Copyright© 2021 RIKEN KEIKI Co., Ltd. All Rights Reserved.
Company name: RIKEN KEIKI CO., LTD.
Headquarter: 2-7-6 Azusawa, Itabashi-Ku, Tokyo 174-8744 Japan
TEL: +81-3-3966-1113
Major Products: Combustible gas detection
Oxygen deficiency / enrichment gas detection
Toxic gas detection
Multi-Gas detection equipment
Gas Calorimeter
Environmental Measurement Instruments / Other devices or
apparatus
Development & Development Center: 2-3 Minamisakaecho, Kasukabe City,
Production Base: Saitama 344-0057 Japan
Production Base: RIKEN KEIKI NARA MFG. Co., Ltd.: 49-1 Abe, Sakurai City, Nara
633-0054 Japan
Hakodate Factory (Toi): 938-1 Oyasucho, Hakodate City,
Hokkaido 041-0251 Japan
Already invested in a competitor’s solution? Not a problem!
RIKEN monitors are designed to ‘mix and match’ seamlessly.
Our apps team stands ready to help you through it.

LONWORKS
POE
Modbus
4-20mA
AVAILABLE


・RIKEN is smaller than Competitors
Competitors : 5.91(H) x 2.56(W) x 6.02(D) in
15(H) x 6.5(W) x 15.3(D) cm
GD-70D : 4.72(H) x 2.76(W) x 5.70(D) in
12(H) x 7(W) x 14.5(D) cm
gases
・260 original sensors made for
semiconductor gasses
・Over 10,000 companies use our sensors
・Half million units in operation across the globe
・80yr history making gas detection devices
・Marketshare leader focused on innovation
COST & SPACE Reductions
1 detector for 4 gases

MODEL
GD-84D
Multi-gas fixed gas detector
for semiconductor factories.
Monitor the safety by 85 specialized sensors.
Labor cost & time for installation work 1/4
Current sampling system
Alarm at the latest TWA-TLV by ACGIH
We’re constantly developing sensors to catch
up to the latest TWA-TLV.
Need Cost Reduction?
Consider RIKEN EG-1 Ethernet Gateway

Conventional Solution
Up to 30 PLCs needed
RIKEN Solution
Benefit: Only 1 PLC needed

PLC 1
PLC 2
PLC 30
Gas Detectors:
960 Units

4ea EG-1
Needed For
960 unit
EG-1
Gas Detectors:
960 Units
RIKEN Ethernet Gateway solution requires only 1 PLC

EG-1



RIKEN has over 150
EG-1 Gateways
installed in the field!
A single EG-1 drives up to 240 detectors,
reducing PLC count, cabling, complexity
・Having challenges with existing gas detection?
・Do you have new gasses needing sensors?
・Having false alarms caused by interference gases?
RIKEN has engineered 260 sensors with
less interference. And if you cannot find
a sensor suitable for your target gas,
we can develop a new sensor for you.

Riken Keiki - Gas Detection since 1939