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Gas Detection

At Discount Safety Gear, we offer cost-efficient and real-time gas monitoring systems for area monitoring, confined spaces, and general personal protection use. Whether you need a single-gas detection device or multi-gas detection, we have a variety of portable gas detection solutions to meet your needs.

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  • MSAALTAIR® 2XT, CO/NO2 Gas Detector
    Made in USA
    Made in USA

    MSAALTAIR® 2XT, CO/NO2 Gas Detector

    MSA
    $634.19
    $485.05
    Introducing the Altair 2X gas detector from MSA; the first one or two gas detector that incorporates industry-leading Xcell Sensor technology to deliver unparalleled performance while drastically minimizing total cost of ownership, increasing...
    Qty in Cart: 0
    Quantity:
    Price:
    $634.19
    $485.05
    Subtotal:
  • MSA Altair 2X Single-Gas Detector, Sulfur Dioxide (SO2)
    Made in USA
    Made in USA

    MSA Altair 2X Single-Gas Detector, Sulfur Dioxide (SO2)

    MSA
    $617.69
    $472.45
    Introducing the ALTAIR 2X gas detector from MSA Safety; the first single gas detector that incorporates industry-leading X-cell® sensor technology in order to deliver unparalleled performance while drastically minimizing total cost of ownership,...
    Qty in Cart: 0
    Quantity:
    Price:
    $617.69
    $472.45
    Subtotal:
  • MSA ALTAIR: Carbon Monoxide CO Single Gas Detector MSA ALTAIR: Carbon Monoxide CO Single Gas Detector
    Made in USA
    Made in USA

    MSA ALTAIR: Carbon Monoxide CO Single Gas Detector

    MSA
    $368.69
    $248.85
    MSA’s ALTAIR Single-Gas Detectors provide over two years of maintenance-free performance (depending upon alarm time used). These single-gas detectors are long-lasting, cost-effective, and offer outstanding dust and water protection while featuring a...
    Qty in Cart: 0
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    Price:
    $368.69
    $248.85
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  • MSA ALTAIR 4XR Multigas Detector (LEL, O2, H2S & CO) - Global Charger - 10178560
    Made in USA
    Made in USA

    MSA ALTAIR 4XR Multigas Detector (LEL, O2, H2S & CO) - Global Charger - 10178560

    MSA
    $976.49
    $746.95
    ALTAIR 4XR Multigas Detector (Model #10178560) with global charger and X-Cell® sensors for LEL, O2, H2S, & CO. In the Box (1) Charcoal Case (1) Global Charger (4) Sensors (LEL, O2, H2S & CO) (1) ALTAIR 4XR Multigas Detector ...
    Qty in Cart: 0
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    $976.49
    $746.95
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  • MSA ALTAIR Pump Probe with Charger - 10152669

    MSA ALTAIR Pump Probe with Charger - 10152669

    MSA
    $575.79
    $414.55
    The ALTAIR Pump Probe is a rugged sampling accessory for MSA gas detection instruments. Capable of drawing samples from up to 50ft (15m) away with standard sampling line, quickly convert diffusion instruments for use in remote sampling applications...
    Qty in Cart: 0
    Quantity:
    Price:
    $575.79
    $414.55
    Subtotal:
  • MSA ALTAIR Pro Single-Gas Detector - Carbon Monoxide (CO) - 10074135 - Expired MSA ALTAIR Pro Single-Gas Detector - Carbon Monoxide (CO) - 10074135 - Expired
    Made in USA
    Price Drop!
    Made in USA
    Price Drop!

    MSA ALTAIR Pro Single-Gas Detector - Carbon Monoxide (CO) - 10074135 - Expired

    MSA
    $624.99
    $261.55
    The MSA ALTAIR Pro 10074135 Single-Gas Detector is based on the industry-standard ALTAIR Single-Gas Detector but with added features and functionality ALTAIR Pro toxic gas and oxygen detectors combine reliable detection and LED/audible/flashing/vibrating...
    Qty in Cart: 0
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    Price:
    $624.99
    $261.55
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  • Replacement Sensors for MSA Altair Pro Single Gas Detectors
    Made in USA
    Price Drop!
    Made in USA
    Price Drop!

    Replacement Sensors for MSA Altair Pro Single Gas Detectors

    MSA
    $343.55 - $620.65
    Replacement sensors in CO, H2S, PH3, CL2, SO2, NO2, NH3, HCN. These replacement sensors are for the MSA Altair Pro & Single Gas Detectors only. Please choose your sensor from the list below. If no option is selected, you will receive a carbon monoxide...
    Qty in Cart: 0
    Price:
    $343.55 - $620.65
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  • MSA Altair 2XP XCell Pulse Technology - H2S- Gray
    Made in USA
    Made in USA

    MSA Altair 2XP XCell Pulse Technology - H2S- Gray

    MSA
    $577.49
    $415.75
    The Altair 2XP X-Cell Pulse Technology Gas Detector provides a bump test that is so easy to follow, anyone can do it, from anywhere! The science behind this first-of-its-kind technology will change the face of portable gas detection as we know it. By...
    Qty in Cart: 0
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    Price:
    $577.49
    $415.75
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  • MSA Altair 2XP XCell Pulse Technology- H2S- Glow
    Made in USA
    Made in USA

