As leaders in sensor technology, we offer a diverse line of gas detection equipment from personal portable instruments to sophisticated continuous monitoring fixed systems. The list of gases that we can detect is the most comprehensive in the industry. Many of these gases also have several detection ranges available.

At the heart of any gas detection instrument is the sensor. With over 70 years of sensor technology experience, Riken Keiki has the knowledge and capability to provide the most advanced detection techniques and manufacture some of the highest quality sensors in the world. Our gas monitors are built around these high quality, long lasting sensors and can detect more gas ranges than any other manufacturer.

 Please click on the most relevant button below to view products.

Portable Gas Detection

Specialty Instruments

Chemical Warfare Agent

Fixed Gas Detection

Calibration Equipment


Occupational Hygiene Equipment

Gas Emissions Analysers 

Search by Gas