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RIKEN KEIKI

Products of RIKEN KEIKI CO.,LTD

RIKEN KEIKI Co., Ltd offers over a hundred different models of gas detection and environmental measurement products. They continue to refine the technologies established through our history while investigating and improving the quality and technical capabilities of the products we provide. Riken Keiki instruments are designed and manufactured to respond to diverse industrial requirements and applications. Customers rely on them to detect and prevent disasters rapidly and precisely. New product development involves the continual improvement and refinement of existing products, as well as active collaboration with our customers as a matter of course.-

Riken Keiki INDICATOR UNIT

Multi-channel Gas Monitoring System
RM-5000 series

The Riken Keiki RM-5000 Multichannel Gas Monitoring System is a fixed gas detector developed to detect combustible, toxic and oxygen gas types. The Riken Keiki RM-5000 has a high level of visibility and is compatible with the Riken Keiki RM-570A/580. The RM-5000 has a low power consumption.

Category : Fixed gas detector
Type : Indicator unit
Target Gas:Combustible, Toxic, Oxygen
Type of alarm : Gas alarm, Trouble alarm

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Single-channel Gas Monitor
RM-6000 series

The Riken Keiki RM-6000 Single Channel Gas Monitoring System is a fixed gas detector developed to detect combustible, toxic and oxygen gas types. The Riken Keiki RM-6000 is a compact and light weight system, which includes a gas alarm and trouble alarm.

Category : Fixed gas detector
Type : Indicator unit
Target Gas:Combustible, Toxic, Oxygen
Type of alarm : Gas alarm, Trouble alarm

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Multi-channel Gas Monitoring System
RM-590 series

The Riken Keiki RM-590 Multichannel Gas Monitoring System is a gas detection system developed to detect combustible, toxic and oxygen gas types. The Riken Keiki RM-590 is has an integrated compact design with easy plig-in type module, and a 4 digit digital LED display for gas concentration.

Category : CE
Type : Indicator unit
Approvals:Combustible, Toxic, Oxygen
Sampling method : Gas alarm, Trouble alarm

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Riken Keiki DETECTOR HEAD

Gas Detector Head
D58 series

The Riken Keiki D58 gas detector head comes in an explosion proof design and is capable of detecting a diverse range of flammable gas types. A benefit of the Riken Keiki D58 is its long life sensor and sampling pump.

Target gas : Combustible
Explosion proof : Flameproof enclosure
Approvals:ATEX NEPSI TIIS CE

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Gas Detector Head
GD-K88 series

The Riken Keiki GD-K88 gas detector head is a 2-wire system gas detector, with built in aspirator. The Riken Keiki GD-K88 has a corrosive gas protection structure.

Category : Fixed gas detector
Type : Detector head
Target gas:Toxic
Detection principle : Electrochemical

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Gas Detector Head
GD-A80 series

The Riken Keiki GD-A80 is developed to prevent an explosive accident in hazardous areas of various industries.

Category : Fixed gas detector
Type : Detector head
Target gas:Combustible, Toxic
Sampling method : Diffusion

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Gas Detector Head for Inside Furnace
GD-A2400

The Riken Keiki GD-A2400 gas detector head for inside furnace is a detector for the high-boiling solvent in exhaust duct and furnace. The Riken Keiki GD-A2400 has a long sensor head of 250mm in length, that can operate at high temperatures, up till 160℃.

Category : Fixed gas detector
Type : Detector head
Target gas:NMP (N-methylpyrrodidone)
Detection principle : Catalytic combustion
Sampling method : Diffusion

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Gas Detector Head
GD-F3A-1

The Riken Keiki GD-F3A-1 gas detector head is developed to prevent oxygen deficiency accident in various industries.

Category : Fixed gas detector
Type : Detector head
Target gas:Oxygen
Detection principle : Galvanic cell
Sampling method : Diffusion

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Gas Detector Head
GD-F44

The Riken Keiki GD-F44 gas detector head is an oxygen monitoring instrument to prevent oxygen deficiency accident in various industries. The Riken Keiki GD-F44 includes a flameproof enclosure.

