Multi Gas Detectors
Multi-gas detectors are portable and designed to monitor several gases at the same time. Unlike single gas detectors, which focus on one specific threat, multi-gas detectors are typically configured to detect a combination of oxygen (O₂), flammable gases (LEL), carbon monoxide (CO), hydrogen sulphide (H₂S), and, in some cases, additional toxic gases depending on the application.
At Rockall Safety, we supply a wide range of multi-gas detectors from some of the most respected manufacturers in the industry, including Honeywell, Drager, Crowcon, MSA, Industrial Scientific, and Blackline Safety.
Multi-gas detectors are most commonly used in high risk industries such as oil and gas, utilities, wastewater treatment, chemical processing, construction, confined space entry, and marine environments. In these settings, workers may be exposed to a range of atmospheric hazards at the same time. For example, confined spaces can present oxygen deficiency, toxic gases, and flammable vapours all at once.
These devices are typically worn within the breathing zone and are designed to be robust, reliable, and easy to operate in demanding environments.
With over 20 years of experience in gas detection, Rockall Safety has built a reputation as one of the largest distributors in the UK.
For more information, please call our expert 02920 759 683 or visit our contact page.
Multi Gas Detectors
Multi-gas detectors are portable and designed to monitor several gases at the same time. Unlike single gas detectors, which focus on one specific threat, multi-gas detectors are typically configured to detect a combination of oxygen (O₂), flammable gases (LEL), carbon monoxide (CO), hydrogen sulphide (H₂S), and, in some cases, additional toxic gases depending on the application.
At Rockall Safety, we supply a wide range of multi-gas detectors from some of the most respected manufacturers in the industry, including Honeywell, Drager, Crowcon, MSA, Industrial Scientific, and Blackline Safety.
Multi-gas detectors are most commonly used in high risk industries such as oil and gas, utilities, wastewater treatment, chemical processing, construction, confined space entry, and marine environments. In these settings, workers may be exposed to a range of atmospheric hazards at the same time. For example, confined spaces can present oxygen deficiency, toxic gases, and flammable vapours all at once.
These devices are typically worn within the breathing zone and are designed to be robust, reliable, and easy to operate in demanding environments.
With over 20 years of experience in gas detection, Rockall Safety has built a reputation as one of the largest distributors in the UK.
For more information, please call our expert 02920 759 683 or visit our contact page.
- NEW
SKU: PENDING_FLEX5
Honeywell Flex 5 Multi-Gas Detector
- Gas Detection Class Multi Gas, Portable
- ATEX ATEX
- Gas Type Nitrogen Dioxide - NO2, Phosgene - COCl2, Hydrogen Cyanide - HCN, Ammonia - NH3, Nitric Oxide - NO, VOCs, Carbon Dioxide - CO2, Oxygen - O2, Carbon Monoxide - CO, Ozone - O3, Chlorine - Cl2, Phosphine - PH3, Chlorine Dioxide - ClO2, Sulfur Dioxide - SO2, Ethylene Oxide - C2H4O, Hydrocarbon gases & vapours, Flammable - LEL, Hydrogen - H, Hydrogen Fluoride - HF, Hydrogen Sulfide - H2S, Hydrogen Chlorine (HCI)
- Response Time Varied
- Brand BW Technologies, Honeywell
View product - FROM £365 SPECIAL OFFER
SKU: MCX3-XXXX-Y-XX
BW MicroClip X3 Multi-Gas Detector
- Gas Detection Class Multi Gas, Portable
- ATEX ATEX
- Gas Type Carbon Monoxide - CO, Flammable - LEL, Hydrogen Sulfide - H2S, Oxygen - O2
- Response Time Varied
- Battery Run Time 12-18 hours
- Brand BW Technologies, Honeywell
- Part Numbers MCX3-XWHM-Y-UK - BW MicroClip X3 %LEL(F) O2 H2S CO (Filtered), MCX3-XUHM-Y-UK - BW MicroClip X3 %LEL(U) O2 H2S CO (Non-filtered)
