Skip to content
top_products_fv top_products_fv_sp

Reliable Gas Detection for Safer Workplaces

From portable monitors to fixed systems and leak detectors, our products deliver precise, real-time gas monitoring for industrial safety in any environment.

Products

Search Words
Product type
Single/Multi
Applications
Markets
Gas
OR: The device is capable of detecting at least one of the selected gases.
AND: The device is capable of detecting all of the selected gases.
※ Enter a number or alphabet to display the list.
Exproof
Certification
Best selling
Search Words
Product type
Single/Multi
Applications
Industries
Gas
OR: Multi-type models are shown if more than two gases are selected.
AND: Single and multi-type models are shown if more than two gases are selected.
※ Enter a number or alphabet to display the list.
Exproof
Certification
Best selling

Products

product image
Portable Gas Monitor
GX-3R
Product type Portable Gas Detector
Single/Multi Multi
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: CH4, CO, O2, H2S
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), MED (EU Marine Equipment Directive), EN 60079-29-1, EN 50104, EN 45544, JIS, JG (MLIT) Type Approval, etc.(dependsonthespecification)
bestselling: true
More Details
product image
Portable Gas Monitor
GX-3R Pro
Product type Portable Gas Detector
Single/Multi Multi
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: CH4, CO, O2, H2S, NH3
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), MED (EU Marine Equipment Directive), EN 60079-29-1, EN 50104, EN 45544, JIS, JG (MLIT) Type Approval, etc.(dependsonthespecification)
More Details
product image
Calibration Station
SDM-3R
Product type Calibration Station
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
use_purpose: Calibration/Bump Testing
exproof: Non Explosion-Proof
More Details
product image
Portable Gas Detector
GX-Force
Product type Portable Gas Detector
Single/Multi Multi
industry: Infrastructure, Oil & Gas
detectable_gas:
target_gas: CH4, CO, O2, H2S
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), EN 60079-29-1, EN 50104, JIS, etc.(dependsonthespecification)
More Details
product image
Portable Multi Gas Monitor
GX-6000
Product type Portable Gas Detector
Single/Multi Multi
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: CH4, CO, O2, H2S, NH3
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, JG (MLIT) Type Approval, etc.(dependsonthespecification)
bestselling: true
More Details
product image
Calibration Station
SDM-6000
Product type Calibration Station
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
use_purpose: Calibration/Bump Testing
exproof: Non Explosion-Proof
More Details
product image
Portable Multi Gas Detector
GX-9000
Product type Portable Gas Detector
Single/Multi Multi
industry: Infrastructure, Marine
detectable_gas:
target_gas: C2H2, CH4, H2, CO, O2, H2S, NH3
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, MED (EU Marine Equipment Directive), JIS, etc.(dependsonthespecification)
More Details
product image
Portable Multi Gas Detector
GX-9000H
Product type Portable Gas Detector
Single/Multi Multi
industry: Marine
detectable_gas:
target_gas: CH4, CO, O2, H2S
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, MED (EU Marine Equipment Directive), JIS, etc.(dependsonthespecification)
More Details
product image
Portable Multi Toxic Gas Detector
SC-9000
Product type Portable Gas Detector
Single/Multi Multi
industry: Semiconductors, Marine
detectable_gas:
target_gas: NH3
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, JIS
More Details
product image
Portable Gas Monitor
OX-04
Product type Portable Gas Detector
Single/Multi Single
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: O2
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), EN 50104, etc.(dependsonthespecification)
More Details
product image
Portable Gas Monitor
HS-04
Product type Portable Gas Detector
Single/Multi Single
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: H2S
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), etc.(dependsonthespecification)
More Details
product image
Portable Gas Monitor
CX-04
Product type Portable Gas Detector
Single/Multi Multi
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: CO, O2
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), etc.(dependsonthespecification)
More Details
product image
Portable Gas Monitor
SC-04
Product type Portable Gas Detector
Single/Multi Single
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas
detectable_gas:
target_gas: NH3
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), etc.(dependsonthespecification)
More Details
product image
Portable Gas Monitor
CO-04
Product type Portable Gas Detector
Single/Multi Single
