GE GF868-1-1-1-2-1-0 -1-4-0-0-0-RPT Ultrasonic Gas Flow Meter Parameters：

1. Product Type

• Application Scenarios: Industrial gas flow measurement
   (e.g., natural gas, compressed air, industrial waste gas, etc.)
• Measurement Principle: Time-difference ultrasonic measurement technology
• Certifications: May comply with explosion-proof certifications such as ATEX and IECEx
   (depending on configuration)

1. Core Parameters

1. Measurement Performance
• Flow Velocity Range: ±0.03~85 m/s (bidirectional flow measurement)
• Accuracy: ±1.0%~2.0% (depending on the number of sound channels and gas type)
• Repeatability: ±0.2%
• Turn-Down Ratio: ≥2750:1
• Response Time: Typically <100ms
2. Physical Parameters
• Diameter Range: DN15~DN6000 (depending on sensor type)
• Process Connection: Flange, threaded, or clamp-type
   (determined by the 3rd digit of the configuration code)
• Material: Sensor housing is stainless steel 316L; pipeline material
  can be carbon steel, stainless steel, etc.
• Protection Class: IP65/67 (depending on housing configuration)
3. Operating Conditions
• Medium temperature: -196°C~+260°C (depending on sensor type)
• Ambient temperature: -40°C~+85°C (depending on transmitter configuration)
• Temperature Range:
  
• Pressure Range: Up to 40MPa (depending on sensor and process connection)
4. Output and Communication
• Analog Output: 4~20mA (up to 4 channels, isolated)
• Digital Interface: RS485/Modbus RTU, HART, Profibus DP, FOUNDATION Fieldbus, etc.
• Protocols: Supports MID, AGA-9, ISO 17089, etc.
5. Power Supply
• Supply Voltage: 100~240VAC or 24VDC
• Power Consumption: <20W

1. Configuration Code Interpretation (Example)
2. GF868-1-1-1-2-1-0 -1-4-0-0-0-RPT
3.  

• 1st digit: Application scenario (1=standard gas)
• 2nd digit: Sensor type (1=insertion type)
• 3rd digit: Process connection (1=flange)
• 4th digit: Number of sound channels (2=dual-channel)
• 5th digit: Output option (1=basic analog output)
• 6th digit: Special function (0=none)
• 7th digit: Communication protocol (1=Modbus RTU)
• 8th digit: Certification level (4=non-explosion-proof)
• 9th to 11th digits: Custom options
• 12th digit: Accessory (RPT=remote display terminal)

1. Application Fields

• Natural gas trade measurement
• Industrial gas process control
• Energy management and carbon emission monitoring
• Compressed air system efficiency optimization