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Portable Gas Monitor Product List and Ranking from 7 Manufacturers, Suppliers and Companies | IPROS GMS

Last Updated： Aggregation Period:Feb 04, 2026～Mar 03, 2026
This ranking is based on the number of page views on our site.

Portable Gas Monitor Manufacturer, Suppliers and Company Rankings

Last Updated： Aggregation Period:Feb 04, 2026～Mar 03, 2026
This ranking is based on the number of page views on our site.

  1. 三協インタナショナル Tokyo//Trading company/Wholesale
  2. ソーキ Osaka//Service Industry
  3. レックス Hyogo//Testing, Analysis and Measurement
  4. 4 レックス 測定キューブ Hyogo//Testing, Analysis and Measurement
  5. 4 アズサイエンス 松本本社 Nagano//Trading company/Wholesale
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Portable Gas Monitor Product ranking

Last Updated： Aggregation Period:Feb 04, 2026～Mar 03, 2026
This ranking is based on the number of page views on our site.

  1. Portable Gas Monitor "BIOGAS5000" 三協インタナショナル
  2. Portable Gas Monitor "GA5000" 三協インタナショナル
  3. Portable Gas Monitor "GX-3R Type A" [Rental] ソーキ
  4. 4 Portable Gas Monitor "04 Series" OX-04G Battery Operated アズサイエンス 松本本社
  5. 4 Rental of Portable Gas Monitor GX-3R PRO レックス

Portable Gas Monitor Product List

1～21 item / All 21 items

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Portable Gas Monitor "GA5000"

Portable Gas Monitor "GA5000"

It is a landfill gas monitor from QED (Geotech). It is used for landfill gas monitoring, waste thermal conversion, and on-site investigations.

This is a handheld gas monitor that uses a built-in pump to draw in gas and measures the concentrations of five types of gases: CO2, CH4, O2, CO, and H2S. The concentrations of CO and H2S can be selected (at the time of order). Options for adding CO concentration H2 compensation, NH3 sensor, temperature probe, and flow sensor are available. It comes with a three-year warranty. For more details, please contact us or download the catalog.

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Portable Gas Monitor GX-8000 TYPE B Rental

Portable Gas Monitor GX-8000 TYPE B Rental

Flammable (LEL), O2, H2S, CO detectable and simultaneously displayed 4-component type.

The GX-8000 TYPE B is a portable gas monitor that can detect and simultaneously display four components: flammable gases (LEL), O2, H2S, and CO. It is ideal for preventing explosions, oxygen deficiency, and poisoning accidents at various work sites. It is compact, lightweight, and easy to carry, with hydrogen explosion-proof compliance: Exia II CT4X, and it has a protection rating equivalent to IP67, ensuring safety even in harsh environments. For more details, please contact us.

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Portable Gas Monitor GX-8300 TYPE A Rental

Portable Gas Monitor GX-8300 TYPE A Rental

High visibility on a large screen! A portable gas monitor with an explosion-proof structure, safe for hazardous areas.

The "GX-8300 TYPE A" is a portable gas monitor with a large display and backlight, making it easy to see in dark environments. It can detect methane, O2, hydrogen sulfide, and carbon monoxide. It has obtained intrinsic safety explosion-proof certification Exia2CT4X, allowing it to be safely used in environments with flammable gases such as hydrogen and acetylene. When an alarm is triggered, the lamp flashes, providing reassurance even in places where the alarm may be hard to hear. It helps prevent explosions, oxygen deficiency, and poisoning accidents at various work sites. 【Features】 ■ Obtained intrinsic safety explosion-proof structure Exia2CT4X ■ Protection rating equivalent to IP67 ■ High visibility with backlit display ■ Improved visibility during alarms *For more details, please contact us or download the catalog.

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Portable Gas Monitor GX-8300

Portable Gas Monitor GX-8300

The GX-8300 is a portable gas monitor that is ideal for safety management with its large screen display.

Equipped with 21 alarm lamps, it enhances visibility during alarms. With a protection rating equivalent to IP67, it is reliable even in harsh environments, making it an ideal gas monitor for work sites. Its intrinsically safe explosion-proof structure allows for detection even in specially hazardous areas under hydrogen and acetylene atmospheres. *Please select one gas type from Type-A1/A2/B1/B2/C1/C2/D1/D2/E/G1/G2.

