RKI GX-3R Pro Gas Detector with Wireless Communication

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).
It simultaneously monitors and displays 5 different gases. In addition to monitoring standard confined space gases, LEL, O2, CO, & H2S, the
GX-3R Pro has a 5th channel where you can add infrared or toxic gas sensors (Hydrogen Cyanide (HCN) and Nitrogen Dioxide (NO2) sensors are currently available for the GX-3R Pro). Two of the four sensor slots have interchangeable sensors providing flexible configurations, which can easily be changed in the field.

SKU: 72-PAX-C Categories: , ,



  • Smallest & lightest detector
    2.9″ W x 2.6″ H x 1.06″ D , 4.58 ounces

  • 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

  • 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*


RKI GX-3R Pro Gas Detector with Wireless Communication