Category : Fixed gas detector
Type : Detector head
Target gas:Oxygen
Detection principle : Galvanic cell
Sampling method : Diffusion

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Gas Detector Head
GD-F4A-1

The Riken Keiki GD-F4A-1 gas detector head is an oxygen monitoring instrument to prevent oxygen deficiency accident in various industries. The Riken Keiki GD-F4A-1 is due to its compact and light weight design top off his class.

Category : Fixed gas detector
Type : Detector head
Target gas:Oxygen
Detection principle : Galvanic cell
Sampling method : Sample draw (No pump in GD-F4A-1)

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Riken Keiki STAND-ALONE GAS DETECTOR

Indoor Carbon Monoxide Monitor
EC-600

The Riken Keiki EC-600 indoor carbon monoxide monitor is a stand alone with audible and visual alarms (Analog output is also available). The Riken Keiki EC-600 features an intuitive three color alarming display, long life and reliable CO sensor, three kinds of power supply are available, 100VAC, 24VDC, and Alkaline battery (two AA batteries).

Category : Stand-alone gas detector
Detection principle : Electrochemical
Detection range : 0-150ppm
Sampling method : Diffusion

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Smart Transmitter / Gas Detector
SD-1RI (Type HS)

The Riken Keiki SD-1RI (Type HS) Smart Transmitter/ Gas Detector line of smart transmitters features state-of-the-art gas detectors with durable flameproof enclosure, best operability and maximum safety, especially in hydrogen/acetylene atmospheres.

Category : Fixed gas detector
Type : Stand-alone gas detector
Detection principle : IR
Sampling method : Diffusion

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Smart Transmitter / Gas Detector
SD-1OX

The Riken Keiki SD-1Ox Smart Transmitter / Gas Detector line of smart transmitters features state-of-the-art gas detectors with durable flameproof enclosure, best operability and maximum safety, especially in hydrogen/acetylene atmospheres. A simple magnetic control key is placed over clear marked positions on the surface plate to test and adjust the instrument without opening the transmitter in situations with the danger of explosion.

Category : Fixed gas detector
Type : Stand-alone gas detector
Target gas:Oxygen
Sampling method : Diffusion

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Smart Transmitter / Gas Detector
SD-1EC

The Riken Keiki SD-1EC Smart Transmitter/ Gas Detector line of smart transmitters features state-of-the-art gas detectors with durable flameproof enclosure, best operability and maximum safety, especially in hydrogen/acethylene atmospheres.

Category : Fixed gas detector
Type : Stand-alone gas detector
Target gas:H2S / CO
Sampling method : Diffusion

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Smart Transmitter / Gas Detector
SD-1GP / SD-1GH

The Riken Keiki SD-1GP / SD-1GH Smart Transmitter/ Gas Detector line of smart transmitters features state-of-the-art gas detectors with durable flameproof enclosure, best operability and maximum safety.

Category : Fixed gas detector
Type : Stand-alone gas detector
Sampling method : Diffusion

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Indoor Oxygen Monitor
OX-600

The Riken Keiki OX-600 indoor carbon monoxide monitor is a stand alone with audible and visual alarms (Analog output is also available). The Riken Keiki EC-600 features an intuitive three colour alarming display, long life and reliable oxygen sensor, three kinds of power supply are available, 100VAC, 24VDC, and Alkaline battery (two AA batteries).

Category : Fixed gas detector
Detection range : 0-25.0 vol%
Target gas:Oxygen
Detection principle : Galvanic cell
Sampling method : Diffusion

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Intelligent Gas Detector
GD-70D

The Riken Keiki GD-70D smart gas detection transmitter series sets a new standard for performance, flexibility, and versatility. The Riken Keiki GD-70D sample-draw transmitter offers an array of sensor technologies unmatched in the industry, including unique offerings, such as our hydrogen-specific or LEL versions.The long life high capacity pump and the wide variety of sensing.

