Starting at $470.00

Some models in stock. View available part numbers.

Need Help? Call 1-800-884-4967 8:00am to 5:30pm ET

Contact Instrumart for warranty & non-warranty repairs, as well as calibrations, of the RKI Instruments GX-2009


  • Accuracy:
    • ±5% of reading or ±2% LEL for combustible gases
    • ±5% of reading or ±2ppm for H2S
    • ±5% of reading or ±5ppm for CO
    • ±0.5% for O2
  • Large capacity data logging standard
  • Intrinsically safe
  • Small compact design
    • 2.7 x 3 x 1 inches
  • Impact resistant rubber over-mold body
  • IP-67 water resistant & dust proof
  • 2-year warranty

What's in the Box

  • Wrist strap
  • Two NiMH batteries with hardware
  • Product CD

The RKI Instruments GX-2009 confined space monitor can monitor up to four gases and display values for LEL, O2, H2S, and CO simultaneously on a large LCD display. The user adjustable alarms include vibration, audible, as well as bright visual alarm LEDs located on three sides of the instrument to alert from multiple perspectives.

The GX-2009 features auto-calibration, calibration and bump test lock out or reminder control, STEL and TWA readings, and peak hold. It also includes a data logger with up to 300 hours of log time, eight alarm trends, and capacity to store up to 100 calibration records. The software is Windows XP, 7, 8, and 10 compatible.

Applications include personal monitoring, confined spaces, refineries, petrochemical, utilities, oil and gas, water and wastewater, fire services, and construction.

RKI Instruments also offers the GX-2009 with US Department of Labor Mine Safety & Health Administration (MSHA) approval.

RKI Instruments RP-2009 Pump
Includes internal dust filter, available with up to 20 feet of hose & probe
RKI Instruments Portable Replacement Sensors
Replacement sensors for RKI Instruments portable gas detectors
In Stock
RKI Instruments Gas Cylinder
Available in 34, 58, 103, 166 liters, steel or aluminum
RKI Instruments 12 VDC Adapter for Charger
Includes vehicle plug, charger base not included
RKI Instruments 12VDC Charging Station
Single unit charging station includes vehicle adaptor plug, for GX-2009
RKI Instruments Hand Aspirated Sampler
Sampler with probe & up to 100ft of hose
RKI Instruments 47-5084RK-01 Downloading Cable
USB to IrDA adapter for Windows XP, 7 & 8 to connect computers that do not have a built-in IR port
RKI Instruments NiMH Battery Set
Set of 2 batteries, includes hardware
RKI Instruments 13-0116RK Alligator Clip
For GX-2009 confined space monitor
RKI Instruments 20-0115RK Carrying Case
Padded case with room for accessories
RKI Instruments GX-2009 Belt Clip
Includes 3 installation screws
RKI Instruments SDM-2009 Calibration Station
Stand alone calibration station for GX-2009, includes AC adaptor, flash drive, USB cable, tubing & installation CD
RKI Instruments 81-1107RK Calibration Cap
Rubber sample cap for use with GX-2001 & GX-2009 gas detectors
Part Number Price Available
Show Configuration
Base Price
Number of Gases
Four (+$75.00)
LEL, O2, H2S & CO
115/220VAC (+$50.00)
$595.00 5

Interested in Other Part Numbers?

Other part numbers are available to order but are not currently in stock. Current availability for non-stock parts is "Usually ships in 7-10 business days". Click here to select options