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BROOKS INSTRUMENTS 5700AE1A1AA Elastomer Seal Thermal Flow Meter

5700ae1a1aa Brooks Instruments 5700 Series Elastomer Seal Thermal Mass Flow Meter

( Brand: Brooks Instruments ), ( Manufacturer Part Number: 5700AE1A1AA ), ( Part Type: Seal ), ( Country Of Origin: United States )

Review BROOKS INSTRUMENTS 5700 Series Elastomer Seal Thermal Mass Flow Meter

The **Brooks 5700AE1A1AA 5700 Series Elastomer Seal Thermal Flow Meter** is a high-performance, versatile flow measurement solution designed for precision and reliability across a wide range of industrial applications. This advanced thermal dispersion flow meter operates on the principle of thermal conductivity, utilizing two identical sensing elements one heated and one reference to measure the flow rate of gases and liquids with exceptional accuracy. The elastomer seal construction ensures compatibility with a broad spectrum of media, including corrosive, abrasive, or chemically aggressive substances, while maintaining robust durability and leak resistance. Engineered with a robust stainless steel housing, the 5700 series provides superior protection against harsh environmental conditions, making it ideal for demanding applications in manufacturing, pharmaceuticals, food and beverage processing, and environmental monitoring.

The device features a compact yet robust design, allowing for easy integration into existing systems with minimal installation complexity. Its self-diagnostic capabilities and built-in calibration routines enhance operational efficiency by reducing downtime and ensuring consistent performance over extended periods. The flow meter s wide turndown ratio capable of handling both low and high flow rates makes it adaptable to diverse process requirements, from precise laboratory measurements to large-scale industrial workflows. Additionally, the 5700 series supports multiple communication protocols, including analog outputs (4-20 mA) and digital interfaces (HART, Modbus), enabling seamless integration with SCADA systems, PLCs, or other control platforms for real-time monitoring and data logging.

With its elastomer seals, the 5700AE1A1AA model excels in applications where traditional metal seals may degrade or fail, such as with aggressive chemicals or abrasive slurries. The thermal dispersion technology ensures rapid response times and high repeatability, even in turbulent or pulsating flow conditions, while its low-pressure drop design minimizes energy consumption. Whether deployed in cleanroom environments, high-purity gas systems, or corrosive liquid processes, this flow meter delivers unmatched reliability and accuracy, making it a trusted choice for industries where precision and durability are paramount.

The Brooks 5700AE1A1AA (5700 Elastomer Seal Thermal Flow Meter) is a high-performance device used for measuring gas flow in industrial applications. Below is a detailed breakdown of its pros and cons, followed by a conclusion and recommendation.

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### **Pros of the Brooks 5700AE1A1AA (5700 Elastomer Seal Thermal Flow Meter)**

1. **High Accuracy and Precision**

The 5700 series is known for its excellent accuracy, typically within 1% of reading or 0.2% of full scale, depending on calibration and configuration. This makes it suitable for applications requiring precise flow measurement, such as in semiconductor manufacturing, pharmaceuticals, or gas distribution.

2. **Wide Flow Range**

The meter can handle a broad range of flow rates, from very low (e.g., sub-standard cubic centimeters per minute, SCCM) to high (e.g., thousands of standard cubic feet per hour, SCFM), depending on the model variant. This versatility allows it to be used in diverse applications without frequent recalibration or replacement.

3. **Elastomer Seal Technology**

The elastomer seal design provides a reliable barrier against leaks, which is critical in applications where contamination or gas loss must be minimized. This is particularly advantageous in environments where purity is paramount, such as in cleanrooms or medical gas systems.

4. **Durability and Reliability**

Brooks Instruments is a well-established brand with a reputation for building robust, long-lasting equipment. The 5700 series is designed to withstand harsh industrial conditions, including temperature fluctuations, pressure variations, and exposure to corrosive gases (depending on the material specifications).

5. **Compatibility with Multiple Gases**

The meter can measure a wide variety of gases, including inert gases (e.g., nitrogen, argon), reactive gases (e.g., oxygen, hydrogen), and corrosive gases (with appropriate seal materials). This flexibility makes it adaptable to different industrial processes.

6. **Digital Output and Integration**

The 5700 series often includes digital communication interfaces (e.g., 4-20 mA, Modbus, Profibus, or HART), allowing for easy integration with PLCs, SCADA systems, or other control devices. This facilitates automation and remote monitoring.

7. **Low Maintenance Requirements**

Compared to some other flow measurement technologies (e.g., orifice plates or turbine meters), thermal mass flow meters like the 5700 require minimal maintenance. The absence of moving parts reduces wear and tear, leading to lower operational costs over time.

8. **Fast Response Time**

Thermal flow meters respond quickly to changes in flow rate, making them ideal for dynamic processes where real-time adjustments are necessary. This is beneficial in applications like gas blending or process control where responsiveness is critical.

9. **Calibration Stability**

With proper installation and usage, the 5700 series maintains calibration stability over extended periods. This reduces the need for frequent recalibration, which can be costly and time-consuming.

10. **Compliance with Industry Standards**

The device is designed to meet or exceed industry standards such as ISO, ANSI, and ASTM, ensuring reliability and traceability in regulated environments like pharmaceuticals or food and beverage processing.