Category : Fixed gas detector
Type : Stand-alone gas detector
Target gas:Toxic, Combustible, Oxygen
Detection principle : Different type depending upon sensor unit
Sampling method : Sample draw

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Safety Monitor for Inside Furnace
SD-2500

The Riken Keiki SD-2500 safety monitor for inside furnace is a gas detector for the high-boiling solvent in exhaust duct and furnace. The SD-2500 features a long sensor head (250mm in length), operating in high temperature 0 to 160℃, flameproof enclosure, and smooth operation with the control key.

Category : Fixed gas detector
Type : Stand-alone gas detector
Target gas:NMP (N-methylpyrrodidone)
Detection principle : Catalytic combustion
Detection range : 0-100 %LEL
Sampling method : Diffusion

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Safety Monitor for Inside Furnace
SD-2600

The Riken Keiki SD-2600 safety monitor for inside furnace is a gas detector for the high-boiling solvent in exhaust duct and furnace. The SD-2500 features a long sensor head (250mm in length), operating in high temperature 0 to 160℃, flameproof enclosure, and smooth operation with the control key.

Category : Fixed gas detector
Type : Stand-alone gas detector
Target gas:Combustible gases
Detection principle : Catalytic combustion
Detection range : 0-100 %LEL
Sampling method : Diffusion

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Compact Solvent Gas Monitor
FI-815

The Riken Keiki FI-815 compact solvent gas monitor is a solvent gas monitoring for Offset rotary press, Laminator, Photogravure machine, Coating machine. The Riken Keiki FI-815 features no required warm up, a fast response, long-term stability and no sensor poisoning by corrosive gases and silicone vapours.

Category : Fixed gas detector
Type : Stand-alone gas detector
Target Gas:Combustible gases
Detection principle : Optical interferometric
Sampling method : Sample draw

Infrared CO2 Gas Monitor
RI-215A

Riken Keiki's RI-215A infrared CO2 gas monitor uses a highly reliable nondispersive infrared gas absorption method to detect possible dangerous gases. Further more is the Riken Keiki RI-215A a compact, lightweight and easy to instal gas monitor.

Category : Fixed gas detector
Type : Stand-alone gas detector
Target Gas:Speciality
Detection principle : NDIR (Non-dispersive infrared)
Sampling method : Diffusion

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Infrared CO2 Gas Monitor
RI-215D

Riken Keiki's RI-215D infrared CO2 gas monitor uses a highly reliable nondispersive infrared gas absorption method to detect possible dangerous gases. Further more is the Riken Keiki RI-215A a compact, lightweight and easy to instal gas monitor.

Category : Fixed gas detector
Type : Stand-alone gas detector
Target Gas:Speciality
Detection principle : NDIR (Non-dispersive infrared)
Sampling method : Sample draw

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Gas Analyzer
FI-800

The Riken Keiki FI-800 gas analyser is developed for fuel gas calorie control, solvent gas monitoring and purity control. The Riken Keiki FI-800 features minimal maintenance cost, no sensitivity deterioration and no sensor poisoning by corrosive gases and silicone vapours.

Category : Fixed gas detector
Type : Stand-alone gas detector
Target Gas:Combustible gases
Detection principle : Optical interferometric
Sampling method : Sample draw (No pump inside FI-800)

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Highly Sensitive Toxic Gas Monitor
FP-300 series

The Riken Keiki FP-300 highly sensitive toxic gas monitor features PPB detection for many gases. The FP-300 is easily transportable, has the availability for panel mounting configuration. Cassette tape remainder display included.

Category : Fixed gas detector
Type : Stand-alone gas detector
Target Gas:Toxic
Detection principle : Photoelectric Photometry
Sampling method : Sample draw

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Compact Infrared Gas Monitor
RI-557

The Riken Keiki RI-557 compact infrared gas monitor is suitable for applications in research and lab, environmental monitoring and CO2 gas control. The RI-557 is a compact and light weight gas monitor with a standard dual range.

