RKI 03 Series Single Gas Personal Monitors

Single Gas Personal Monitors
Combustibles, Oxygen, Hydrogen Sulfide, Carbon Monoxide

Individuals need personal protection in hazardous areas at all times without adding extra bulky equipment, and the 03 Series can provide that kind of protection at an affordable price. The GP-03, OX-03, CO-03, and HS-03 models are personal single gas monitors designed for protection from exposure to combustible hydrocarbons, oxygen deficiency, hydrogen sulfide, or carbon monoxide.



  • Operates 3,000 hours on alkaline
    (GP-03 operates 35 or 30 hrs on alkaline/Ni-MH)
  • Pocket size 2.1”(W) x 2.6”(H) x 0.9”(D)
  • Light weight 2.8 ounces
  • Impact, dust, and water resistant (IP-67)
  • Replaceable rubber boot
  • Data log from 5 to 300 hours with adjustable intervals
  • Audible / visual / vibration alarms
  • Automatic backlight
  • Peak Hold, STEL & TWA
  • Low battery alarm
  • Intrinsically safe, ATEX (CSA pending)
  • 3 Year warranty H2S & CO
  • 2 Year warranty LEL & O2