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### **Cons of the Brooks 5700AE1A1AA (5700 Elastomer Seal Thermal Flow Meter)**

1. **Higher Upfront Cost**

Thermal mass flow meters, including the Brooks 5700 series, are generally more expensive than other types of flow meters (e.g., mechanical or differential pressure meters). The initial investment can be a significant drawback for budget-conscious buyers or small-scale operations.

2. **Sensitivity to Temperature and Pressure Variations**

While thermal flow meters are designed to compensate for temperature and pressure changes, extreme or rapid fluctuations can still affect accuracy. Users must ensure stable operating conditions or invest in additional instrumentation (e.g., temperature transmitters) to mitigate this issue.

3. **Limited Suitability for High-Pressure Applications**

The 5700 series is typically designed for moderate pressure ranges (e.g., up to 100 psig or 7 bar, depending on the model). For high-pressure applications (e.g., above 200 psig), alternative technologies like turbine meters or orifice plates may be more appropriate.

4. **Potential for Condensation Issues**

In applications where the gas being measured contains moisture or condensable vapors, condensation can form on the sensor, leading to inaccurate readings or damage. Proper drying or heating of the gas stream may be required to prevent this.

5. **Calibration Dependency**

The accuracy of the 5700 series relies heavily on proper calibration during installation and periodic recalibration. Failure to calibrate the device correctly or on a regular basis can lead to significant measurement errors over time.

6. **Limited Lifespan of Elastomer Seals**

While elastomer seals are durable, they can degrade over time due to exposure to certain gases (e.g., ozone, oxygen, or high-temperature environments). This may require periodic replacement of seals, adding to maintenance costs.

7. **Complex Installation and Setup**

Proper installation is critical for the performance of thermal flow meters. Misalignment, improper mounting, or incorrect gas conditioning can lead to inaccurate readings. This may require specialized knowledge or assistance from trained technicians.

8. **Potential for Drift Over Time**

Like all electronic instruments, thermal flow meters can experience drift in their calibration over time due to aging components or environmental factors. While Brooks meters are designed to minimize this, users must be prepared for occasional recalibration or replacement.

9. **Limited Physical Robustness in Some Configurations**

While the 5700 series is generally durable, certain configurations (e.g., those with exposed sensors or delicate electronics) may be more susceptible to physical damage from vibrations, impacts, or improper handling. Reinforced mounting may be necessary in rugged environments.

10. **Vendor Dependency for Support and Parts**

As a proprietary system, users may rely heavily on Brooks or authorized distributors for spare parts, calibration services, and technical support. This can create dependency risks if the vendor is unavailable or if parts become obsolete.

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### **Conclusion**

The Brooks 5700AE1A1AA (5700 Elastomer Seal Thermal Flow Meter) is a high-quality, versatile, and accurate flow measurement device well-suited for industrial applications requiring precise gas flow control. Its strengths lie in its accuracy, wide flow range, durability, and ease of integration with automation systems. However, its higher cost, sensitivity to environmental conditions, and maintenance requirements such as calibration and seal replacement may pose challenges for some users.

For applications where accuracy, reliability, and long-term performance are critical (e.g., semiconductor manufacturing, pharmaceuticals, or cleanroom environments), the 5700 series is an excellent choice. Conversely, for budget-sensitive or high-pressure applications where alternative technologies may suffice, the higher cost and specific limitations of the 5700 may make it less ideal.

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### **Recommendation**

**Buy the Brooks 5700AE1A1AA if:**

- You require high-accuracy gas flow measurement in a controlled industrial environment.

- Your application involves a wide range of flow rates or multiple gases.

- You prioritize low maintenance and long-term reliability.

- Integration with digital control systems is a necessity.

- Budget constraints are not a limiting factor, and the long-term benefits justify the initial investment.

**Consider alternatives if:**

- Your application involves extremely high pressures or aggressive gases that may damage the elastomer seals.

- You are working with a tight budget and can tolerate slightly lower accuracy with a less expensive flow meter (e.g., orifice plates or turbine meters).

- The environment is highly dynamic with frequent temperature or pressure fluctuations that could affect performance.

- You lack the expertise or resources for proper installation, calibration, and maintenance.

**Final Suggestion:**

Before purchasing, thoroughly assess your specific application requirements, including flow range, gas type, environmental conditions, and budget. Consult with Brooks or a certified distributor to ensure the 5700 series is the optimal choice for your needs. Additionally, factor in long-term costs such as calibration, maintenance, and potential spare parts to make a fully informed decision.

Details:

Product has minor blemishes but no major damage, see pictures for details. Lots of stuff being sold at wholesale / resell prices. Quick 2 day Handling. Make sure it is exactly what you are wanting.

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part #: 5700ae1a1aa prices

  • $599.95-$1150.00

specifications pneumativalv:

  • brand: Brooks Instruments
  • mpn: 5700ae1a1aa
  • part type: Seal
  • country of origin: United States

offer pneumativalv:

  • options: Ship-to-home
  • started: April 30, 2026
  • quantity: 1
  • sold: 0
  • availability: In Stock

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

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  • city: Salt Lake City, Utah
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part type: seal, country of origin: united states,
category: business & industrial > pump flow controllers > flow controllers meters > flow meters, sku: 12191149914384752,
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