Brimstone 942 – Gas analyzer


Emission, Engineering, Natural Gas, Oil & Gas

Measured gas

Carbonyl sulfide – COS, Hydrogen Sulfide – H2S, Sulphur Dioxide – SO2



  • Description
  • Technical Data


Brimstone 942 Tail Gas Analyzer

Model 943-TGX Analyzer System delivers the solution to industry’s need for fast, accurate, reliable and economical Claus sulfur process control.
Unique technology coupled with over 25 years of experience in sulfur plant process testing, process troubleshooting and process control instrumentation are forged together in the design of this superior product.
Capitalizing on the advances in microprocessor, radiation lamp, detector and fiber optics technologies, Galvanic engineers and produces the 943-TGX, the industry’s leading tail gas analyzer system.

This system enhances the proven ultraviolet absorption technology and eliminates the need for heat-traced lines. The sample lines have been replaced by a jacketed, steam heated sample nozzle. This enables the analyzer system to be close coupled to the tail gas duct.
The Sulfur vapor reduction condenser and the sample cell are at the sample point with the ultraviolet light being transmitted to and from the sample cell via optical fibers. Eliminating the heat traced lines and using computer control has greatly reduced the maintenance required and the time required to perform the routine preventive maintenance.

The analyzer system consists of two major functional blocks, sample handling and analytical, each housed in its own enclosure and interconnected by fiber optic cables, electrical and pneumatic conduits. The enclosures are mounted on a common tubular steel frame in a side-by-side configuration.

  • Sulfur recovery tail gas
  • Claus process
  • Claus with tail gas cleanup
  • Claus with oxygen enrichment
  • No sample line
  • Direct connection to process line
  • Fibre optic light path
  • No optical filters and no moving parts
  • Intuitive graphical user interface
  • No analyzer house required
  • Flexible installation for most process pipe
  • configuration
  • Field proven reliability and low maintenance
  • Self-diagnostic and self preservation features
  • Automatic zero
  • Suitable for hazardous area installation

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