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: CO
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), etc.(dependsonthespecification)
More Details
product image
Portable Gas Monitor
CO-04(C-)
Product type Portable Gas Detector
Single/Multi Single
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: CO
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), etc.(dependsonthespecification)
More Details
product image
Portable Gas Monitor
GW-3(C-)
Product type Portable Gas Detector
Single/Multi Single
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: CO
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), JIS
More Details
product image
Portable Gas Monitor
GW-3(OX)
Product type Portable Gas Detector
Single/Multi Single
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: O2
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), JIS
More Details
product image
Portable Gas Monitor
GW-3(CO)
Product type Portable Gas Detector
Single/Multi Single
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: CO
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), JIS
More Details
product image
Portable Gas Monitor
GW-3(HS)
Product type Portable Gas Detector
Single/Multi Single
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: H2S
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), JIS
More Details
product image
Portable Gas Monitor
GW-3(CX)
Product type Portable Gas Detector
Single/Multi Multi
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: CO, O2
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), JIS
More Details
product image
Portable Gas Leak Checker
SP-230(TYPE FUM)
Product type Portable Gas Detector
Single/Multi Multi
detectable_gas:
target_gas: C2H4Br2
use_purpose: Leak check
exproof: Non Explosion-Proof
More Details
product image
Portable Gas Leak Checker
SP-230(TYPE SC)
Product type Portable Gas Detector
Single/Multi Multi
industry: Semiconductors
detectable_gas:
target_gas: AsH3, B2H6, C2H2, C2H2CL2, C2H4, C2H5OH, C2HCL3, C3H6O, CH4, H2, CO, H2S, C7H8, NH3
use_purpose: Leak check
exproof: Non Explosion-Proof
bestselling: true
More Details
product image
Portable Gas Leak Checker
SP-230(TYPE H2)
Product type Portable Gas Detector
Single/Multi Multi
industry: Infrastructure, Semiconductors, Sustainable Energy, Marine
detectable_gas:
target_gas: C2H2, C2H4, C2H6, C3H6, CH4, H2
use_purpose: Leak check
exproof: Explosion-Proof
certification: Japanese Certification
More Details
product image
Portable Gas Leak Checker
SP-230(TYPE F)
Product type Portable Gas Detector
Single/Multi Multi
industry: Infrastructure
detectable_gas:
use_purpose: Leak check
exproof: Explosion-Proof
certification: Japanese Certification
More Details
product image
SF6 Purity Meter
FI-8000-SF6
Product type Portable Gas Analyzer, Portable Gas Detector
Single/Multi Single
industry: Infrastructure
detectable_gas:
use_purpose: Concentration management
exproof: Explosion-Proof
More Details
product image
Optical Interterometric Gas Concentration Meter
FI-8000
Product type Portable Gas Analyzer, Portable Gas Detector
Single/Multi Multi
industry: Infrastructure, Semiconductors, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: 1-C5H10, 1-C6H12, 1233zd, 13A, 2,4-pent, 2-BuOH, 2-C4H6, 2-EHA, 2-EHM, 3M3POH, ACH, AcOBu, AGE, AK-225, ALD, AMA, ANISOLE, Ar, AsH3, ATRP, B2H6, BCHD, BCM, Benz-ol, Br2, BTBAS, c-C5H8, C10H12, C10H14, C10H16, C10H18, C10H22, C11H24, C12H24O3, C12H26, C14H30, C2-OLEF, C2CL4, C2F4, C2H2, C2H2CL2, C2H3CL3, C2H3OF3, C2H4, C2H4Br2, C2H4O2, C2H5CHO, C2H5CL, C2H5NH2, C2H5OH, C2H5SH, C2H6, C2H6O2, C2H6O4S, C2H6S, C2H7NO, C2H8N2, C2HCL3, C3F6, C3F6O, C3F8, C3H3N, C3H4O, C3H4O2, C3H5CL, C3H5CL3, C3H5N, C3H5OCL, C3H6, C3H6CL2, C3H6O, C3H6O2, C3H6O3, C4H10, CH4, H2, CO, O2, H2S, C7H8, NH3, SiH2(CO2)
use_purpose: Concentration management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX
More Details
product image
Gas Detector with Signal Converter
SD-3
Product type Fixed Gas Detector
Single/Multi Single
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: H2S
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), Safety Integrity Level (SIL), etc.(dependsonthespecification), EN
bestselling: true
More Details
product image
Fixed Gas Detector
GD-70D
Product type Fixed Gas Detector
Single/Multi Single
industry: Infrastructure, Semiconductors, Sustainable Energy
detectable_gas:
target_gas: 1-C6H12, ALD, AsH3, B2H6, Br2, BTBAS, C10H22, C2F4, C2H2, C2H2CL2, C2H4, C2H4O2, C2H5OH, C2H6, C2HCL3, C3F6, C3H6, C3H6O, CH4, H2, CO, O2, H2S, C7H8, NH3
use_purpose: Safety management
exproof: Non Explosion-Proof
bestselling: true
More Details
product image
Smart type gas detector head
TP-70D
Product type Fixed Gas Detector
Single/Multi Single
industry: Semiconductors
