Riken Keiki | GX-2009


The smallest and lightest 4-gas monitor in the world. The Riken Keiki GX-2009 weighs only 4.6 ounces, fits in the palm of your hand. It simultaneously monitors and displays combustibles, oxygen, carbon monoxide, and hydrogen sulphide. The Riken Keiki GX-2009 include dual audible alarm ports and alarm LED’s on three sides of the instrument so that alarm conditions are visible from various perspectives, particularly in high noise environments. Other features include a water-resistant and dustproof design with IP 67 rating, an impact resistant rubber over-mold body that is RFI resistant, and a large capacity data logging system included as standard.

Riken Keiki is founded in 1934 and became one of the worlds largest manufacturers of gas detection instruments. Riken Keiki’s innovative drive to enhance their products is what separates Riken Keiki from its competitors.

Riken Keiki
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  Same day delivery
  24/7 customer service
  Worldwide distribution

  • Simultaneous detection of 4 gases, LEL, O2, H2S & CO
  • Smallest / Lightest 4 gas monitor on the market
  • Dual audible alarm ports
  • 3 visual alarm LED’s
  • Vibration alarm
  • IP-67 water-resistant/dustproof design
  • Calibration and bump test lock out or reminder controls
  • 20 hours of operation (NiMH batteries)
  • Automatic backlighting at alarm
  • Impact resistant over-mold body, RFI shielded body
  • STEL and TWA readouts
  • Intrinsically safe, CSA, C/US classified, IECEx / ATEX approved, SOLAS XI-1/7
  • Compliant, MSHA approved version available