Product Short Description
Product Introduction
The GE XGF868I-1-1-OI-H-3-4-0-CC is a high‑performance, explosion‑proof ultrasonic flow transmitter designed for precise mass flow measurement of flare gas, vent gas, and mixed industrial gases. It uses non‑intrusive ultrasonic technology to deliver stable, low‑maintenance flow monitoring in harsh industrial environments with wet, dirty, or corrosive gas streams. This unit integrates real‑time flow computation, gas composition compensation, and industry‑standard communication to support emissions monitoring, process optimization, and regulatory compliance in oil & gas, petrochemical, and power generation facilities.
Description
Technical Specifications
Measurement Performance
- Measurement Type: Ultrasonic time‑domain transit‑time mass flow metering
- Flow Rate Range: Velocity up to 120 m/s
- Turndown Ratio: 4000:1
- Accuracy: ±1.0% of reading for standard operating conditions
- Repeatability: ±0.2% of full scale
- Measured Parameters: Flow velocity, volumetric flow, mass flow, average molecular weight, temperature, pressure
- Gas Compatibility: Flare gas, hydrocarbon mixtures, vent gas, inert gas, corrosive gas
Path & Input Configuration
- Measurement Paths: 1‑path configuration
- Temperature Input: Built‑in sensor input, configurable ranges
- Pressure Input: Built‑in sensor input, configurable ranges
- Process Temperature: -40°C to +150°C
- Process Pressure: Up to 100 bar (dependent on sensor setup)
Communication & Outputs
- Analog Outputs: 2× isolated 4–20 mA
- Digital Communication: HART, Modbus RTU, Foundation Fieldbus (as configured)
- Display: Local OLED/LCD with through‑window operation
- Keypad: Non‑intrusive through‑glass keypad for safe operation in hazardous areas
Power Requirements
- Power Supply: 18–30 VDC
- Power Consumption: Typical 3.5 W
- Isolation: Sensor‑to‑electronics galvanic isolation
Environmental & Hazardous Ratings
- Enclosure Rating: IP66 / IP67
- Explosion Protection: ATEX / IECEx / CSA – Ex d IIC T6 / Class I Div 1
- Operating Temperature: -40°C to +70°C
- Storage Temperature: -50°C to +85°C
- Humidity: 5–95% RH non‑condensing
- Vibration/Shock: Industrial heavy‑duty rated
Physical Characteristics
- Enclosure Material: Explosion‑proof aluminum alloy, epoxy coated
- Weight: Approximately 4.5 kg
- Mounting: Wall/pipe/stand mounting compatible
- Cable Entry: Standard industrial sealed connectors
Key Features
- Non‑Intrusive Ultrasonic Sensing: No moving parts, no pressure drop, minimal maintenance
- Extreme Turndown Ratio: 4000:1 supports accurate low‑flow and high‑flow flare conditions
- Gas Composition Independence: Automatically compensates for changing gas mixtures
- Real‑Time Molecular Weight Calculation: Ensures stable mass flow output
- Hazardous Area Certified: Explosion‑proof design for Zone 1 / Division 1 installation
- Non‑Intrusive Operation: Through‑glass keypad and display for safe local setup
- Galvanic Isolation: Protects system from ground loops and electrical interference
- Wide Process Compatibility: Resists moisture, particulates, and corrosive components
- Flexible Communication: Supports HART, Modbus, and Fieldbus for DCS/SCADA integration
- Robust Environmental Durability: IP66/IP67 and wide temperature operation
Application Scenarios
- Flare Gas Monitoring: Refinery, petrochemical, and offshore platform flare stack metering
- Emissions Compliance: Continuous emissions monitoring systems (CEMS) and regulatory reporting
- Vent Gas Measurement: Safety vent, relief valve, and tank vent flow monitoring
- Oil & Gas Production: Onshore/offshore production separation and vent control
- Petrochemical Processing: Plant‑wide flare accounting and loss control
- Power Generation: Gas turbine auxiliary systems and boiler flare measurement
- Chemical Manufacturing: Reactor venting, toxic gas monitoring, and process safety
- Industrial Energy Management: Carbon reduction, fuel balance, and operational efficiency
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