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Rosemount™ 500 Process Gas Chromatograph
rosemount 570xa chromatograph
The Rosemount™ 500 process gas chromatograph is designed for a variety of refining, petrochemical, power and environmental applications where selected components in gaseous or liquid streams must be precisely monitored on a continuous basis.
Rosemount™ 500 Process Gas Chromatograph


Free-standing (standard); wall-mount (optional)
Standard: Designed to meet NEC Class I, Div. 1, Groups C,D (Group B with optional air purge)
Optional: CSA NRTL/C Certified : Class I, Div. 1, Groups C, D, T3B; ATEX Certified: EEx d IIB T4amb = 60 °C; CE marked per ATEX Directive (94/9/EC)
Communication Protocol
Three serial ports standard with option for a total of eight. Depending on the port, choice of RS-232, RS-422, and RS-485 is available as well as the Modbus protocol
164 cm H x 51 cm W x 53.5 cm D (64.5“ H x 20“ W x 21“ D)
Approximately 36 kg (79 lbs.)


  • Proven performance with thousands of units installed around the globe
  • Isothermal analysis with 1 or more thermal conductivity detectors /heat sink airless ovens
  • Fully compatible with modern Ethernet networks and DCS communication
  • Designed for field mounting without the need for expensive analyzer shelters or sacrificing analytical power
  • Diaphragm-based 6-port chromatograph valves
  • Liquid and gas analysis in a single unit
  • Thermal Conductivity Detector (TCD) sensitive down to very low parts-per-million levels
  • Flame Photometric Detector (FPD) also available
  • Every Model 500 is rigorously tested in an environmental chamber between 0° to 130 °F for 24 hours minimum
  • Last chromatogram for each sample and calibration stream stored in process gas chromatograph
  • Archives up to 64 item averages, up to 35 days of standard runs and calculations