Category : Fixed gas detector
Type : Stand-alone gas detector
Target Gas:Combustible gases, CO2, CO
Detection principle : NDIR (Non-dispersive infrared)
Sampling method : Sample draw

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Infrared Single Gas Monitor
RI-257

The Riken Keiki RI-257 infrared single gas monitor is developed for applications in cleaning processes, cold-storage plants, drying rooms and refrigerators.

Category : Fixed gas detector
Type : Stand-alone gas detector
Target Gas:Perfluoro compound gases, IPA
Detection principle : NDIR (Non-dispersive infrared)
Sampling method : Sample draw

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Riken Keiki COMBUSTIBLE GAS DETECTOR (Portable)

Portable Gas Detector
NP-1000

The Riken Keiki NP-1000 NP-1000 portable combustible gas detector has attractive features, including: direct reading of 5 target gases, data logging, pump boost, ingress proof rating IP67, Intrinsically safe with ATEX approval for hazardous areas. Ideal for checking gas leaks or monitoring the presence of gas in hazardous areas typically found in oil refineries and petrochemical plants.

Category : Portable
Type : Single gas
Sampling method : Sample draw

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Portable Combustible Gas Detector
NC-1000

The Riken Keiki NC-1000 portable combustible gas detector is developed for combustible gas detection.

Category : Portable
Type : Single gas
Target Gas:Combustible gases
Sampling method : Sample draw

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Portable Gas Leak Checker
SP-220 series

The Riken Keiki SP-220 is a Portable Gas Leak Checker designed to simply check for Super Toxic, Combustible and Freon Gas leaks. The SP-220 is the replacement for the popular SP-205ASC. With 12 hours operation on 2 AA size Alkaline batteries and weighing in at only 215 grammes this instrument is ideal for Super Toxic, Combustible and Freon Gas Leaks.

Category : Portable
Type : Single gas
Target Gas:Depending on Type
Sampling method : Sample draw

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Optical Gas Indicator
FI-8000

The Riken Keiki FI-8000 optical gas indicator, user can select the pump suction type or hand aspirating type, and measuring gas in accordance with the requirements.

Category : Portable gas detector
Detection principle : Optical interferometric
Sampling method : Sample draw

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Portable Combustible Gas Detector
GP-1000

The Riken Keiki GP-1000 is a compact and lightweight gas detector with high sensitivity for the detection of hydrocarbons. The measurement is performed for this purpose by means of a catalytic sensor. The Riken Keiki GP-1000 has a built-in pump with pump booster function and a direct selection from a list of 25 hydrocarbons for exact alignment of the target gas - Only calibration on CH4 necessary.

Category : Portable gas detector
Type : Single gas
Target Gas:Combustible
Detection principle : Catalytic combustion
Detection range : 0-100%LEL
Sampling method : Sample draw

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Personal Single Gas Monitor
GP-03

The Riken Keiki GP-03 is a compact and lightweight gas detector with high sensitivity, robust waterproof design and intrinsically safety rating make the 03 series the ideal gas monitor for many hazardous applications.

Category : Portable gas detector
Type : Single gas
Target Gas:Combustible
Detection principle : Catalytic combustion
Detection range : 0-100%LEL (1%LEL)
Sampling method : Diffusion

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Portable single gas monitor
GX-8000 LEL

Building on and improving the very successful Riken Keiki RI-415/ RX-415, the Riken Keiki RX-8000 LEL is designed for measuring hydrocarbons and oxygen in inert or air atmospheres using Riken Keiki's proven IrDA sensor technology. Typically used for measuring gas concentration in tanks or piping during inserting/ purging applications, and tank maintenance work.

Category : Portable gas detector
Type : Single gas
Target Gas:Combustible
Detection principle : Catalytic combustion
Detection range : 0-100%LEL
Sampling method : Sample draw

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Riken Keiki TOXIC GAS DETECTOR (Portable)

Portable Gas Monitor
04 Series

The product is a portable gas monitor for personal use designed to detect gases in the surrounding atmosphere. It measures concentrations of toxic gases and oxygen in the atmosphere and issues an alarm when gas concentrations reach preset levels, thereby alerting users to the hazards of gas poisoning and oxygen deficiency.