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Portable Gas Monitor 'CO-04BT(C-)/CX-04BT'

Portable Gas Monitor 'CO-04BT(C-)/CX-04BT'

Peace of mind with Bluetooth connectivity! Usable in a wide temperature range (-40 to +60℃).

The "CO-04BT(C-)/CX-04BT" is a portable gas monitor that can communicate with smartphones and tablets using Bluetooth. It has a protection rating equivalent to IP66/67, ensuring a dustproof and waterproof structure suitable for outdoor work. It can be used in a wide temperature range (-40 to +60°C). Additionally, it excels in durability and performance, offers a 3-year sensor warranty, and can be equipped with a heat-resistant case, making it safe for use in the steel and iron market. 【Features】 ■ Equipped with Bluetooth ■ Performance improvement with newly developed R sensor ■ Safe design for use anywhere ■ Power supply options available with rechargeable batteries or dry batteries *For more details, please refer to the PDF document or feel free to contact us.

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Portable Gas Monitor "GX-3R Pro"

Portable Gas Monitor "GX-3R Pro"

Introducing a portable gas monitor equipped with Bluetooth! It is multifunctional and high-performance.

The "GX-3R Pro" is a Bluetooth-enabled portable gas monitor. It features sensors for combustible gases, oxygen, carbon monoxide, hydrogen sulfide, as well as carbon dioxide, nitrogen dioxide, and sulfur dioxide, which can be selected according to your needs. Additionally, it is equipped with a high-performance new R sensor that significantly improves the performance of conventional sensors, and the sensors come with a three-year warranty for your peace of mind. 【Features】 ■ Bluetooth compatible ■ Can detect 5 components (4 components + 1 additional component) ■ Can use both rechargeable and dry batteries ■ Supports display in 11 different languages ■ Easy-to-read full dot display ■ Equipped with a new R sensor with excellent long-term stability *For more details, please refer to the PDF document or feel free to contact us.

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Portable Gas Monitor "GX-8000"

Portable Gas Monitor "GX-8000"

A large screen with a backlight for easy visibility! Packed with features for safe and reliable work.

The "GX-8000" is a portable gas monitor capable of simultaneously detecting five components, featuring an explosion-proof and rugged structure. It is compact and lightweight, making it easy to carry. Using a dedicated waist belt (optional) significantly enhances wearability and stability during work. Packed with features for safe and reliable operation, it can be used in various fieldwork applications, including ships, civil engineering, tunnels, and electrical installations, to prevent explosions, oxygen deficiency, and poisoning accidents. 【Features】 ■ Compact and lightweight, easy to carry ■ Powerful suction with a high-flow pump ■ Large display with backlight for easy visibility ■ High-brightness lamp for visibility and a loud buzzer for clear sound ■ Simultaneous concentration display of digital numbers and analog bar meter *For more details, please refer to the PDF document or feel free to contact us.

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Portable Gas Monitor "RX-8000"

Portable Gas Monitor "RX-8000"

Measurement in zero hazardous locations is also possible! Flammable gases can be measured from low concentrations to high concentrations.

The "RX-8000" is a portable gas monitor capable of high-precision measurement of HC/CH4 even in inert gases and N2. It employs an infrared combustible gas sensor that is not affected by oxygen concentration during measurement. Furthermore, it has high selectivity and is hardly influenced by coexisting gases or water vapor. Additionally, we offer the "RX-8500," which can handle various operations on LNG ships with a single unit, and the "RX-8700," which can measure high concentrations of H2S. 【Features】 ■ Capable of measuring combustible gases (HC or CH4) from low to high concentrations ■ Equipped with an infrared sensor that maintains high precision even in inert gases and N2 ■ Intrinsically safe explosion-proof structure ■ Compliant with amendments to the SOLAS Convention *For more details, please refer to the PDF document or feel free to contact us.

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Portable Gas Monitor "04 Series" OX-04G Battery Operated

Portable Gas Monitor "04 Series" OX-04G Battery Operated

Equipped with a new type R sensor, it has evolved into a high-performance and highly durable product - featuring one of the longest continuous usage times in the world and a diverse lineup of sensors.

The RIKEN KEIKI Co., Ltd. Portable Gas Monitor "04 Series" OX-04G is a compact and lightweight gas monitor powered by dry batteries. It features a dustproof and waterproof design, making it safe for outdoor work. ■ Features - Long continuous usage time for single components - Power specifications: dry batteries and rechargeable batteries - Enhanced durability (7m drop test endurance) - Compact and lightweight design that does not interfere with work - Dustproof and waterproof structure for safe outdoor work (protection rating: IP66/67) - Intrinsically safe explosion-proof structure suitable for hazardous locations (domestic explosion-proof/ATEX/IECEx) *For more details, please download the PDF or contact us.