View product - BEST SELLER
SKU: MCXL-XXXX-Y-XX
BW MicroClip XL Multi-Gas Detector
- Gas Detection Class Multi Gas, Portable
- ATEX ATEX
- Gas Type Carbon Monoxide - CO, Flammable - LEL, Hydrogen Sulfide - H2S, Oxygen - O2
- Response Time Varied
- Battery Run Time 18 hours
- Brand BW Technologies, Honeywell
- Part Numbers MCXL-XWHM-Y-UK - BW MicroClip XL %LEL(F) O2 H2S CO (Filtered), MCXL-XUHM-Y-UK - BW MicroClip XL %LEL(U) O₂ H₂S CO (Non-filtered)
View product - BEST SELLER
SKU: CPD-W5X1H1M1-Y-00
BW Flex 4 Multi-Gas Detector
- Gas Detection Class Multi Gas, Portable
- ATEX ATEX
- Gas Type Sulfur Dioxide - SO2, Carbon Dioxide - CO2, Carbon Monoxide - CO, Chlorine - Cl2, Flammable - LEL, Hydrogen Cyanide, Hydrogen Sulfide - H2S, Nitrogen Dioxide - NO2, Oxygen - O2
- Response Time Varied
- Brand BW Technologies, Honeywell
- Part Numbers CPD-W6X1H1M1-Y-00 - BW Flex4 %LEL (Filtered Catalytic) O2, H2S, CO, CPD-W5X1H1M1-Y-00 - BW Flex4 %LEL (IR) O2, H2S, CO, CPD-W6X1H1M3-Y-00 - BW Flex4 %LEL (Filtered Catalytic) O2, H2S, CO-H, CPD-W6X1JGVN3-Y-00 - BW Flex4 %LEL (Filtered Catalytic) O2, COSH, NO, CPD-W6X1JGVB1-Y-00 - BW Flex4 %LEL (Filtered Catalytic) O2, COSH, CO2
View product - BEST SELLER
SKU: G8-MULTI-GAS
Blackline G8 Multi-Gas Pumped Detector
- Gas Detection Class Multi Gas, Portable
- ATEX ATEX
- Gas Type Nitrogen Dioxide - NO2, Ammonia - NH3, Oxygen - O2, Carbon Dioxide - CO2, Ozone - O3, Carbon Monoxide - CO, Sulfur Dioxide - SO2, Chlorine - Cl2, Chlorine Dioxide - ClO2, PID, Flammable - LEL, VOCs, Hydrogen - H, Hydrogen Cyanide, Hydrogen Fluoride - HF, Hydrogen Sulfide - H2S
- Response Time Varied
- Battery Run Time 18 hours
- Brand Blackline Safety
View product - BEST SELLER
SKU: T4-HOCA
Crowcon T4 Multi-Gas Detector
- Gas Detection Class Multi Gas, Portable
- ATEX ATEX
- Gas Type Carbon Monoxide - CO, Flammable - LEL, Hydrogen Sulfide - H2S, Oxygen - O2
- Response Time Varied
- Battery Run Time 18 hours
- Data Logging 130 hours
- Brand Crowcon
View product SKU: DCNZDGB-OAOA
Crowcon DUOIQ Dual Gas Detector
- Gas Detection Class Multi Gas, Portable
- ATEX PENDING
- Gas Type Hydrogen - H, Hydrogen Sulfide - H2S, Methane - CH4, Nitrogen Dioxide - NO2, Oxygen - O2, Ozone - O3, Ammonia - NH3, Butane - C4H10, Carbon Monoxide - CO, Sulphur Dioxide, Chlorine - Cl2
- Response Time <10s
- Battery Run Time Varied
- Data Logging Up to 500 Event Logs
- Brand Crowcon
View productSKU: Gas-Pro TK
Crowcon Gas-Pro TK Multi-Gas Detector
- Gas Detection Class Multi Gas, Portable
- ATEX ATEX
- Gas Type Methane - CH4, Oxygen - O2, Propane - C3H8, Butane - C4H10, Carbon Monoxide - CO, Hydrogen Cyanide, Hydrogen Sulfide - H2S
- Response Time Varied
- Battery Run Time 13 hour typical runtime (4 sensors, pump running)
- Data Logging 125h data @ 10s intervals
- Brand Crowcon
View productSKU: J-G7C-Q-HIOR-EU2-2Y
Blackline G7 Multi-Gas Detector (No Pump)
- Gas Detection Class Multi Gas, Portable
- ATEX ATEX
- Gas Type Hydrogen Sulfide - H2S, Nitrogen Dioxide - NO2, Oxygen - O2, Ammonia - NH3, Ozone - O3, Carbon Dioxide - CO2, Sulfur Dioxide - SO2, Carbon Monoxide - CO, Chlorine - Cl2, Chlorine Dioxide - ClO2, VOCs, Flammable - LEL, Hydrogen Cyanide, Hydrogen Fluoride - HF
- Response Time Varied
- Battery Run Time 18 hours under normal usage
- Brand Blackline Safety
View productSKU: T4-HICS
Crowcon T4x Multi-Gas Detector
- Gas Detection Class Multi Gas, Portable
- ATEX ATEX
- Gas Type Carbon Monoxide - CO, Hydrogen Sulfide - H2S, Oxygen - O2, Flammable (MPS)
- Battery Run Time 18 hours
- Brand Crowcon
View productSKU: HU-X1W1H1M1XX-B-E
BW Ultra 5 Multi-Gas Detector
- Gas Detection Class Multi Gas, Portable
- ATEX ATEX
- Gas Type Hydrogen Sulfide - H2S, Nitrogen Dioxide - NO2, Oxygen - O2, Sulfur Dioxide - SO2, Carbon Dioxide - CO2, Carbon Monoxide - CO, Chlorine - Cl2, Flammable - LEL, VOCs, Hydrogen Cyanide