detectable_gas:
target_gas: 1-C6H12, ALD, AsH3, B2H6, Br2, BTBAS, C10H22, C2F4, C2H2, C2H2CL2, C2H4, C2H4O2, C2H5OH, C2H6, C2HCL3, C3F6, C3H6, C3H6O, CH4, H2, CO, O2, H2S, C7H8, NH3
use_purpose: Safety management
exproof: Non Explosion-Proof
More Details
product image
Smart type gas detector head
TP-70DGII
Product type Fixed Gas Detector
Single/Multi Single
industry: Semiconductors
detectable_gas:
use_purpose: Safety management
exproof: Non Explosion-Proof
More Details
product image
Suction Type Gas Detector Head
SD-D58
Product type Fixed Gas Detector
Single/Multi Single
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: 1-C6H12, 1233zd, 2-BuOH, 2-C4H6, 2-EHA, 3M3POH, ACH, AcOBu, AGE, AK-225, ALD, AMA, ANISOLE, BCHD, BCM, c-C5H8, C10H12, C10H14, C10H16, C10H18, C10H22, C11H24, C12H26, C2-OLEF, C2CL4, C2F4, C2H2, C2H2CL2, C2H3OF3, C2H4, C2H4O2, C2H5CHO, C2H5CL, C2H5NH2, C2H5OH, C2H5SH, C2H6, C2H6O4S, C2H6S, C2H7NO, C2H8N2, C2HCL3, C3F6, C3F6O, C3H3N, C3H4O, C3H4O2, C3H5CL3, C3H5N, C3H5OCL, C3H6, C3H6CL2, C3H6O, C3H6O3, CH4, H2, CO, H2S, C7H8, NH3
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, ATEX, China Ex (China), TS (Taiwan)
More Details
product image
Suction Type Gas Detector Head
GD-D58
Product type Fixed Gas Detector
Single/Multi Single
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: 1-C6H12, 1233zd, 2-BuOH, 2-C4H6, 2-EHA, 3M3POH, ACH, AcOBu, AGE, AK-225, ALD, AMA, ANISOLE, BCHD, BCM, c-C5H8, C10H12, C10H14, C10H16, C10H18, C10H22, C11H24, C12H26, C2-OLEF, C2CL4, C2F4, C2H2, C2H2CL2, C2H3OF3, C2H4, C2H4O2, C2H5CHO, C2H5CL, C2H5NH2, C2H5OH, C2H5SH, C2H6, C2H6O4S, C2H6S, C2H7NO, C2H8N2, C2HCL3, C3F6, C3F6O, C3H3N, C3H4O, C3H4O2, C3H5CL3, C3H5N, C3H5OCL, C3H6, C3H6CL2, C3H6O, C3H6O3, CH4, H2, CO, H2S, C7H8, NH3
use_purpose: Safety management
exproof: Explosion-Proof
certification: Japanese Certification, ATEX, China Ex (China), TS (Taiwan)
More Details
product image
Fixed Gas Detector
RP-D58
Product type Accessories & Units
industry: Infrastructure, Semiconductors, Sustainable Energy, Marine, Oil & Gas, Steel
target_gas: H2
use_purpose: Other
exproof: Explosion-Proof
certification: Japanese Certification, ATEX, TS (Taiwan)
More Details
product image
Highly Sensitive Toxic Gas Monitor
FP-300
Product type Fixed Gas Detector
Single/Multi Single
industry: Semiconductors
detectable_gas:
use_purpose: Safety management
exproof: Non Explosion-Proof
More Details
product image
Highly Sensitive Toxic Gas Monitor
FP-300AGZS
Product type Fixed Gas Detector
Single/Multi Single
industry: Semiconductors
detectable_gas:
use_purpose: Safety management
exproof: Non Explosion-Proof
More Details
product image
Highly Sensitive Toxic Gas Monitor
FP-301
Product type Fixed Gas Detector
Single/Multi Single
industry: Semiconductors
detectable_gas:
target_gas: AsH3
use_purpose: Safety management
exproof: Non Explosion-Proof
More Details
product image
Highly Sensitive Toxic Gas Monitor
FP-330
Product type Fixed Gas Detector
Single/Multi Single
industry: Semiconductors
detectable_gas:
use_purpose: Safety management
exproof: Non Explosion-Proof
More Details
product image
Single Point Gas Monitor
EC-600
Product type Fixed Gas Detector
Single/Multi Single
industry: Steel
detectable_gas:
target_gas: CO
use_purpose: Safety management
exproof: Non Explosion-Proof
More Details
product image
Fixed Gas Detector
RI-600
Product type Fixed Gas Detector
Single/Multi Single
industry: Infrastructure
detectable_gas:
use_purpose: Safety management
exproof: Non Explosion-Proof
More Details
product image
Fixed Gas Detector
OX-600
Product type Fixed Gas Detector
Single/Multi Single
industry: Infrastructure
detectable_gas:
target_gas: O2
use_purpose: Safety management
exproof: Non Explosion-Proof
More Details
product image
Gas Analyzer
FI-900
Product type Fixed Gas Analyzer
Single/Multi Single
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
target_gas: C2H4, C2H5OH, C2H6, C2HCL3, C3F8, C3H3N, C3H6, C3H6O, CH4, H2, C7H8, NH3
use_purpose: Concentration management
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX
More Details
product image
Explosion-proof Calorimeter
OHC-800
Product type Fixed Gas Analyzer
Single/Multi Single
industry: Infrastructure, Sustainable Energy, Marine, Oil & Gas, Steel
detectable_gas:
use_purpose: Measure Calorific value
exproof: Explosion-Proof
certification: Japanese Certification, IECEx, ATEX, China Ex (China), FM (USA, Canada), etc.(dependsonthespecification)
More Details
product image
Gas Analyzer
RTGMS
Product type Fixed Gas Analyzer
Single/Multi Multi
industry: Infrastructure, Sustainable Energy, Steel
detectable_gas:
use_purpose: Concentration management
exproof: Explosion-Proof
certification: IECEx, ATEX, etc.(dependsonthespecification)
More Details

