To receive the most up-to-date product availability, pricing and delivery options, enter your zip code or log in to your account
Zip Code should not be blankEmail and Password should not be blank
Enter Delivery Zip Code
or
Log In
TELL US MORE
Are you currently located in California?
8 characters minimum
One number
One lowercase letter
One uppercase letter
One special character (!@#$%&*)
Password cannot contain space
Pursuant to CA SB 478, if you are located in California, Airgas cannot display your product pricing until all items have been added to your shopping cart so that we can calculate all applicable fees, including, but not limited to, shipping and handling fees.
The RKI GX-3R Pro is the world’s smallest and lightest 5-gas monitor, weighing just 4.58 ounces and measuring 2.9" x 2.6" x 1.06". It simultaneously detects LEL, O₂, H₂S, CO, and a fifth gas via interchangeable infrared or toxic sensors, including options like CO₂, SO₂, NH₃, and HCN. Bluetooth connectivity enables real-time data viewing and alarm notifications through the RK Link app on iOS and Android devices. Safety features include man-down and panic alarms, a non-compliance indicator, and a rugged IP66/68-rated design. Its rechargeable lithium-ion battery offers up to 25 hours of operation, making it ideal for confined space monitoring and industrial safety applications.
Features
Detect up to 5 gases simultaneously: Confined Space: LEL, O2, H2S, CO Toxics/IR Sensors: HCN, NH3, NO2, PH3, SO2, and CO2 H2 Compensated CO sensor available
Bluetooth communication with iOS and Android App
Panic Alarm and Man Down Alarm
Non-compliance indicator
3 year warranty
Includes
Wrist strap
Rubber boot
Calibration adapter
Applications
Personal monitoring
Confined spaces
Utilities
Water/wastewater
Fire services
Oil and Gas
Construction
Product Attributes
Product Type
» Multi Gas Detector
Gas To Be Measured
» % LEL
» Combustible Gas
» CO
» Carbon Monoxide
» H2S
» Hydrogen Sulfide
» O2
» Oxygen