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Product Code: GFM426-0000-000

GFM-426 Landfill Gas Monitor (CH4, LEL, CO2, O2, H2S, CO, Datalogging)

The GFM426 has been designed with the needs of the landfill operator in mind. It has 5 gas channels, measures atmospheric, static and differential pressure – and can be used with an orifice plate.

The GFM426 contains all datalogging functionality, is lightweight, uses a clear backlit LCD display and runs for 8 hours on a single charge.

*Discount available if two or more are ordered at the same time*.

The GFM426 leads in its class with many outstanding features for effective operation and administration: 

  • CH4, CO2, O2, H2S and CO gas analysis
  • Atmospheric, static and differential pressure measurement
  • Wellhead gas flow rate
  • Data logging to pre-loaded well head ID’s
  • Over 3000 reading data storage capacity
  • USB Download
  • SiteMan5 PC program
  • Intrinsically safe – ATEX rated
  • 8 hour battery life, 4 hr recharge
  • 12 month recalibration interval
Product available for purchase POA. Please contact a member of our team to discuss your requirements.


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ATEX is the name commonly given to the two European Directives for controlling explosive atmospheres.

ATEX certification ensures that equipment is fit for use within explosive atmospheres and is supplied with adequate information to ensure it can be used safely.

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