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Rosemount™ X-STREAM X2FD Continuous Gas Analyzer (Obsolete)
rosemount x-stream x2fd
This product is now obsolete.
Relevant documents and drawings are listed below.
Contact your local Emerson representative for your measurement needs.
Rosemount™ X-STREAM X2FD Continuous Gas Analyzer (Obsolete)


Up to 63 kg (139 lbs) depending on configuration
Analog Output
1–4, individually optically isolated 4(0)–20 mA (RB ≤ 500 Ω)
Analog Input
2 analog inputs, 0–1(10) V (Rin = 100 Ω) or 4(0)–20 mA (Rin = 50 Ω)
Relay Outputs
4 status relays acc. NAMUR NE 107 or e.g. concentration thresholds, valve status notification dry contacts:
1 A, 30 V
Communication Protocol
Ethernet with Modbus TCP; RS 485 / 232C with Modbus RTU; Optional: Ethernet with Modbus TCP


  • Up to four component gas analyzer featuring NDIR/UV/VIS photometer, paramagnetic and electrochemical O2, thermal conductivity and moisture sensors
  • Enhanced performance with IntrinzX technology
  • Wall mountable NEMA 4X/IP66 painted cast aluminum housing enabling extended ambient temperature range of -20 to +50 °C (-4 to +122 °F)
  • Plantweb connectivity and WinControl data acquisition
  • Storage of data calibration and event log files
  • Large dynamic ranges
  • Programmable Logic Controller (PLC) controls sample handling and sample lines
  • Very low temperature dependency