Signal Model 320 Non-Methane (NMHC) Cutter

  SIGNAL Instruments USA Microprocessor Control

Advanced Gas Analyzers

2-Year Warranty
Applications Gases Technologies
Signal Model 320 Non-Methane (NMHC) Cutter is an external non-methane hydrocarbon cutter providing capability to measure methane using a standard heated flame ionization analyzer (FIA). It provides a low cost alternative to an "all-in-one" FIA incorporating a built in cutter.


Housed in a portable case suitable for inline usage with portable and fixed equipment, this unit is ideal for use with Signal Model 3010 MiniFID or other portable FID units. Two modes of operation allow a reading for either total hydrocarbons (THC) or methane (CH4) only, allowing one to derive a value for non-methane hydrocarbon (NMHC) concentration. In the methane mode, the sample is directed through a heated catalyst; this catalyst oxidizes non -methane species of hydrocarbons in the sample. The THC mode bypasses this catalyst to provide a reading for total hydrocarbon. These two modes allow the derivation of a non -methane hydrocarbon by simply deducting the methane only reading from the total hydrocarbon value. As a standalone unit, this cutter is suitable for use with any heated FIA to obtain a methane-only or non-methane concentration reading.

Specifications:
  • Converter chamber: Fully heated
  • Gas contact materials: 316 stainless steel
  • Chamber temperature: Factory preset
  • Temperature control: PID control
  • Gas connections: Stainless steel -inch
  • Sample flow: 3 Liters/min
  • Filter type: Stainless steel sintered disk
  • Average filter pore size: 100 micron
  • Changeover valve: Heated ball valve
  • Max inlet THC concentration: 0.2% C3H8 (propane) equivalent
  • Warm up time: Average 60 minutes
  • Power: 650W
  • Weight: 6kg

Model 320 Non-Methane Cutter Technical Datasheet

Model 320 Heated Non-Methane Hydrocarbon Cutter Operating Manual


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