Gas Detection
Rockall Safety provide a range of gas detection equipment. From portable and fixed gas detectors to flame detection systems and area monitors, the products we offer are designed for reliability, accuracy, and durability across a wide variety of industries.
We stock a wide selection of Honeywell, Dräger, MSA and Crowcon including single gas detectors and multi gas detectors. As the largest seller of Honeywell portable gas detectors in the UK, Rockall Safety offers expert advice, competitive pricing, and support to ensure you have the right device for your site.
Fixed Gas Detectors provide continuous monitoring to protect a certain area within a facility. Fixed Gas Detectors can detect a range of combustible and toxic gases. We also supply Flame Detectors that identify the presence of fire hazards with rapid response times.
Area Monitors offer a flexible solutions for monitoring larger spaces, such as warehouses, factories, or chemical plants. These devices continuously measure gas concentrations across a defined area.
To support all gas detection devices, Rockall Safety provides Gas Bottles, Gas Detection Tubes, and Spares & Accessories. From calibration gases to replacement sensors and docking stations. We work closely with industry leading brands including Dräger, Honeywell, MSA, Teledyne, and Crowcon, ensuring access to the latest technologies and high quality equipment. We have a large team of specialists that can help you select the most appropriate solutions for your site, whether you are upgrading existing systems or equipping a new facility.
For more information about our gas detection products, or to discuss your site requirements, contact Rockall Safety today. Call us on 02920 759 683 or email [email protected] to speak with one of our experts.
Gas Detection
Rockall Safety provide a range of gas detection equipment. From portable and fixed gas detectors to flame detection systems and area monitors, the products we offer are designed for reliability, accuracy, and durability across a wide variety of industries.
We stock a wide selection of Honeywell, Dräger, MSA and Crowcon including single gas detectors and multi gas detectors. As the largest seller of Honeywell portable gas detectors in the UK, Rockall Safety offers expert advice, competitive pricing, and support to ensure you have the right device for your site.
Fixed Gas Detectors provide continuous monitoring to protect a certain area within a facility. Fixed Gas Detectors can detect a range of combustible and toxic gases. We also supply Flame Detectors that identify the presence of fire hazards with rapid response times.
Area Monitors offer a flexible solutions for monitoring larger spaces, such as warehouses, factories, or chemical plants. These devices continuously measure gas concentrations across a defined area.
To support all gas detection devices, Rockall Safety provides Gas Bottles, Gas Detection Tubes, and Spares & Accessories. From calibration gases to replacement sensors and docking stations. We work closely with industry leading brands including Dräger, Honeywell, MSA, Teledyne, and Crowcon, ensuring access to the latest technologies and high quality equipment. We have a large team of specialists that can help you select the most appropriate solutions for your site, whether you are upgrading existing systems or equipping a new facility.
For more information about our gas detection products, or to discuss your site requirements, contact Rockall Safety today. Call us on 02920 759 683 or email [email protected] to speak with one of our experts.
