Riken Keiki | CO-03


The Riken Keiki CO-03 personal single gas monitor is developed to protect users against carbon monoxide (CO) gas types. The CO-03 has a gas- and trouble alarm detection, with a detection range of 0-500ppm (1ppm). Both will be displayed throughout flashing light, buzzer and vibration.

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.

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  Official calibration/certification
  Same day delivery
  24/7 customer service
  Worldwide distribution

  • Available for LEL, O2, H2S, or CO
  • Operates 3,000 hours on alkaline
  • (GP-03 up to 35 hours)
  • Pocket size 2.1” x 2.6” x 0.9”
  • Lightweight, 2.8 ounces
  • IP-67
  • Data log from 5 to 300 hours
  • Audible / visual / vibration alarms
  • Automatic backlight
  • Peak Hold, STEL & TWA
  • Intrinsically safe, ATEX & CSA
  • 3 Year warranty H2S & CO
  • 2 Year warranty LEL & O2

Product Brochure Riken Keiki Personal Single Gas Monitor 03 Series