About Us

R K Instruments (S) Pte Ltd., established in August 1993, is a joint venture set-up as a regional office of Riken Keiki Co., Ltd, Japan.

R K Instruments is principally engaged in the sales /marketing, distribution, service & maintenance of portable industrial gas detectors for Singapore, Malaysia, and Indonesia markets.

Riken Keiki Co. Ltd (Japan) is the world’s leading manufacturer in portable and fixed type industrial gas detectors since 1939. We are a leading provider of gas detection equipment, onsite- calibration services, and maintenance solutions for semiconductor manufacturing, process automation, building & infrastructure management, biomedical laboratories, and marine industries.

What We Do

R K Instruments offers various models of portable gas monitors and gas leak detection systems. We understand the dangers of working with toxic gases and want to make gas leak detection as accurate and convenient as possible with our products.

Over the years, we have refined our technologies to develop reliable and quality products. Riken Keiki instruments are specially designed and manufactured to respond to diverse industrial applications and requirements. Our customers can rely on them to detect and prevent disasters swiftly and precisely, no matter where they are.

Working to provide effective solutions to customers with various needs have enabled us to develop products like:

  • Alcohol Meters
  • Gas Calibration Systems
  • Fixed Gas Detectors
  • Portable Gas Detectors
  • Gastec Detection Tubes
  • Other Sensors 


Our mission

We remain strongly committed to continually enhancing our products, service quality, and technical supports that are valued by our customers. Our management philosophy is to strive for continuous cost-effective products and services in protecting irreplaceable human life and nature from environmental pollution or destruction.

Some of our major clientele include reputable companies like:


SemiConductor Industry




PCS, TPC, SRC, etc.



ESPL; Titan; V-Ships, ICSM, NYK, etc.


Utilities/Waste Management

City Gas, Power Utilities, Incinerations, etc.