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Portafid M3K.jpg
Test Protocol

Flame ionization detectors for inspecting underground gas lines


The PORTAFID® M3K portable flame ionization detector is the perfect tool for above-ground inspections of underground gas lines. It is reliable and highly accurate, resistant to interference from moisture and only responds selectively to hydrocarbons. The PORTAFID® M3K features a 0.4 l fuel gas bottle, which is carried separately on the user's back.


  • Automatic ignition on switch-on/manual re-ignition

  • Automatic zero point setting

  • Linear display from 0 - 10,000 ppm

  • Adjustable alarm threshold

  • Automatic alarm activation

  • Volume flow and flame monitor

  • 2-step pressure regulator with high-pressure stability

  • Remaining operating time displayed

  • Adjustment options of 10, 100, 1,000 or 10,000 ppm methane

  • Measurement values can be output using RS-232C interface (connection option for PC, GPS and leak plotter systems, Sewerin software)

  • Illuminated liquid crystal display

  • Analog and digital measurement display

  • Automatic and manual measuring range changeover

  • Slider for displaying the maximum concentration

  • Operating time (rechargeable battery) with pump running, eight hours

  • Fully charged within 2.5 hours


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