Category : Portable gas Monitor
Type : Single gas / Multi Gas
Target Gas:O2/CO/H2S/SO2
Detection principle : Galvanic cell type(O2)/ Electrochemical type(other)
Sampling method : Diffusion

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Portable Gas Monitor
GW-3

The product is a portable gas monitor for personal use designed to detect gases in the surrounding atmosphere. It measures concentrations of toxic gases and oxygen in the atmosphere and issues an alarm when gas concentrations reach preset levels, thereby alerting users to the hazards of gas poisoning and oxygen deficiency.

Category : Portable gas Monitor
Type : Single gas / Multi Gas
Target Gas:O2/CO/H2S
Detection principle : Galvanic cell type(O2)/ Electrochemical type(other)
Sampling method : Diffusion

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Portable Gas Leak Checker
SP-220 series

The Riken Keiki SP-220 is a Portable Gas Leak Checker designed to simply check for Super Toxic, Combustible and Freon Gas leaks. The SP-220 is the replacement for the popular SP-205ASC. With 12 hours operation on 2 AA size Alkaline batteries and weighing in at only 215 grammes this instrument is ideal for Super Toxic, Combustible and Freon Gas Leaks.

Category : Portable
Type : Single gas
Target Gas:Depending on Type
Sampling method : Sample draw

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Optical Gas Indicator
FI-8000

The Riken Keiki FI-8000 optical gas indicator, user can select the pump suction type or hand aspirating type, and measuring gas in accordance with the requirements.

Category : Portable gas detector
Detection principle : Optical interferometric
Sampling method : Sample draw

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Formaldehyde Gas Detector
FP-31

The Riken Keiki FP-31 is a highly sensitive portable gas detector specific for formaldehyde detection. It uses a photoelectric photometry method which utilises colorimetric tablets for detection. A tablet in placed into the instrument, and then a room air sample is pumped onto the tablet for either a 15 minute or a 30 minute period

Category : Portable gas detector
Type : Single gas
Target Gas: Formaldehyde (HCHO)
Detection principle : Photoelectric photometry

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Personal Single Gas Monitor
HS-03

The Riken Keiki HS-03 personal single gas monitor is developed to protect users against Hydrogen Sulfide (H2S) gas types. The HS-03 has a gas- and trouble alarm detection, with a detection range of 0-100.0ppm (0.5ppm). Both will be displayed throughout flashing light, buzzer and vibration.

Category : Portable gas detector
Type : Single gas
Target Gas:Hydrogen Sulfide
Detection principle : Electrochemical
Detection range : 0-100.0ppm (0.5ppm)
Sampling method : Diffusion

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Personal Single Gas Monitor
CO-03

The Riken Keiki CO-03 personal single gas monitor is developed to protect users against carbon monoxide (CO) gas types. The CO-03 has a gas- and trouble alarm detection, with a detection range of 0-500ppm (1ppm). Both will be displayed throughout flashing light, buzzer and vibration.

Category : Portable gas detector
Type : Single gas
Target Gas:Carbon monoxide
Detection principle : Electrochemical
Detection range : 0-500ppm (1ppm)
Sampling method : Diffusion

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Portable Toxic Gas Monitor
SC-8000

The SC-8000 is a single toxic gas detector built for tough as well as demanding environments. It is durable and sets new standards for rugged, reliable as well as portable toxic gas detection. The monitor is robust, yet lightweight. It is a sample drawing monitor that is designed to be intrinsically safe. The Sc-8000 provides continuous exposure monitoring in safe or hazardous areas.

