Flow velocity is calculated by measuring the difference in acoustic wave propagation time between upstream and downstream, and mass flow is derived from temperature and pressure data. The clamp-on design eliminates the need for pipe cutting or drilling, reducing installation costs and minimizing leak risks. It can measure a variety of gases, including natural gas, compressed air, fuel gas, and steam, with pipe diameters ranging from 20mm to 3000mm and a flow rate range of 0.03-100m/s.

　　Many products are not yet available. Please contact us for more information.

　　If the product model number differs from the displayed image, the model number will prevail. Please contact us for specific product images, and we will arrange to take photos at the warehouse for verification.

　　We have 76 shared warehouses worldwide, so it may sometimes take several hours for us to accurately return your product. Please understand. We will, of course, respond to your inquiries as soon as possible.

　　GF868-2-11-20814-11-0-0-0 Other Names:

　　Clamp-on Ultrasonic Flow Meter GF868-2-11-20814-11-0-0-0 

　　GF868-2-11-20814-11-0-0-0 Gas Flow Meter

　　GF868-2-11-20814-11-0-0-0 is a GE Panametrics DigitalFlow GC868 series clamp-on ultrasonic gas flow meter designed for flare, exhaust, and industrial gas flow measurement. Its core advantages lie in its non-invasive installation (no pipe cutting required), high-precision measurement, and adaptability to harsh environments (high temperature, high pressure, and corrosive gases). It is widely used in the petrochemical, chemical, and power plant industries.

　　Core Technical Parameters

　　Measurement Principle

　　Using the ultrasonic transit time method, flow velocity is calculated by measuring the difference in propagation time between upstream and downstream sound waves, and mass flow is derived by combining temperature and pressure data.

　　Supports dual-channel/dual-path configuration, improving measurement accuracy under complex operating conditions.

　　Non-invasive installation: The clamp-on design eliminates the need for pipe cutting or drilling, reducing installation costs and minimizing leak risks.

　　No moving parts: With no wetted or moving parts, it requires virtually no maintenance, has zero pressure drop, and boasts a wide rangeability (up to 3280:1).

　　High Accuracy and Stability: Flow velocity accuracy is typically ±0.5%-5% of reading. Supports dual-channel measurement, adapting to complex operating conditions (such as pulsating airflow and temperature fluctuations). Wide Application Range: Can measure a variety of gases, including natural gas, compressed air, fuel gas, and steam, with pipe diameters from 20 mm to 3000 mm and a flow rate range of 0.03-100 m/s.

　　Performance

　　Turndown Ratio: Up to 3940:1, accommodating extremely low to high flow rates (0.3-100 m/s).

　　Accuracy: ±2%-5% of reading (depending on pipe size and configuration), achieving ±0.5% after calibration.

　　Pipe Size: Covers 2-inch to 120-inch (50-3000 mm) pipes, compatible with both metal and plastic pipes.

　　Temperature Range: Operating: -10°C to 55°C, Storage: -40°C to 70°C; optional high-temperature configuration up to 230°C.

　　Protection Rating: IP66/IP68, explosion-proof certified (ATEX, IECEx), suitable for hazardous environments.

　　Electrical Characteristics

　　Power Supply: 100-265VAC or 12-28VDC, Power Consumption ≤20W.

　　Output Interface: Supports 4-20mA, Modbus, Ethernet, OPC, and more, with optional analog/digital signal expansion.

　　Core Advantages

　　Easy Installation: Clamp-on design eliminates the need to disrupt piping, reducing installation costs and downtime.

　　Low Maintenance: No moving parts, virtually no routine maintenance required, and negligible pressure drop.

　　Environmental Adaptability: Corrosion-resistant, dustproof, and waterproof, suitable for complex media such as flare gas, toxic gases, and steam.

　　Intelligent Features: Built-in data logging (storages 43,000 data points), diagnostic alarms, and remote communication capabilities.

　　Application Scenarios

　　Flare Gas Monitoring: Accurately measures exhaust gas flow to optimize energy utilization and environmental compliance.

　　Industrial Gas Metering: Flow measurement of natural gas, compressed air, fuel gas, and high-purity gases.

　　Special operating conditions: High-temperature steam, corrosive gases, toxic media, and scenarios requiring non-invasive measurement.

　　Certifications and Standards

　　Complies with ISO 17089 (Gas Ultrasonic Flowmeter Standard), the EMC Directive (Electromagnetic Compatibility), and explosion-proof certifications (such as ATEX and IECEx).

　　Passed China Metrology Certification (such as GB/T 18604-2014), meeting domestic industrial metrology requirements.

　　Installation and Maintenance

　　Installation Requirements: Ensure that the upstream straight pipe length is ≥ 20 pipe diameters and the downstream straight pipe length is ≥ 10 pipe diameters to avoid flow field interference.

　　Calibration Frequency: On-site calibration is recommended every 1-2 years to ensure long-term accuracy.

　　Maintenance Focus: Regularly check the sensor coupling compound, cable connections, and software updates to prevent signal degradation.

　　Summary: The GF868-2-11-20814-11-0-0-0 is GE's flagship product for industrial gas flow measurement. With its high accuracy, easy installation, and low maintenance, it is an ideal choice for flare gas, emission monitoring, and complex gas measurement.

　　All products on this website are special editions, and market prices are constantly fluctuating.

　　Please refer to customer service for specific quotes. Since these products are new, prices are not accurate.

　　Please confirm model, product, price, and other details with customer service before placing an order. This website is used.

　　New items are currently for sale, so please contact customer service for details.

Related product recommendations:
151X1235BS14PP01
MVR1600-4601
MVR1600-4601-A
IC800VMA042
IC800SDM250M2KE25C
IC800SLA0202B
IC800MCUB12160XD
IC800BSM53K10RSB
IC800SLA0401B
IC800SLA1002A
IC800SKCPV050B
IC800SLM010N1NE25A
IC800SDM100M2KE25B
IC800SLA0201A
IC800SLCIZ010
IC800VMM07LBKSE25A
IC800SLA0051
IC800CBL002A
IC800SLA0031A
More...