- Response Time Varied
- Battery Run Time 14-18 hours
- Brand BW Technologies, Honeywell
- Part Numbers HU‑X1W1H1M1Q1‑Y‑E - Honeywell BW™ Ultra 5-gas detector (O₂, LEL, H₂S, CO, VOCs), HU‑X1W1H1M1B1‑Y‑E - Honeywell BW™ Ultra 5-gas detector (O₂, LEL, H₂S, CO, CO₂ IR), HU‑X1W1H1M1S1‑Y‑E - Honeywell BW™ Ultra 5-gas detector (O₂, LEL, H₂S, CO, SO₂), HU‑X1W1H1M1A1‑Y‑E - Honeywell BW™ Ultra 5-gas detector (O₂, LEL, H₂S, CO, NH₃), HU‑X1W1H1M1C1‑Y‑E - Honeywell BW™ Ultra 5-gas detector (O₂, LEL, H₂S, CO, Cl₂)
View productSKU: 3703919
Dräger X-am 2800 Multi-Gas Detector + Power Set
- Gas Detection Class Multi Gas
- ATEX ATEX
- Gas Type Flammable - LEL, Hydrogen Sulfide - H2S, Nitrogen Dioxide - NO2, Oxygen - O2, Sulfur Dioxide - SO2, Carbon Monoxide - CO
- Response Time Varied
- Battery Run Time Typically 100 hours with Ex-sensor
- Data Logging Large storage capacity
- Brand Dräger
- Part Numbers 3703919 - Drager X-am 2800 Ex, O2, CO, H2S & Power
View productSKU: G7-MULTI-GAS
Blackline G7 Multi-Gas Pumped Detector
- Gas Detection Class Multi Gas, Portable
- ATEX ATEX
- Gas Type Nitrogen Dioxide - NO2, Oxygen - O2, Ammonia - NH3, Ozone - O3, Carbon Dioxide - CO2, Sulfur Dioxide - SO2, Carbon Monoxide - CO, Chlorine - Cl2, Chlorine Dioxide - ClO2, VOCs, Flammable - LEL, Hydrogen Cyanide, Hydrogen Fluoride - HF, Hydrogen Sulfide - H2S
- Response Time Varied
- Battery Run Time 18 hours
- Brand Blackline Safety
View productSKU: G8-MULTI-GAS-NP
Blackline G8 Multi-Gas Detector (No Pump)
- Gas Detection Class Multi Gas, Portable
- ATEX ATEX
- Gas Type Oxygen - O2, Carbon Dioxide - CO2, Ozone - O3, Carbon Monoxide - CO, Sulfur Dioxide - SO2, Chlorine - Cl2, Chlorine Dioxide - ClO2, PID, Flammable - LEL, VOCs, Hydrogen - H, Hydrogen Cyanide, Hydrogen Fluoride - HF, Hydrogen Sulfide - H2S, Nitrogen Dioxide - NO2, Ammonia - NH3
- Response Time Varied
- Battery Run Time 18 hours
- Brand Blackline Safety
View productSKU: XT-XWHM-Y-UK
BW GasAlert Max XT II Multi-Gas Detector
- Gas Detection Class Multi Gas, Portable
- ATEX ATEX
- Gas Type Hydrogen Sulfide - H2S, Oxygen - O2, Carbon Monoxide - CO, Flammable - LEL
- Response Time Varied
- Brand BW Technologies, Honeywell
View productSKU: 3735430
Dräger X-am 2600 Multi-Gas Detector
- Gas Detection Class Multi Gas, Portable
- ATEX ATEX
- Gas Type Carbon Monoxide - CO, Flammable - LEL, Hydrogen Sulfide - H2S, Methane - CH4, Oxygen - O2
- Response Time Varied
- Data Logging Application of an optimised data compression method with high accuracy and large storage capacity.
- Brand Dräger
View product
FAQs
A multi gas detector monitors multiple hazardous gases simultaneously, such as oxygen (O₂), carbon monoxide (CO), hydrogen sulfide (H₂S), and combustible gases. It uses sensors to detect dangerous gas levels.
Multi-gas detectors typically monitor oxygen, flammable gases like methane or propane, and toxic gases such as carbon monoxide, hydrogen sulfide, and nitrogen dioxide. Some detectors can be customised with additional sensors for specific gases.
Multi gas detectors are ideal for when multiple gas hazards are present. They provide protection for workers exposed to several gases at once.
Consider the types of gases present, the number of gases to monitor, environmental conditions (temperature, humidity, hazardous areas), alarm features and data logging capabilities. Get in contact with the team today, we are here to help.
A bump test should be performed before each shift to ensure the sensors respond correctly. Full calibration is recommended every 6-12 months. Get in contact with Rockall Safety for more information.
Multi gas detectors are used in confined space entry, as they monitor oxygen levels and toxic gases simultaneously, helping to prevent accidents.