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Portable Gas Detectors
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Fixed Gas Detectors
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Flame Detectors
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Area Monitors
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Gas Bottles
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Gas Detection Tubes
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Gas Detection Spares & Accessories
SKU: G1-NO2-5-A-60
Crowcon 60L 5ppm Nitrogen Dioxide in Air Gas Bottle
- Product Type Calibration Gas
- Gas Type Nitrogen Dioxide - NO2
View productSKU: G1-PH3-5-N-60
Crowcon 60L 5ppm Phosphine in Nitrogen Gas Bottle
- Product Type Calibration Gas
- Gas Type PH3 in N2
View productSKU: G4-QUAD-1-60
Crowcon 60L H2S 15ppm / CO 100ppm / 2.2% CH4 / O2 18% in N2 Gas Bottle
- Product Type Calibration Gas
- Gas Type Hydrogen Sulfide - H2S
View productSKU: S01298
Crowcon Bump Flow Plate Assembly (DetectiveIQ)
- Brand Crowcon
- Product Type Accessory
View productSKU: S01299
Crowcon Bump Plate Assembly (DetectiveIQ)
- Brand Crowcon
- Product Type Accessory
View productSKU: E01111
Crowcon DetectiveIQ Multi-Region Power Supply E01111
- Brand Crowcon
- Product Type Accessory
View productSKU: Unkn
Crowcon DetectiveIQ RS485 Communications Cable
- Brand Crowcon
- Product Type Accessory
View productSKU: AC0507
Crowcon GasPro Chest Harness Straps
- Brand Crowcon
- Product Type Accessory
View productSKU: KF-005
Crowcon Klick Fast Armband (KF-005)
- Brand Crowcon
- Product Type Accessory
View productSKU: KF-002
Crowcon Klick Fast Belt Dock Fits 50mm Belt Width (KF-002)
- Brand Crowcon
- Product Type Accessory
View productSKU: KF-004
Crowcon Klick Fast Click-on Dock (KF-004)
- Brand Crowcon
- Product Type Accessory
View productSKU: KF-006
Crowcon Klick Fast Harness (KF-006)
- Brand Crowcon
- Product Type Accessory
View productSKU: KF-003
Crowcon Klick Fast Screw Dock (KF-003)
- Brand Crowcon
- Product Type Accessory
View productSKU: KF-001
Crowcon Klick Fast Velcro Belt Loop KF-001
- Brand Crowcon
- Product Type Accessory
View productSKU: SMART 3G-C3
Crowcon SMART 3G-C3 Fixed Gas Detector
- Gas Detection Class Fixed
- ATEX ATEX
- Temperature -40 / +60°C
- Output 4-20 mA, 1 or 3 relay boards, RS485
- Brand Crowcon
- Part Numbers Crowcon Smart 3G-C4 - R404a, Infrared, 0-2000 ppm, Crowcon SMART 3G-C3 - Flammable gas, Infrared sensor, LPG 0-100% LEL, Crowcon Smart 3G-C3 - R454c, Infrared, 0-100% LEL, Crowcon Smart 3G-C4 - R407a, Infrared, 0-2000 ppm, Crowcon SMART 3G-C3 - Toxic gas, electrochemical sensor, Oxygen 0-25% Vol, Crowcon Smart 3G-C3 - R32, Infrared, 0-100% LEL, Crowcon SMART 3G-C3 - Flammable gas, catalytic sensor, Methane 0-100% LEL, Crowcon Smart 3G-C4 - R407f, Infrared, 0-2000 ppm, Crowcon SMART 3G-C3 - Toxic gas, electrochemical sensor, CO 0-500ppm, Crowcon Smart 3G-C3 - R1234yf, Infrared, 0-100% LEL, Crowcon SMART 3G-C3 - Flammable gas, catalytic sensor, LPG 0-100% LEL, Crowcon Smart 3G-C4 - R449, Infrared, 0-2000 ppm, Crowcon SMART 3G-C3 - Toxic gas, electrochemical sensor, Ethylene 0-200ppm, Crowcon Smart 3G-C3 - R1234ze, Infrared, 0-100% LEL, Crowcon SMART 3G-C3 - Flammable gas, catalytic sensor, Propane 0-100% LEL, Crowcon Smart 3G-C5 - R507a, Infrared, 0-2000 ppm, Crowcon SMART 3G-C3 - Toxic gas, electrochemical sensor, Ammonia 0-100ppm, Crowcon Smart 3G-C3 - R32, Infrared, 0-2000 ppm, Crowcon SMART 3G-C3 - Flammable gas, catalytic sensor, Butane 0-100% LEL, Crowcon Smart 3G-C4 - R410a, Infrared, 0-2000 ppm, Crowcon SMART 3G-C3 - Toxic gas, electrochemical sensor, H2S 0-50ppm, Crowcon Smart 3G-C1 - R134a, Infrared, 0-2000 ppm, Crowcon SMART 3G-C3 - Flammable