RIKEN KEIKI’s Solutions

Trusted by leading companies worldwide in fields as diverse as the oil and gas, energy, semiconductor, marine, and steel industries, our years of experience delivering results and superior sensor technology have firmly positioned Riken Keiki at the forefront of the global market.

Semiconductors
Semiconductors
aliqua.Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.
Learn More
semiconductor _img
Infrastructure
Infrastructure
Infrastructure refers to essential facilities and services that form the foundation of everyday life, such as electricity, gas, water supply and sewage systems, telecommunications, the internet, roads, and public transportation (buses and trains). As a result, a stable supply is critical, and the maintenance of infrastructure is indispensable.
Learn More
インフラ用画像
Sustainable
Energy
Sustainable
Energy
To reduce greenhouse gas emissions such as carbon dioxide and methane, the development of next-generation energy sources that ensure a stable and sustainable energy supply is an urgent priority.
Learn More
sustainable energy-2
Oil＆Gas
Oil＆Gas
Gas detection is performed throughout various stages of the oil & gas industry, including crude oil extraction, transportation, storage, and refining.From the high-quality gas refining required as energy infrastructure to the management of toxic gases emitted as by-products, the purposes of gas monitoring are diverse.
Learn More
card_item_img_6
Marine
Marine
Oil, gas, and various chemical products are loaded onto vessels and transported worldwide. These vessels pose occupational safety and health risks due to confined spaces, fuel leaks, and cargo. As a result, international regulations have been established for vessels, one of which includes gas detection.
Learn More
Shipping_img
Steel
Steel
In steel manufacturing, the iron content in iron ore is reduced through contact with the carbon in coke, producing pig iron. It is characteristic that various gases are generated in all processes, such as sintering, coke, and blast furnace processes.
Learn More
steel-strenght-category-3
View All Solutions

Why Customers Choose Us

Since our beginnings in 1939, Riken Keiki has continued to lead the way in gas detection technology, laying the foundations that support our modern society.

Discover why customers continue to choose Riken Keiki, the global standard in gas detection equipment.

image 30
Read More
image 30

See Our Solutions in Action!

Click Subscribe to Join Our Safety Community.
YouTube Thumbnail
▶

See Our Solutions in Action!

Click Subscribe to Join Our Safety Community.
Our Channel
↑