RKI GX-3R 4 Gas Confined Space Monitor 72-RA-C

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RKI GX-3R 4 Gas Confined Space Monitor is the smallest, and lightest CS Gas Monitor. Weighing only 3.52 ounces, it clips comfortably within a worker's breathing zone. It simultaneously monitors and displays LEL combustibles, O2, CO, and H2S. The GX-3R utilizes a new generation of micro sensors. The LEL sensor has a unique design with two active filaments in one sensor to increase it’s resistance to silicone poisoning. If one filament gets poisoned the second filament takes over. The new O2 sensor is electrochemical with a 3 to 5 year life span. H2S and CO are now available in a combo micro sensor.Safety supervisors will appreciate the non-compliance indicator. The instrument flashes it’s 3 LED lights every 30 seconds

Applications: Personal monitoring, Confined spaces, Refineries/petrochemical, Utilities, Oil and Gas, Water/wastewater, Fire services, Construction

Key Features:

  • Smallest & lightest 4 gas monitor (2.2" W x 2.55" H x 1.02" D, 3.52 ounces)
  • Simultaneous detection of 4 gases (LEL, O2, H2S & CO)
  • Simple 2-button operation
  • Non-Compliance Indicator
  • Alarms: audible, visual, & vibration
  • 3 user adjustable alarm levels
  • Impact resistant body with removable rubber boot
  • Large LCD Auto-backlit display
  • 25 hours of operation (Lithium-ion battery)
  • Field replaceable sensors & filters
  • Water and dust resistant design, IP66/68
  • Stealth mode for law enforcement
  • 3 Year warranty
  • Updated version of the GX-2009 (Unlike the GX-2009, the GX-3R uses a 0.25 Regulator.)

Remember to calibrate every six months and regularly perform bump tests.

Specification Sheet: 

Optional Accessory: Downloading cable,  USB / IrDA adapter, 0.25 Regulator

Part Numbers:
72-RA-C - Gas Monitor with 100-240 VAC charger

Additional Details:

0.25 LBS
2.50 (in)
3.00 (in)
1.50 (in)
Calculated at Checkout
Gas Type:
%LEL, O2, H2S, CO