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Product Features
  • Ex. Rating: EEx ib IIB T1
  • Provides measurements of up to 6 gases
  • Measure atmospheric, static, and differential pressures
  • Calculated flow rate reading through differential pressure
Delivery options

At Cadmus Products we aim to deliver orders efficiently and at highly competitive rates. 

  • We can ship consignments of all shapes and sizes and hazardous content across the UK and worldwide. Most of our orders are sent via DHL, however sometimes we may use other couriers.
  • If you are purchasing a laboratory product online you can find out the price of shipping checkout. If you are obtaining a quote for a product, then we will email you
    with our best shipping prices along with your quote.
  • Please see our delivery page for full information

The GFM426 is an ATEX certified landfill gas analyser providing fast and accurate measurements of gas and pressure.

It is a fixed configuration that measures 5 gases, using a combination of IR and EC channels. It also provides three different pressure measurements: Atmospheric; Static (Gauge); Differential. Flow rate is derived from a calculation using differential pressure.

Optional extras to measure velocity and temperature are available

GFM426 Key Features
  • Small and portable – easily fits in one hand
  • SiteMan PC software included
  • High-contrast LCD display
  • User-swappable battery pack
  • Battery life ranging from 8 to 12 hours and 4 hours charging time
  • Charger suited to client’s country
  • Protective, weather-proof leather case
  • Supplied in ready-to-go site kit
  • Manual and unattended data-logger with USB download
All GFM instruments require annual service and recalibration and service.

  • Landfill gas extraction

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