RKI Instruments

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

Usually ships in 4 - 6 weeks
  • RKI01-72-PA_-C-Product_Image_1
  • RKI01-72-PA_-C-Product_Image_2
  • RKI01-72-PA_-C-Product_Image_3
  • RKI01-72-PA_-C-Product_Image_4
  • RKI01-72-PA_-C-Product_Image_5
$931.00 - $1,311.00


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 rechargeable Li-ion battery pack and 120V wall charger. The alkaline battery version is 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)
    • Confined Space Gases: LEL, O2, H2S, CO
    • Toxic/IR Gases: HCN, NO2, SO2, 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 (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
  • ATEX/CSA Approval
  • 3 Year Warranty

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

Specification Sheet:

Optional Accessory: 4-Gas Mix 34 Liter Calibration GasDownloading cable, USB / IrDA adapter, 0.25 Regulator

Part Numbers:
72-PAX-C GX-3R Pro, 4 gas, LEL/O2/ combo H2S & CO with Li-Ion battery & 100-240 VAC charger (no 5th sensor)
72-PAA-C GX-3R Pro, 5 gas, LEL/O2/combo H2S & CO/ppm CO2 with 100-240 VAC charger
72-PAB-C GX-3R Pro, 5 gas, LEL/O2/combo H2S & CO/% CO2 with 100-240 VAC charger 
72-PAC-C GX-3R Pro, 5 gas, LEL/O2/combo H2S & CO/SO2 100 ppm with 100-240 VAC charger
72-PAD-C GX-3R Pro, 5 gas, LEL/O2/combo H2S & CO/NO2 20.0 ppm with 100-240 VAC charger
72-PAE-C GX-3R Pro, 5 gas, LEL/O2/combo H2S & CO/HCN 30.0 ppm with 100-240 VAC charger
DISCONTINUED72-PAF-C GX-3R Pro, 5 gas, LEL/O2/combo H2S & CO/PH3 20.0 ppm with 100-240 VAC charger

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

View AllClose

Additional Information

Gas Type:
%LEL, O2, H2S, CO
Country of Origin:
View AllClose