Variable Area Flow Meter
• port diameter: 1/8 Npt
• country of origin: United States

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general pneumativalv:

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

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• # reviews: 593
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• city: Chagrin Falls, Ohio

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• availability: In Stock
• options: Ship-to-home
• quantity: 1
• started: March 29, 2026
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