Category : Portable gas detector
Type : Single gas
Target Gas:Combustible
Detection principle : Electrochemical
Sampling method : Sample draw

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Single Toxic Gas Monitor
SC-01

The Riken Keiki SC-01 is a versatile single toxic gas monitor which automatically recognises any sensor change without any setup- or configuration changes. The calibration information also stays with each sensor. The SC-01’s large LCD display shows the gas reading, battery level, current time, and will automatically backlight in alarm conditions. Standard alarm types include vibration.

Category : Portable gas detector
Type : Single gas
Target Gas:Toxic
Detection principle : Electrochemical
Sampling method : Diffusion

Riken Keiki OXYGEN GAS DETECTOR (Portable)

Portable Gas Monitor
04 Series

The product is a portable gas monitor for personal use designed to detect gases in the surrounding atmosphere. It measures concentrations of toxic gases and oxygen in the atmosphere and issues an alarm when gas concentrations reach preset levels, thereby alerting users to the hazards of gas poisoning and oxygen deficiency.

Category : Portable gas Monitor
Type : Single gas / Multi Gas
Target Gas:O2/CO/H2S/SO2
Detection principle : Galvanic cell type(O2)/ Electrochemical type(other)
Sampling method : Diffusion

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Portable Gas Monitor
GW-3

The product is a portable gas monitor for personal use designed to detect gases in the surrounding atmosphere. It measures concentrations of toxic gases and oxygen in the atmosphere and issues an alarm when gas concentrations reach preset levels, thereby alerting users to the hazards of gas poisoning and oxygen deficiency.

Category : Portable gas Monitor
Type : Single gas / Multi Gas
Target Gas:O2/CO/H2S
Detection principle : Galvanic cell type(O2)/ Electrochemical type(other)
Sampling method : Diffusion

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Optical Gas Indicator
FI-8000

The Riken Keiki FI-8000 optical gas indicator, user can select the pump suction type or hand aspirating type, and measuring gas in accordance with the requirements.

Category : Portable gas detector
Detection principle : Optical interferometric
Sampling method : Sample draw

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Personal Single Gas Monitor
OX-03

The Riken Keiki OX-03 personal single gas monitor is a state of the art design by Riken Keiki, developed to protect users against Oxygen (O2) gas types. The OX-03 has a gas- and trouble alarm detection, with a detection range of 0-40.0% (0.1%). Both will be displayed throughout flashing light, buzzer, vibration.

Category : Portable gas detector
Type : Single gas
Target gas : Oxygen
Detection principle : Galvanic cell
Detection range : 0-40.0% (0.1%)
Sampling method : Diffusion

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Portable Single Gas Monitor
GX-8000 O2

The Riken Keiki GX-8000 sample drawing gas detector consolidates several of the older classic models, such as the GX-111, NP-237H, GX-7, GX-85N, OX-62B, OX-1, OX-415, OX-226, GP-226, etc… into one unified and improved specification. Its versatile design makes it simple to configure for 1-5 gases, and the sensor compartment makes servicing sensors and filters quick and straightforward.

Category : Portable gas detector
Type : Single gas
Target gas : Oxygen
Detection principle : Galvanic cell
Detection range : 0-40.0% (0.1%)
Sampling method : Sample draw

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Portable Oxygen Monitor
OX-07

The OX-07 Type C measures Oxygen in the range of 0-100% Volume. It also measures Nitrogen by measuring the lack of Oxygen in the nitrogen pipeline. It is designed to measure Oxygen Purity in Medical Gas Pipelines as well as Medical Oxygen Concentrators. The OX-07 connects to the pipeline or Concentrator via a simple adapter and tube. It is easy to use simply turn on perform an air cal then connect to the pipeline and measure. The Unit is robust and reliable and comes as standard with an impact resistant case. It is light weight. Regular bump testing is easy via a simple single push button Air Calibration.

Category : Portable gas detector
Type : Single gas
Target gas : Oxygen
Detection principle : Galvanic cell
Detection range : 0-40.0% (0.1%)
Sampling method : Sample draw

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Riken Keiki MULTI GAS DETECTOR

Portable Gas Monitor
GX-3R

The Riken Keiki GX-3R is the smallest and lightest 4 Gas Confined Space monitor available today. With a size of 58 cm wide, 65 cm high and weighing 100g, the Riken Keiki GX-3R can be defined as true craftsmanship. The Riken Keiki GX-3R is perfect for confined space work as its size means it does not interfere with work even if it is attached in the breathing zone.

