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Model 4025 for Clarus 590 PPC

This is a Trace Sulfur Analyzer by SCD model with GSV. Some features for this specific model include:

  • Meets: ASTM D5504
  • Guaranteed detection levels (based on individual components without interference from neighboring peaks)
  • Sample types analyzed: Gas

Part Number NARL8300
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Detail Information

  • Analysis: refinery gas, natural gas, process gas, and Kraft gas
  • Uses a sulfur chemiluminescence detector (SCD)
  • The SCD features an equimolar response to sulfur compounds, lack of carbon interference and requires simple calibration
  • Capillary-column solution
  • Can be modified with a second or third channel to perform additional analyses (custom solution)
  • Can be designed to be online and/or a multistream system
  • Includes an optional permeation-tube calibration chamber
  • Mounts on top of the analyzer for easy access
  • Manual valve is used to select the calibration chamber or the sample input
  • Permeation tube chamber can accommodate up to four permeation tubes or wafers for calibration of other nonsulfur compounds

Detected Compounds

  • Hydrogen sulfide (H2S), carbonyl sulfide (COS), sulfur dioxide (SO2) (cryogenic cooling required for COS/SO2 separation), mercaptans, aromatic sulfur compounds, sulfides

Highlights of Our Guaranteed, Standard Analyzers:

  • Programmable Pneumatic Control (PPC) for precise and automated gas flow 
  • Operation in automated batch plus on-line sampling modes
  • Auto sampler/Injector, gas sampling valve (GSV) and liquid sampling valve (LSV)  introduction systems
  • An additional channel to analyze speciated hydrocarbons by FID is available in some models
  • An additional channel to analyze Aromatics by PID is available in some models 


Portable No
Product Brand Name Arnel