- Total Hydrocarbon Analyzer


MOCON's Baseline® 9000 Total Hydrocarbon Analyzer is the candidate of choice whenever accurate, reliable total hydrocarbon analysis is required. The Baseline® 9000 analyzer provides unparalleled flexibility and offers continuous, fully automated gas analysis over a broad range of concentrations.

MOCON's Baseline® 9000 has a dynamic range from less than 10 ppb on the low range version and up to 100% as methane on the high range version. The analyzer has a generous complement of analog, digital and logic output capabilities.

The analyzer is based on a flame ionization detector (FID) with FlowGuard electronic control that delivers a small portion of the sample gas to the detector flame. During the combustion process, organic or hydrocarbon-based gases in the sample are ionized then they are detected by the instrument and reported as a concentration.

The Baseline® 9000 can be configured with internal components for single or multipoint analysis of non-condensing gas samples. The automatic calibration feature enhances the long-term analytical stability of the instrument. These features place the instrument well ahead of the competition in performance, automation, and configurability.

The Baseline® 9000 is designed to continuously monitor the total hydrocarbon content of non-condensing gases in a variety of applications, such as:

  • Beverage grade CO2 analysis
  • Scrubber & oxidizer efficiency
  • Carbon bed breakthrough detection
  • Contaminant analysis in pure/ultrapure inert gases
  • Well logging
  • Industrial hygiene & safety monitoring
  • Fenceline (perimeter) monitoring around industrial sites
  • LEL monitoring

  • Flame ionization detector.
  • 3U case, 19' (48.3cm) rack mountable.
  • Automatic calibration at user-defined intervals.
  • Internal, multipoint sampling option.
  • FlowGuard electronic control of fuel, air and sample.
  • Electronic back-pressure regulator with sample bypass system ensures fast response.
  • Discrete, multilevel concentration & fault alarms.
  • Analog output ranges programmable from 1ppm - 100% full scale.
  • Programmable relays for concentration alarms, events and diagnostics.
  • Automatic FID ignition, with automatic shut-off of sample, fuel and combustion air.
  • Remote operation via RS-232 and Ethernet.
  • Graphical display and easy to use menu system.
  • Optional 9000 Keeper software to monitor and control the instrument remotely.

  • Detector: Flame ionization detector (FID)
  • Ranges:
    • MDQ 0.003%, Full-scale 0.01 - 100% (Methane)
    • MDQ 0.01ppm, Full-scale 1 - 200ppm (Methane)
    • MDQ 0.1ppm, Full-scale 1 - 2,000ppm (Methane)
    • MDQ 0.3ppm, Full-scale 1 - 20,000ppm (Methane)
  • Repeatability: ±1% Full-scale response
  • Drift: ±1% of Full-Scale over 24 hours
  • Response Time: < 5 seconds to 90% of final reading
  • Alarms: Multilevel concentration and fault alarms that result in audible and visual alarms. Alarms may also be mapped to relays to control external equipment.
  • Sampling: Internal single or multipoint modules for pre-filtered (
  • Calibration: Programmable automatic or manual calibration
  • Support Gas: Hydrogen 35 cc/min, Air 175 cc/min (typical). Hydrocarbon content must be less than 1 ppm. Fuel blend options available, consult Baseline.

  • Dimensions: 19.00' (48.3 cm) W x 14.25' (36.2 cm) D x 5.25' (13.3 cm) H
  • Weight: < 20 lb (9.07 kg)
  • Configuration: Bench-top or rack-mount 19' (48.3cm) panel
  • Connections: 1/4' (6.35 mm) tube fitting connectors
  • Operating Temperature: 32 to 104°F (0 to 40°C)
  • Operating Humidity: 0 - 95% (non-condensing)

  • Power: 90 - 230 VAC, 50/60Hz, 3A
  • Display: 3.4' (8.6cm) x 4.5' (11.4cm) graphical display
  • Relay Outputs: 5 programmable form A relays rated to 3A at 230V AC (optional additional 9 relay output board)
  • Analog Outputs: 1 programmable 0-20mA or 4-20mA isolated output (optional additional 3 analog output board)
  • Digital Outputs: RS-232, Ethernet

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