Category : Portable gas detector
Type : Multi gas
Target gas : LEL/O2/CO/H2S
Detection range : 0~100%LEL(HC/CH4) / 0~40vol%(O2) / 0~2000ppm(CO) / 0~200ppm(H2S)
Sampling method : Diffusion

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Portable Gas Monitor
GX-3R Pro

The Riken Keiki GX-3R PRO is the smallest and lightest 5 Gas Space monitor available today. The Riken Keiki GX-3R pro is in comparison to the GX-3R capable of detecting five gas types separately. With a size of 73 cm wide, 65 cm high and weighing 140g, the Riken Keiki GX-3R PRO can be defined as true craftsmanship. The Riken Keiki GX-3R PRO is perfect for confined space work as its size means it does not interfere with work even if it is attached in the breathing zone.

Category : Portable gas detector
Type : Multi gas
Target gas : LEL/O2/CO/H2S
Detection range : 0~100 %LEL (HC/CH4) / 0~40 vol% (O2) / 0~2000 ppm (CO) / 0~200 ppm (H2S) / 0~2000 ppm (CO2) / 0~200 ppm (SO2)
Sampling method : Diffusion

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Portable Multi Gas Detector
GX-6000

The Riken Keiki GX-6000 is capable of simultaneously monitoring up to 6 gases. In addition to the standard 4 confined space gases which include combustibles, O2, CO, & H2S, the Riken Keiki GX-6000 has 2 additional smart channels that accept PID, IR or super toxic sensors.

Category : Portable gas detector
Type : Multi gas
Sampling method : Sample draw

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Portable HC/O2 Gas Detector
RX-8000

The Riken Keiki RX-8000 sets the new industry norm for rugged, reliable portable gas detection. The RX-8000 tough, waterproof design utilised features based on years of gas detection design experience, to assure that the instrument will operate properly to protect workers and property in all kinds of harsh gas detection applications. The Riken Keiki RX-8000 is an ideal multi-gas monitor for marine applications.

Category : Portable gas detector
Type : Multi gas
Sampling method : Sample draw

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Personal Four Gas Monitor
GX-2012

With the Riken Keiki GX-2012, you have multiple tools in one instrument. Having three operating modes, the Riken Keiki GX-2012 can be used for confined space, safety monitoring in its Normal Operating mode; for leak investigation in Leak Check mode; and for underground leak checking in Bar Hole mode. When equipped with an optional TC sensor, the GX-2012 can measure 100% volume methane and dynamically auto range from % LEL to % volume. This is ideal for line purge testing.

Category : Portable gas detector
Type : Multi gas
Sampling method : Sample draw

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Portable Multi Gas Monitor
GX-8000

The Riken Keiki GX-8000 sample drawing gas detector consolidates several of the older classic models, such as the GX-111, NP-237H, GX-7, GX-85N, OX-62B, OX-1, OX-415, OX-226, GP-226, etc… into one unified and improved specification. Its versatile design makes it simple to configure for 1-5 gases, and the sensor compartment makes servicing sensors and filters quick and straight forward.

Category : Portable gas detector
Type : Multi gas
Sampling method : Sample draw

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Four Gas Personal Monitor
GX-2009

The Riken Keiki GX-2009 four gas personal monitor. Weighing only 130 gram, it fits in the palm of your hand 75(W) x 70(H) x 25(D). It simultaneously monitors and displays combustibles, oxygen, carbon monoxide, and hydrogen sulphide. The Riken Keiki GX-2009 represents the latest evolution of gas detection technology.