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Portable Gas Monitor "GX-3R Pro"

Portable Gas Monitor "GX-3R Pro"

You can connect with your smartphone using Bluetooth!

We offer the portable gas monitor 'GX-3R Pro,' which allows you to send emergency information such as gas alarms via email from a smartphone with a dedicated app installed. It is equipped with a new type R sensor that dramatically improves the performance of conventional sensors. The sensor warranty period is three years, so you can use it with peace of mind. It can be equipped with sensors for flammable gases, oxygen, hydrogen sulfide, carbon monoxide, as well as carbon dioxide or sulfur dioxide. 【Features】 ■ Bluetooth compatible ■ Capable of detecting 5 components ■ Can use both rechargeable and dry batteries ■ Supports display in 11 languages ■ Easy-to-read full dot display *For more details, please download the PDF or contact us.

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Portable Gas Monitor "BIOGAS5000"

Portable Gas Monitor "BIOGAS5000"

Enables continuous data collection for improved analysis and accurate reporting!

This is a biogas monitor from QED (Geotech). It is a handheld gas monitor that measures the concentration of biogas produced through anaerobic digestion (methane fermentation). It uses a built-in pump to draw in gas and measures the concentrations of four types of gases: CO2, CH4, O2, and H2S. H2S can be selected from 500 ppm, 5000 ppm, or 10000 ppm. It is used in farm digesters, wastewater treatment plants, and food processing factories. 【Features】 - No self-certification required for the anemometer - Easy to use and calibrate - User-configurable operation - Helps check that the digestion process is operating effectively For more details, please contact us or download the catalog.

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Rental of Portable Gas Monitor GX-3R PRO

Rental of Portable Gas Monitor GX-3R PRO

Measurement of 5 types of gases is possible! Integration with the cloud as well.

In an emergency, it is possible to send emails from the connected smartphone. With one device, you can measure five types of gases: methane, oxygen, hydrogen sulfide, carbon monoxide, and carbon dioxide. *For more details, please refer to the catalog available for download below under "PDF Download." You can also request a quote through "Contact Us." Feel free to reach out.

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Portable Gas Monitor GX-2012

Portable Gas Monitor GX-2012

GX-2012 is a portable gas monitor that can simultaneously display the concentrations of four gases on a large LCD screen.

This is the first portable gas monitor in the country that supports a hydrogen sulfide alarm setting value of 1 ppm (in accordance with ACGIH TWA 1 ppm). Please select the type of gas from combustible gases, oxygen, hydrogen sulfide, and carbon monoxide.

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Portable Gas Monitor "04 Series"

Portable Gas Monitor "04 Series"

Equipped with a new type R sensor, it has evolved into a high-performance and highly durable portable gas monitor for single-component and two-component use with long continuous operation time!

The "04 Series" is a portable gas monitor equipped with a new high-performance, high-durability R sensor. Even if it is accidentally dropped during high-altitude work, the risk of malfunction is low, allowing for safe use. Additionally, models like the "OX-04G," "CO-04," and "HS-04" achieve a long continuous usage time of 9000 hours, and we offer a lineup of sensors with some of the longest continuous usage times in the world, including "OX-04" and "CO-04(C-)." 【Features】 ■ Passes 7m drop durability test ■ Equipped with a high-performance, high-durability new R sensor ■ Safe design for use anywhere ■ Power supply options available with rechargeable batteries or dry batteries *For more details, please refer to the PDF document or feel free to contact us.

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Portable Gas Monitor "GW-3"

Portable Gas Monitor "GW-3"

Compact and lightweight design of only 45g! With intrinsic safety explosion-proof structure, it can be used in hazardous locations.

The "GW-3" is a portable gas monitor designed to be worn directly, featuring a compact and lightweight design. It has an intrinsically safe explosion-proof structure (domestic explosion-proof/ATEX/IECEx), making it suitable for use in hazardous locations. The protection rating is equivalent to IP66/68 (2m, 1h), providing a dustproof and waterproof structure that is safe for outdoor work. Additionally, the gases that can be detected include oxygen (using a potentiostatic electrochemical method) with the "GW-3(OX)", as well as a rich lineup including "GW-3(O2)" and "GW-3(HS)". 【Features】 ■ Compact and lightweight design at just 45g ■ Alerts for gas detection through a buzzer, lamp, and vibration ■ Equipped with a new high-functionality and high-durability R sensor ■ Safe design for use anywhere *For more details, please refer to the PDF document or feel free to contact us.

