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Serie-03 Personal Gas Monitor

Measurement of O2,CO, H2S or cumbustible gases.


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The GP-03, OX-03, CO-03 and HS-03 models are personal gas monitors designed for personal rotection from combustible hydrocarbons, oxygen deficiency, hydrogen sulfide, or carbon monoxide.

The O2, CO and H2S versions can be operated continuously for at least 3,000 hours on (2) AAA size alkaline batteries. The GP-03 operates for 35 hours on alkaline and 30 hours on rechargeable Ni-MH batteries.

The 03 models have 2 preset alarms that are user adjustable. Each version ist also equiped with visual, audible and vibration alarms as standard.

The replacement sensors are inexpensive, easily field replaceable, and are intercangeable with other popular RKIinstruments like the GX-2009, GX-2012 and GasWatch2.

Each 03 Series monitor is impact, dust and water resistant with an IP-67 rating.


  • Detection of O2, CO, H2S or combusstible gases
  • Compact and light weight, only 80g
  • Impact,dust and water resistant (IP-67)
  • Datalogger 5-300 hours with adjustable intervals
  • Peak Hold, STEL & TWA
  • 3.000 hours continuous operation (GP-03 max. 35h)
  • ATEX II CT4 (Alkaline battery)
  • ATEX II CT3 (Ni-MH battery)