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RKI GX-3R Pro 5 Gas Confined Space Monitor with Battery Pack

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RKI Instruments

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RKI 3R-PRO 5 Gas Monitor with Bluetooth and Man down Alarm is the smallest and lightest 5 Gas Personal monitor. Weighing only 4.58 ounces, it fits in the palm of your hand. In addition to the four confined space gases (CO, H2S, LEL, O2) the GX-3R Pro has a 5th channel for toxic and infrared sensors. The GX-3R Pro comes equipped with Bluetooth wireless communication. This 5 gas monitor utilizes Bluetooth communication to display direct gas readings from the instrument to a phone app, which is available free on either iOS or Android phones.

This version includes Alkaline battery pack only. This monitor with rechargeable battery and wall charger included is also available.

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

Key Features:

  • Smallest & lightest 5 gas monitor (2.9" W x 2.6" H x 1.06" D , 4.58 ounces)
  • Simultaneous detection of 5 gases (LEL, O2, H2S, CO, and other optional sensors)
  • Simple 2-button operation
  • Bluetooth communication with iOS & Android App
  • Non-Compliance Indicator
  • 3 user adjustable alarm levels
  • Panic Alarm (Tap instrument twice)
  • Man Down Alarm
  • Impact resistant body
  • Large full dot, auto-backlit display with auto-rotation
  • Stealth mode for law enforcement
  • Field replaceable sensors & filters
  • Water and dust resistant design, IP66/68
  • 3 Year Warranty

Remember to regularly perform bump tests. RKI recommends calibrating every 90 days.

Specification Sheet:


Part Numbers:
72-PAX-A GX-3R Pro, 4 gas, LEL/O2/ combo H2S & CO with Alkaline battery pack (no 5th sensor)

4-Gas Mix 34 Liter Calibration Gas (optional)
Downloading cable, USB / IrDA adapter (optional)
0.25 Regulator (optional)

Please Contact Customer Service, 1-800-829-9580, for various toxic, infrared sensors options, and calibration kits.


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