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Where Exceptional Products meet Unmatched Service

With proper care, this may be the last gas detector you will ever need to purchase.

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Who We Are

RKI is partnered with Riken Keiki Company, Ltd., the world leader in gas detection and sensor technologies.

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Our History

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.

1938

Riken develops first combustible gas monitors based on catalytic sensors, Interferometer.

1938

Riken builds the first combination combustible and oxygen portable gas monitor with alarm, GX-3.

1978

Riken introduces the world’s first 3 gas monitor (LEL, O2, CO) with alarm, Model 1641.

1980

First pocket sized monitors from Riken, Models OX-80, CO-80, and HS-80

1982

Riken introduces the world’s 3 gas, belt worn gas monitor, GX-82.

1983

Riken introduces portable IR unit for CO2 monitoring, RI-411.

1984

Riken offers a portable IR monitor for Freon detection, RI-413.

1986

Riken presents world’s first 4 gas, belt worn portable monitor, GX-86.

1990

Riken introduces the first super toxic gas monitor, SC-90.

1994

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.

1995

RKI and Riken together develop and introduce the first 6 gas portable monitor, the EAGLE.

1997

GasWatch, the first wrist worn multi-gas monitor for O2, CO, or H2S.

1999

Riken introduces the GD-K77D smart transmitter with greatly simplified calibration and maintenance.

2001

RKI developed the Beacon 100 and 800 controllers. The Eclipse, NIC stand alone transmitter is also introduced with unique optical controls.

2001

The worlds smallest 4 gas monitor, GX-2001.

2003

Five sensor sample drawing personal monitor that measures % LEL and % volume methane, GX-2003.

2005

RKI Instruments purchases a new building for the corporate headquarters located at 33248 Central Ave, Union City California

2009

The smallest confined space 4 gas monitor, GX-2009

2010

Six gas portable monitor with PID capability, EAGLE 2

2012

Five gas sample draw with 3 operating modes and auto-ranging display of % LEL and % volume, GX-2012 multi gas monitor

2015

Six gas sample draw with PID, IR, and super toxics, GX-6000 multi gas monitor

2016

Leak checker for 40+ Gases fumigants, toxics, freons, and combustibles, SP-220

2017

Benzene Specific PID available for GX-6000

2018

MSHA GX-2009 available with NO2 Sensor

2019

GX-3R, world’s smallest 4-gas monitor / GX-3R Pro smallest 5-gas monitor with bluetooth connectivity for phone app, RK Link

2020

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.

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Our Benefits

Our flexible benefit program offers associates choices in health and dental to meet their individual needs. Benefits at RKI are work-location specific. However, all full-time associates are eligible for participation in the following benefits:

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Dental

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Over 180 Years of Experience

Every year, RKI has continued to achieve a high level of growth which is attributed to our sales and support of Riken products and the ability to develop our own line of products around Riken’s long lasting sensors. This capability of sales, support, and development is made possible by our seasoned professionals. Each RKI employee has an average of 12 years of gas detection experience, and the top 6 executives combined industry experience totals over 180 years.

More About RKI

We are growing and in need of qualified, self-motivated, and ambitious job candidates.

RKI has customers worldwide and interacts with a variety of international customers.
RKI is a growth company that offers many opportunities for advancement and experience with cutting edge technology.

When you join the RKI team, you have the opportunity to make a positive impact on people’s lives and accomplish great things by being given the tools and opportunities to help you reach your full potential.

Join Our Team

World Leader in Gas Detection and Sensor Technologies

RKI is partnered with Riken Keiki Company, Ltd., the world leader in gas detection and sensor technologies. 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.

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Service & Repair Manager

Service and Repair Manager

Gas Detection

Certificates of Design Assessment

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Portable Monitors

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Distributor Resources

A Letter from our President

Dear Customer,

RKI Instruments, Inc. is an innovative gas detection company located in Union City, California. RKI was established in 1994 by Bob Pellissier and Sandra Gallagher with the belief that customers and distributors deserve a reliable source for advanced gas detection equipment as well as solutions to specific gas monitoring applications.

RKI is partnered with Riken Keiki Co. Ltd., the world leader in gas detection and sensor technologies. In business for over 75 years, Riken has sold over 800,000 portable and fixed gas monitors worldwide with annual sales exceeding $220 million. They have over 700 employees, a large number of which are engineers and scientists. RKI is the exclusive North American supplier of Riken products.

Every year, RKI has continued to achieve a high level of growth which is attributed to our sales and support of Riken products and the ability to develop our own line of products around Riken’s long lasting sensors. This capability of sales, support, and development is made possible by our seasoned professionals. Each RKI employee has an average of 12 years of gas detection experience, and the top 6 executives combined industry experience totals over 180 years.

This combination of quality products and knowledgeable supportive people provides you with the ability and opportunity to confidently face almost any gas monitoring application, with equipment built to last. When you call RKI, you will get solutions and answers to your gas detection needs. RKI is ISO 9001 certified. RKI provides Gas Detection for Life. Not only will our equipment protect your life and property from the hazards of gases and vapors, but with proper care, it may also be the last gas detector you will ever need to purchase.

Sincerely,

Bob Pellissier
President

ABS Design Assessment

RKI is happy to announce that we have obtained the ABS (American Bureau of Shipping) approval for RKI Eagle, Eagle 2 and many of our fixed systems. This approval is well accepted in the marine industry for equipment that is used on board vessels. Many marine vessels need fixed gas detectors for monitoring of the accommodation rooms, engine rooms, and many other locations on the vessel. With the ABS approval, the RKI Eagle portable monitors and fixed systems are ideal products for these applications.

The following products have been evaluated and found to be in conformance with the applicable provisions of the rules, standards, or specifications. They are listed in ABS publications and website. For more information about the ABS Type Approval Program, please click here.

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Class Description

Our instructors will cover the operation, calibration and basic maintenance of these instruments. The registration fee for this class is $200 per student. RKI’s service training classes are only intended for Authorized RKI Distributors. RKI’s Regional Sales Managers are available to conduct local training for end user customers.

RKI will be offering a 3-day virtual service training class specific to servicing both portables and fixed gas detection. Given the current challenges with traveling, RKI is going virtual with this unique service class. We will cover the same content we do with our in-person classes.

Service classes are available to all current RKI Distributors, and have been designed to provide a high level of technical training to enhance the abilities of service personnel who are responsible for maintaining and calibrating RKI products.

For all sessions, RKI will be following the state and county COVID restrictions for onsite social distancing. All attendees will be required to show proof of vaccination. The in-house class sizes will be limited to no more than 12 students.

Tues, Sep. 13

  • Gas Detection Basics
  • Gas Detection Basics
  • Gas Detection Basics
  • Gas Detection Basics
  • Gas Detection Basics

Tues, Sep. 13

  • Gas Detection Basics
  • Gas Detection Basics
  • Gas Detection Basics
  • Gas Detection Basics
  • Gas Detection Basics

Tues, Sep. 13

  • Gas Detection Basics
  • Gas Detection Basics
  • Gas Detection Basics
  • Gas Detection Basics
  • Gas Detection Basics

2022 Schedule

September 13-15, 2022
November 8-10, 2022

Register to Attend

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