gas, catalytic sensor, Petrol Vapours 0-100% LEL, Crowcon Smart 3G-C4 - R417a, Infrared, 0-2000 ppm, Crowcon SMART 3G-C3 - Toxic gas, electrochemical sensor, Nitric Oxide 0-100ppm, Crowcon Smart 3G-C6 - SF6, Infrared, 0-2000 ppm, Crowcon SMART 3G-C3 - Flammable gas, catalytic sensor, Hydrogen 0-100% LEL, Crowcon Smart 3G-C4 - R448, Infrared, 0-2000 ppm, Crowcon SMART 3G-C3 - Toxic gas, electrochemical sensor, Hydrogen 0-2000ppm, Crowcon Smart 3G-C1 - R125, Infrared, 0-2000 ppm, Crowcon SMART 3G-C3 - Flammable gas, Infrared sensor, Methane 0-100% LEL, Crowcon SMART 3G-C3 - Toxic gas, electrochemical sensor, Hydrogen 0-3000ppm, Crowcon Smart 3G-C1 - R1234yf, Infrared, 0-2000 ppm, Crowcon SMART 3G-C3 - Flammable gas, Infrared sensor, Propane 0-100% LEL, Crowcon Smart 3G-C1 - R1234ze, Infrared, 0-2000 ppm, Crowcon SMART 3G-C3 - Flammable gas, Infrared sensor, Butane 0-100% LEL, Crowcon Smart 3G-C3 - R454b, Infared, 0-100% LEL
View productSKU: SMART 3G-D2
Crowcon SMART 3G-D2 Fixed Gas Detector
- Gas Detection Class Fixed
- ATEX ATEX
- Temperature -40 / +60°C
- Gas Type Ethylene oxide - ETO, R32, Ethyl Acetate, R448, R404A, Acetylene - C2H2, Cyclohexane, R454B, Ammonia - NH3, SF6, Benzene - C6H6, Ethylene, R152A, Butane - C4H10, Butadiene, R407A, Carbon Monoxide - CO, Acetic Acid, R407F, Ethane - C2H6, R1234YF, R449A, Ethanol - C2H6O, Cyclopentane, R1234ZE, R507A, Heptane - C7H16, Dimethyl Ether, R125, R410A, Hydrogen - H, Ethyl Ether, R134A, R417A, Hydrogen Sulfide - H2S
- Output 4-20 mA, 1 or 3 relay boards, RS485
- Brand Crowcon
- Part Numbers SMART 3G-D2, Flammable Cat Sensor, LPG 0-100% LEL, SMART 3G-D2, Flammable Cat Sensor, Butane 0-100% LEL, SMART 3G-D2, Flammable Cat Sensor, Propane 0-100% LEL, SMART 3G-D2, Flammable Cat Sensor, Petrol Vapours 0-100% LEL, SMART 3G-D2, Flammable Cat Sensor, Acetone 0-100% LEL, SMART 3G-D2, Flammable Cat Sensor, Hydrogen 0-100% LEL, SMART 3G-D2, Flammable Cat Sensor, Methane 0-100% LEL
View product
FAQs
Gas detectors monitor and identify hazardous gases in the workplace, such as flammable, toxic, or oxygen-deficient atmospheres. It protects workers from injuries, explosions, and long term health issues.
Gas detectors can identify combustible gases (like methane), toxic gases (like hydrogen sulfide or carbon monoxide), and oxygen levels. PID detectors can also monitor volatile organic compounds (VOCs).
Portable detectors are wearable devices that monitor gas exposure in real time for individuals. Fixed gas detectors are installed in specific locations to monitor gas levels in a specific area.
Gas detectors use sensors to identify gas concentrations in the air. Common sensor types include electrochemical, catalytic bead, infrared (IR), and photoionisation detectors (PID).
Gas detectors should be bump tested before each use to ensure the sensors respond correctly, and a full calibration should be every 6 to 12 months. Check the full calibration intervals with Rockall Safety as all manufacturers are different.
Single gas detectors monitor one specific gas, ideal for focused protection. Multi gas detectors can measure several gases simultaneously, such as oxygen, carbon monoxide, hydrogen sulfide, and combustible gases.
Placement depends on the type of gas being monitored. For example, flammable gases often rise, so detectors are placed near the ceiling, while heavier gases are monitored closer to the floor. Watch this video for more information on fixed gas detection placement: Positioning fixed gas detectors
Accuracy can be influenced by sensor type, environmental conditions (temperature, humidity), exposure to contaminants, and lack of calibration. Regular maintenance and correct usage help ensure reliable readings.