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Portable Gas Monitor 'GX-3R'

Portable Gas Monitor 'GX-3R'

Weighing only about 100g! A portable gas monitor that performs well in various environments.

The "GX-3R" is a portable gas monitor with a compact design that does not interfere with work. It features a robust design that can withstand a 7-meter drop test, ensuring safety during high-altitude work. The newly developed CO sensor reduces the interference effects of hydrogen. Equipped with various functions for safety, it is effective in various settings, including construction sites, gas plants, and steelworks. 【Features】 ■ Compact design that does not interfere with work ■ Equipped with a high-performance new R sensor ■ Robust design that can withstand a 7-meter drop test ■ Safety checks before entering pits are possible using a suction unit ■ Newly developed CO sensor reduces the interference effects of hydrogen *For more details, please refer to the PDF materials or feel free to contact us.

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[Labor Accident Case] Death due to oxygen deficiency during hatch opening work in the hold.

[Labor Accident Case] Death due to oxygen deficiency during hatch opening work in the hold.

A case of oxygen deficiency occurring during the opening operations of hatches and other areas after the completion of wood fumigation in the ship's hold.

On the day before, gas concentration measurements were conducted in the cargo hold where fumigation had taken place, under the supervision of a quarantine officer. As a result, the effectiveness of the fumigation was confirmed, and the opening work for the hatches of each cargo hold began. Since the victim had not returned, a search was conducted, and it was discovered that there was a hatch on the deck that was left open. Looking down from there, the victim was found lying on their back with a gas mask on. Although gas measurements were taken, oxygen concentration measurements were not conducted, leading to a state of asphyxiation, resulting in death due to oxygen deficiency. [Recommendation] ■ For safety confirmation, it is recommended to use a portable gas monitor capable of detecting multiple gases with one device. *For more details, please refer to the PDF document or feel free to contact us.

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ポータブルガスモニター『GX-8000』【レンタル】

ポータブルガスモニター『GX-8000』【レンタル】

可燃性ガス（メタン）、硫化水素、一酸化炭素、酸素の濃度を測定表示し、 警報設定時になればブザーを鳴らして知らせてくれます。

■　保護等級は、屋外作業に安心のIP67相当 ■　三方向警報ランプ・二方向ブザーで携帯者と周囲に危険をお知らせ ■　警報はブザー音量95dB以上で騒々しい場所でも聞き逃しなし ■　4成分のガス濃度を大型液晶画面で同時表示 ■　時計表示やデータロガ機能も搭載 ■　小型・軽量、楽々持ち運び ■　大流量ポンプによる強力吸引

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Portable Gas Monitor "GX-3R Type A" [Rental]

Portable Gas Monitor "GX-3R Type A" [Rental]

This is a hazardous gas detector that measures and displays the concentrations of combustible gases, hydrogen sulfide, carbon monoxide, and oxygen, and sounds an alarm when the set thresholds are exceeded.

This is a hazardous gas detector that measures and displays the concentrations of flammable gases, hydrogen sulfide, carbon monoxide, and oxygen, with a mass of only 100g, making it the smallest in the world. It also sounds a buzzer to alert users when alarm settings are triggered. 【Features】 ■ Intrinsically safe explosion-proof structure (Exia2 CT4XGa) ■ Protection grade equivalent to IP67, ensuring safety for outdoor work ■ Three-directional alarm lamp and two-directional buzzer to alert the user and those nearby of danger ■ Alarm sound volume of approximately 95dB, ensuring it can be heard even in noisy environments ■ Simultaneous display of gas concentrations for four components on a large LCD screen ■ Flammable gas reading conversion function / No complicated conversions needed / Direct reading of concentrations for 26 types of flammable gases * Settings are retained even after power ON/OFF ■ Possible to change alarm point settings / Settings can be changed through the operation of the GX-3R main unit ■ Lunch break function / Holds TWA and peak values, allowing cumulative measurement regardless of power ON/OFF ■ Confirmation beep function / Alerts that the detector is functioning normally, with the buzzer sounding at set intervals during measurement ■ Calibration notification function / Displays the number of days until the recommended inspection date after power is turned on, preventing missed inspections and allowing for safer use ■ Also equipped with clock display, data logging function, and temperature display

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