Category : Portable gas detector
Type : Multi gas
Sampling method : Diffusion

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Marine Combination Gas Detector
RX-516

The Crude Oil Tanker model is a combination type portable HC, O2, and H2s gas detector with an Infrared (NDIR) type sensor, galvanic cell type sensor and Electro-chemical cell type sensor. These sensors provide accurate detection of HC, O2 and H2S levels even in N2 and other inert environments. The measuring ranges of model RX-516 are 0-100%LEL / 0-10%vol for HC, 0-25% vol for O2 and 0-100.0ppm for H2S respectively. A higher range for H2S (-1,000ppm) is available in model RX-517. A manual switch is used to change the flow to a unique path for high H2S applications to protect the other sensors. The RX-516 / RX-517 has an explosion proof and Intrinsically Safe design so that it can be used safely in any envrionment.

Category : Portable gas detector
Type : Multi gas
Sampling method : Sample draw

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Marine Combination Gas Detector
RX-517

The Crude Oil Tanker model is a combination type portable HC, O2, and H2s gas detector with an Infrared (NDIR) type sensor, galvanic cell type sensor and Electro-chemical cell type sensor. These sensors provide accurate detection of HC, O2 and H2S levels even in N2 and other inert environments. The measuring ranges of model RX-516 are 0-100%LEL / 0-10%vol for HC, 0-25% vol for O2 and 0-100.0ppm for H2S respectively. A higher range for H2S (-1,000ppm) is available in model RX-517. A manual switch is used to change the flow to a unique path for high H2S applications to protect the other sensors. The RX-516 / RX-517 has an explosion proof and Intrinsically Safe design so that it can be used safely in any envrionment.

Category : Portable gas detector
Type : Multi gas
Sampling method : Sample draw

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Marine Combination Gas Detector
RX-515

Gas detectors Riken Keiki RX-515 is a kind of combination of a portable detector CH4, O2, CO and CO2 gas with Infrared (NDIR) type sensor, galvanic cell type sensor and Electro-chemical cell type sensor. These sensors provide accurate detection of CH4, O2, CO and CO2 levels even in N2 and other inert environemnts. Measuring range 0-100% LEL / 0-100% vol for CH4, 0-25 vol% of O2, 0-1000ppm for CO and CO2 from 0 to 20.0% vol for each. RX-515 has an explosion proof and Intrinsically Safe design so it can be used safely in any environment.

Category : Portable gas detector
Type : Multi gas
Sampling method : Sample draw

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Portable CO/O2 Combination Gas Monitor
CX-II / CX-2

The Riken Keiki CX-II is a personal CO/O2 combination gas monitor designed for personal protection from carbon monoxide and oxygen deficiency in iron or steel mills and hazardous areas. Some of this advanced capabilities include distinctive audible, visual and vibration alarms for dangerous gas conditions and malfunctions, a large digital readout with a manual backlight

Category : Portable gas detector
Type : Multi gas
Sampling method : Diffusion

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Riken Keiki PURITY MONITOR & ANALYZER

SF6 Purity Monitor
FI-8000-SF6

The Riken Keiki FI-21-SF6 is a portable gas monitor to measure SF6 Purity levels. SF6 is the best known insulator gas, and it has the highest global warming potential of the 6 gases specified in the Kyoto Protocol. There are no practical replacements for this gas. Therefore it is very important to recycle SF6. In order to recycle it, the purity must be measured before re-use.

Category : Portable gas detector
Target gas : SF6 (AIR base)
Detection principle : Optical interferometric
Detection range : 0.0 to 99.9%up

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SF6 Gas Purity Analyzer
FI-21-SF6

The Riken Keiki FI-21-SF6 is the best instrument for measuring SF6 gas purity during recycling work. SF6 is the best known insulator gas, and it has the highest global warming potential of the 6 gases specified in the Kyoto Protocol. There are no practical replacements for this gas. Therefore it is very important to recycle SF6. In order to recycle it, the purity must be measured before re-use.

Category : Portable gas detector
Type : Single gas
Target gas : SF6
Detection principle : Optical interferometric
Detection range : 0-100%vol (0.1vol%/digit)
Sampling method : Sample draw

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