Precisive® 5-154
Olefins Analyzer

photo - Precisive 5 Analyzer

Precisive® 5-154 is a real-time gas composition analyzer calibrated for multi-component C1 - C5 of alkane and alkene gas streams. An alternative to gas chromatographs, it offers analysis in seconds with no carrier gas requirement.

What are your analytical needs?
Download this questionaire and
return it to MKS Precisive for a
complete application assessment.

Features & Benefits:

  • Analysis in seconds
    Continuous measurement instead of batch handling
    Real-time feedback
  • Simple to install and maintain
    Low operational costs
    No carrier gas or instrument fuel gas required
  • Linear across measurement range
    Linear response across the full measurement scale
  • Precision and accuracy
    Accurate and reproducible results in under 5 seconds for combustion control to a PLC
  • Flow-through sensor design
    No sensitivity to pressure and flow variations
    Minimized potential sampling issues
  • Small footprint, outdoor rated
    Extractive process mounted - replace GC installation
    Process control to DCS via real-time Modbus output
    NEMA 4X, CSA Class1Div2, ATEX Zone2, IP66 rated

Measurement Channels:

CH4, C2H6, C2H4, C3H8, C3H6, i-C4H10, n-C4H10, up to 20 alkanes, alkynes, alkenes, CO, CO2, H2S and analog inputs including H2 and O2


  • Furnace cracking process monitoring
  • De-Methanization, De-Ethanization, and De-Butanization process monitoring
  • Ethylene Fractionation, Propylene Fractionation, and Acetylene Conversion process monitoring
  • Storage of Ethane and Ethylene


Purchase now or request a quote:
Enter a quantity and click "add to cart"

Part NumberPriceQTY
Precisive® 5-154Quote Only

Documents & Downloads:

Precisive® 5-154 data sheet

Need help?

Contact an Application Specialist by sending an email to MKS Instruments or call 978-645-5500.