Gas Detection For Life

Leading gas detector manufacturer


Gas Detectors by RKI Instruments
Gas Detection Solutions and Equipment


6 gas sample draw personal monitor with PID & super toxics

PID gas monitor GX-6000This powerful 6 gas sample drawing instrument monitors the standard 4 confined space gases in addition to having 2 smart sensor slots for PID, IR, and Toxic sensors.



Confined Space Gas Monitor

Personal Gas Monitor GX-2009Weighing only 4.6 ounces, the GX-2009 is the smallest and lightest four-gas monitor in the world. It fits in the palm of your hand.
The GX-2009simultaneously monitors and displays combustibles, O2, CO, and H2S.




Sample Draw Gas Detector

Personal Gas Monitor GX-20123 Operating Modes:
Confined Space
Leak Check & Bar Hole

Monitors PPM LEL, and % volume methane, O2, CO and H2S

Internal sample drawing pump with up to 50' range


Gas Sensor Transmitter M2A

M2A Series

Stand Alone Transmitter

Explosion proof Gas Detector, Available for LEL, H2S, CO, O2, and IR for LEL and CO2

Gas Detection Controller Beacon 410

Beacon 410

4 Channel Controller

Simultaneously displays the gas type, readings, and status of 4 channels

03 Series gas monitor

03 Series

Single Gas Personal Detectors

4 Gases to choose from: LEL, CO, H2S, or O2. Pocket size and lightweight. Visual, audible, and vibration alarms

Portable Gas Detector Eagle 2

Eagle 2

6 Gas Sample Draw
Portable Gas Detector

Widest selection of high quality, long life and field proven sensors in the industry.

Calibration Station for Gas Detectors

SDM Series

Calibration Stations

Automated instrument management for up to 10 instruments.


SP-220 gas monitor


Portable gas leak checker

The SP-220 automatically draws leaking gases with an internal pump.

Gas Detectors and Gas Monitors

RKI offers reliable combustible gas detectors, leak detectors, and professional gas detection equipment.

RKI is located in Union City, California and began in 1994 with the belief that distributors and customers deserve a permanent reliable source for advanced gas detection instruments and advanced gas sensors.

RKI produces a complete line of gas monitoring equipment for utilities, mining, police, fire, rescue, hazmat, shipping, transportation, telecom, refineries, offshore drilling platforms, petrochemical plants, parking garages, wastewater treatment, pharmaceuticals, manufacturing, HVAC, laboratories and more.

RKI is also known for unique product development of fixed gas detecting systems using audible alarms, visual warning lights, capable of operating in the harshest environment, with flame arrestors and coatings which make them water repellent. Also, splash guards are available for use in very wet environments. RKI's personal protection equipment (PPE) is designed to meet unique gas detection needs while maintaining worker safety.