
Portable gas monitors
for the marine industry
More than
10,000
MED certified
instruments sold
RIKEN KEIKI's portable gas monitors have been certified to the MED regulations.
Riken Keiki is one of the only gas detection manufacturers whose range of marine instruments are certified to the MED regulation.
It is mandatory for EU flagged vessels to comply with the MED Directive, and member states have an obligation to undertake market surveillance to ensure compliance.
Products certified as meeting requirements of Marine Equipment Directive 2014/90/EU will be accepted by all European and most non-European flag states.


RIKEN KEIKI's MED certified
products conform to SOLAS XI-1/7 regulation
for enclosed spaces, as required by
MED regulations since July 2017.

MED certified product range
Products that cover the majority of ship types and applications
Comparison with other companies
Company | RIKEN KEIKI | Company A | Company B | Company C | ||
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Model | Internal pump | Optional pump | Internal pump | Optional pump | Internal pump | Internal pump |
MED certification | Valid | Valid | Expired | Valid | ||
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Applications |
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Model
- RIKEN KEIKI
- Internal pump
- Optional pump
- Company A
- Internal pump
- Optional pump
- Company B
- Internal pump
-
- Company C
- Internal pump
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-
MED certification
- RIKEN KEIKI
- Valid
- Company A
- Valid
- Company B
- Expired
- Company C
- Valid
-
Variety of models
- RIKEN KEIKI
-
- Company A
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- Company B
-
- Company C
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Durability
- RIKEN KEIKI
-
- Company A
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- Company B
-
- Company C
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Pump strength
-
- Internal pump
- Optional pump
- RIKEN KEIKI
-
-
- Company A
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-
- Company B
-
(Expired)
- Company C
-
(Option)
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Applications
- RIKEN KEIKI
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- Company A
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- Company B
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- Company C
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Choose by ship classification or application

Service network covering the world's major ports
We have a service network of more than 50 companies in Europe and more than 100 companies worldwide for Major European and Global ports. We can provide services such as product repair, parts supply and sales in all Major ports around the world.
More than 10,000
MED certified products sold.
RIKEN KEIKI, has been developing gas monitors for more than 80 years, and has built a strong and long lasting relationship of trust with many of our numerous clients. Among those products, we have sold more than 10,000 MED certified portable gas monitors. These help to support safe working on board vessels around the world.
About us
Since our company was founded in 1939 under the umbrella conglomerate of RIKEN, our management philosophy has been to create safe working environments. Our science and technology research laboratories have developed industrial gas detection warning devices, specializing in monitoring harmful gases in the work environment, as well as for explosion prevention from combustible gases.
Without compromise, we continue to challenge ourselves to be technological leaders, developing and manufacturing a wide range of industrial gas detection systems and monitors. From large-scale gas detecting alarm systems to small-sized personal gas monitors for safety protection; used in many industries including semiconductor and LCD plants, petroleum complexes, steelworks, various tankers, oil storage stations, underground gas facilities, and volcanoes.


Experts in gas detection for over 80 years
The “RIKEN Gas Detector” utilizing the principle of light wave interference, was exhibited at the 1937 Paris World Exposition. Its subsequent use greatly contributed to the prevention of accidents in coal mines where many fatalities were prevalent at the time.
On the 15th March 2019 we celebrated our 80th anniversary. Supported by our history and tradition we shall further improve long established technology, and continue to innovative. Developing reliable quality products in response to the diverse needs of industry.