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RKI is partnered with Riken Keiki Company, Ltd., the world leader in gas detection and sensor technologies.
RKI Instruments is a global leader in the design and manufacturing of high-quality gas detection equipment and solutions. Founded in 1994, RKI has built a strong reputation for producing reliable, cutting-edge products that are essential in ensuring the safety of personnel and the protection of environments across various industries, including industrial, commercial, and environmental sectors.
The company’s primary focus has been on gas detection systems that monitor hazardous gases such as oxygen, carbon monoxide, hydrogen sulfide, methane, and volatile organic compounds. RKI Instruments provides both portable and fixed gas detection devices, giving businesses the flexibility to monitor air quality and safety in a variety of settings, from manufacturing plants to confined spaces and outdoor environments.
RKI’s products are known for their durability, accuracy, and user-friendly interfaces. With a commitment to innovation, the company has continued to evolve its technology, introducing advanced features like wireless monitoring, data logging, and remote communication capabilities. Throughout its history, RKI Instruments has remained dedicated to providing exceptional service and maintaining high industry standards.
Headquartered in Union City, California, RKI Instruments operates globally, ensuring that safety solutions reach customers across the world. Through continuous research and development, the company continues to stay at the forefront of the gas detection industry, providing peace of mind to workers and industries everywhere.
Celebrating over 80 years in the gas detection business, Riken has over 150,000 points of detection world wide in the semiconductor industry alone. RKI is the exclusive North American supplier of Riken products.
Riken develops first combustible gas monitors based on catalytic sensors, Interferometer.
Riken builds the first combination combustible and oxygen portable gas monitor with alarm, GX-3.
Riken introduces the world’s first 3 gas monitor (LEL, O2, CO) with alarm, Model 1641.
First pocket sized monitors from Riken, Models OX-80, CO-80, and HS-80
Riken introduces the world’s 3 gas, belt worn gas monitor, GX-82.
Riken introduces portable IR unit for CO2 monitoring, RI-411.
Riken offers a portable IR monitor for Freon detection, RI-413.
Riken presents world’s first 4 gas, belt worn portable monitor, GX-86.
Riken introduces the first super toxic gas monitor, SC-90.
RKI Instruments, Inc. becomes Riken Keiki’s North American partner with the introduction of is the GX-94, four gas, portable gas monitor with datalogging and auto calibration.
RKI and Riken together develop and introduce the first 6 gas portable monitor, the EAGLE.
GasWatch, the first wrist worn multi-gas monitor for O2, CO, or H2S.
Riken introduces the GD-K77D smart transmitter with greatly simplified calibration and maintenance.
RKI developed the Beacon 100 and 800 controllers. The Eclipse, NIC stand alone transmitter is also introduced with unique optical controls.
The worlds smallest 4 gas monitor, GX-2001.
Five sensor sample drawing personal monitor that measures % LEL and % volume methane, GX-2003.
RKI Instruments purchases a new building for the corporate headquarters located at 33248 Central Ave, Union City California
The smallest confined space 4 gas monitor, GX-2009
Six gas portable monitor with PID capability, EAGLE 2
Five gas sample draw with 3 operating modes and auto-ranging display of % LEL and % volume, GX-2012 multi gas monitor
Six gas sample draw with PID, IR, and super toxics, GX-6000 multi gas monitor
Leak checker for 40+ Gases fumigants, toxics, freons, and combustibles, SP-220
Benzene Specific PID available for GX-6000
MSHA GX-2009 available with NO2 Sensor
GX-3R, world’s smallest 4-gas monitor / GX-3R Pro smallest 5-gas monitor with bluetooth connectivity for phone app, RK Link
The GasWatch 3 is the world’s smallest and lightest single-gas and dual-gas monitor. Weighing just 1.6 ounces, its compact form affords great comfort and flexibility in how you choose to wear it.
The 04 Series single gas monitor is designed to operate for many years with field replaceable sensors and filters.The 04 Series can be operated continuously for up to 9,000 hours on (2) AAA size alkaline batteries (depending on model). The 04 Series has 3 preset alarms that are user adjustable. Each version is also equipped with visual, audible, and vibration alarms as standard.
The GX-Force is RKI’s smallest personal 1-4 gas monitor with a strong internal sample pump capable of a 100’ sampling range. Weighing only 9.8 ounces, the GX-Force can monitor the standard confined space gases (LEL combustibles, Oxygen, Carbon Monoxide, and Hydrogen Sulfide).