9am-5pm M-F

Request A Quote for Discounted Pricing!
click to zoom in

RKI GX-3R Pro Multi Gas Detector

$695.00 - $1,320.00
Request A Quote
  • Customer Success

    We know our products!

  • Technical Specialists

    Product and System Support

  • Guaranteed Fit

    Right tool for the job

  • Free U.S. Shipping

    Purchases over $199

RKI GX-3R Pro Multi Gas Detector

$695.00 - $1,320.00

RKI GX-3R Pro Multi Gas Detector

$695.00 - $1,320.00

RKI GX-3R Pro 4 and 5 Multi Gas Detector

The GX-3R Pro is the world’s smallest 5-gas monitor weighing only 4.58 ounces and fits in the palm of your hand (2.9” W x 2.6” H x 1.06” D).

GX-3R Pro comes equipped with Bluetooth wireless communication, man-down alarm, the choice of alkaline or rechargeable power supply, and a 3 year warranty. The Lithium-ion battery pack will operate for 25 hours and will fully charge in 3 hours.

GX-3R Pro 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.


  • Smallest & lightest 5 gas monitor

  • Simultaneous detection of 5 gases

    • Confined Space Gases: LEL, O2, H2S, CO

    • Toxic/IR Gases: HCN, NO2, SO2, and CO2

    • H2 Compensated CO sensor available

  • Simple 2-button operation

  • Bluetooth communication with iOS & Android App

  • Non-Compliance Indicator

  • 3 user adjustable alarm levels

  • Panic Alarm

  • 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


  • Personal monitoring
  • Confined spaces
  • Refineries/petrochemical
  • Utilities
  • Oil and Gas
  • Water/Wastewater
  • Fire Services
  • Construction
Check out our other store:
Free US Shipping $199+
Excellent Service