8800 CFM Airflow Meter – High-Accuracy Vortex Flow Measurement for Industrial Air and Gas Applications
Product Description:
The Rosemount 8800 CFM Airflow Meter delivers reliable and high-accuracy vortex flow measurement for industrial air and gas applications. Engineered with a robust, all-welded design and no moving parts, it ensures long-term stability, minimal maintenance, and reduced lifecycle costs. With advanced digital signal processing, the 8800 provides precise volumetric flow data that can be easily expressed in CFM, supporting critical operations in compressed air systems, HVAC, and process industries. Its proven performance and durability make it a trusted solution for optimizing efficiency and ensuring measurement confidence in demanding environments.
Specification:
| Feature / Parameter |
Rosemount 8800 Vortex Flow Meter |
Rosemount 3051SFA Differential Pressure Flowmeter |
Thermal Mass Flow Meter |
| Measurement Principle |
Vortex shedding (Kármán vortex street) |
Differential pressure across the primary element (orifice, pitot, venturi) |
Thermal dispersion (heat transfer in gas flow) |
| Typical Mediums |
Steam, gases (air, natural gas), liquids |
Air, steam, liquids (with primary element) |
Compressed air, clean gases |
| Output |
Volumetric flow (can be expressed in CFM) |
Differential pressure → converted to flow (CFM possible with compensation) |
Direct mass flow, convertible to CFM |
| Accuracy |
±0.65% of reading (gas/steam) |
±0.75% of flow rate (with proper installation) |
±1–2% of reading (depending on model) |
| Pressure/Temperature Range |
High pressure & temperature capable (steam service) |
Wide range, depends on the primary element |
Limited by sensor design (usually lower than vortex/DP) |
| Maintenance |
No moving parts, low maintenance |
The primary element may require inspection/cleaning |
The sensor can foul in dirty gas, requiring periodic cleaning |
| Installation |
Inline, wafer, or flanged |
Requires primary element + straight pipe runs |
Inline or insertion probe |
| Best Fit Applications |
Industrial air/gas, steam, utility monitoring |
Large pipelines, custody transfer, multi-fluid |
Compressed air monitoring, energy audits |
Applications of Rosemount 8800 CFM Airflow Meter
- Compressed Air Systems Accurate monitoring of compressed air consumption in manufacturing plants, helping reduce energy costs and optimize system efficiency.
- HVAC and Building Management Reliable airflow measurement in ventilation ducts and air handling units, ensuring proper air distribution and system balance.
- Industrial Gas Distribution Measurement of natural gas, nitrogen, oxygen, and other process gases in pipelines for safe and efficient operations.
- Steam and Utility Monitoring Although optimized for air and gas, the 8800 vortex technology is also widely used in steam service, supporting plant utility management.
- Process Control in Chemical and Pharmaceutical Industries provides stable and repeatable flow data for air and inert gases used in reactors, dryers, and cleanroom environments.
- Energy Management and Auditing enables precise CFM-based flow tracking for energy efficiency programs and sustainability reporting.
Frequently Asked Questions (FAQ)
Q1. What is the Rosemount 8800 CFM Airflow Meter?
The Rosemount 8800 is a vortex flow meter designed for accurate and reliable measurement of air and gas flow. It provides volumetric flow data that can be expressed in CFM (Cubic Feet per Minute), making it ideal for industrial air and gas applications.
Q2. How does the 8800 measure airflow?
It uses the vortex shedding principle, where vortices are created as fluid passes a bluff body. The frequency of these vortices is proportional to the flow velocity, which is then converted into volumetric flow.
Q3. What are the main advantages of the 8800 compared to other flow meters?
- No moving parts → minimal maintenance
- High accuracy and repeatability
- Robust all-welded design for long service life
- Suitable for steam, gas, and liquid applications
- Easy integration with digital control systems
Q4. Can the 8800 measure compressed air in CFM?
Yes. The 8800 can measure compressed air flow and provide volumetric flow data in CFM, making it a strong choice for energy monitoring and efficiency programs.
Q5. What industries typically use the 8800?
- Power generation (steam and air monitoring)
- Chemical and pharmaceutical processing
- Oil & gas and refining
- HVAC and building management systems
- General manufacturing (compressed air systems)
Q6. What installation options are available?
The 8800 is available in wafer, flanged, and dual-sensor configurations, allowing flexible installation in different pipeline sizes and process conditions.
Q7. Does it require frequent calibration?
No. Thanks to its stable design and digital signal processing, the 8800 requires minimal recalibration compared to mechanical flow meters.
Q8. Can the 8800 be used for liquids as well?
Yes. While often applied to air and gas, the 8800 is also suitable for liquid flow measurement, making it a versatile solution across multiple utilities.
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