    MSA Altair 2XP XCell Pulse Technology- H2S- Glow

    MSA
    $594.99
    $428.35
    The Altair 2XP X-Cell Pulse Technology Gas Detector provides a bump test that is so easy to follow, anyone can do it, from anywhere! The science behind this first-of-its-kind technology will change the face of portable gas detection as we know it. By...
    Qty in Cart: 0
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    Price:
    $594.99
    $428.35
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  • MSA Altair 2X Glow-in-the-Dark Gas Detector, Carbon Monoxide (CO)
    Made in USA
    Made in USA

    MSA Altair 2X Glow-in-the-Dark Gas Detector, Carbon Monoxide (CO)

    MSA
    $524.99
    $377.95
    Introducing the ALTAIR 2X gas detector from MSA Safety; the first single gas detector that incorporates industry-leading X-cell® sensor technology in order to deliver unparalleled performance while drastically minimizing total cost of ownership,...
    Qty in Cart: 0
    Quantity:
    Price:
    $524.99
    $377.95
    Subtotal:
  • MSA Altair 2XT Two-Tox Gas Detector - CO-H2S - Gray
    Made in USA
    Made in USA

    MSA Altair 2XT Two-Tox Gas Detector - CO-H2S - Gray

    MSA
    $634.19
    $485.05
    Introducing the Altair 2XT gas detector from MSA; the first one or two gas detector that incorporates industry-leading XCell Sensor technology to deliver unparalleled performance while drastically minimizing total cost of ownership, increasing durability...
    Qty in Cart: 0
    Quantity:
    Price:
    $634.19
    $485.05
    Subtotal:
  • MSA ALTAIR 2XT CO/H2S (CO:25, 100; H2S: 10, 15) - Glow-In-The-Dark - 10154181 CLR
    Made in USA
    Price Drop!
    Made in USA
    Price Drop!

    MSA ALTAIR 2XT CO/H2S (CO:25, 100; H2S: 10, 15) - Glow-In-The-Dark - 10154181 CLR

    MSA
    $1,105.99
    $394.95
    Introducing the Altair 2XT gas detector from MSA; the first one or two gas detector that incorporates industry-leading XCell Sensor technology to deliver unparalleled performance while drastically minimizing total cost of ownership, increasing durability...
    Qty in Cart: 0
    Quantity:
    Price:
    $1,105.99
    $394.95
    Subtotal:
  • MSA ALTAIR 5X Sampling Probe - 10042621
    Made in USA
    Made in USA

    MSA ALTAIR 5X Sampling Probe - 10042621

    MSA
    $391.09
    $263.95
    The ALTAIR Pump Probe is a rugged sampling accessory for MSA gas detection instruments. Capable of drawing samples from up to 50ft (15m) away with standard sampling line, quickly convert diffusion instruments for use in remote sampling applications...
    Qty in Cart: 0
    Quantity:
    Price:
    $391.09
    $263.95
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  • MSA ALTAIR Single-Gas Detector - Alternate Setpoints: Carbon Monoxide CO (Low: 30ppm, High: 60ppm) - 10071334
    Made in USA
    Made in USA

    MSA ALTAIR Single-Gas Detector - Alternate Setpoints: Carbon Monoxide CO (Low: 30ppm, High: 60ppm) - 10071334

    MSA
    $368.69
    $248.85
    Designed for superior lifespan - patented sensors operate for over two years - and high performance, the ALTAIR Single-Gas Detector is the smart choice for market-leading, cost-effective gas monitors. Features sensor options for carbon monoxide, hydrogen...
    Qty in Cart: 0
    Quantity:
    Price:
    $368.69
    $248.85
    Subtotal:
  • MSA Gas Miser Demand Regulator Model RP - 10034391
    Made in USA
    Made in USA

    MSA Gas Miser Demand Regulator Model RP - 10034391

    MSA
    $643.19
    $492.05
    MSA Gas Miser Demand Regulator Model RP - 10034391
    Qty in Cart: 0
    Quantity:
    Price:
    $643.19
    $492.05
    Subtotal:
  • MSA ALTAIR 4X Multigas Detector (CH4, O2, CO) - 10125912
    Made in USA
    Made in USA

    MSA ALTAIR 4X Multigas Detector (CH4, O2, CO) - 10125912

    MSA
    $1,235.29
    $944.95
    MSA’s new ALTAIR 4X Mining Multigas Detector is driven by XCell Sensor Technology with ASIC design. Technology offers durability and performance for mining applications. Methane-optimized catalytic bead sensor provides increased stability over time...
    Qty in Cart: 0
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    Price:
    $1,235.29
    $944.95
    Subtotal:
  • MSA ALTAIR 5X Sampling Line w/ Quick Disconnect (Air-Line, 10' PU, Clear) - 10040665
    Made in USA
    Made in USA

    MSA ALTAIR 5X Sampling Line w/ Quick Disconnect (Air-Line, 10' PU, Clear) - 10040665

    MSA
    $214.99
    $135.45
    The ALTAIR Pump Probe is a rugged sampling accessory for MSA gas detection instruments. Capable of drawing samples from up to 50ft (15m) away with standard sampling line, quickly convert diffusion instruments for use in remote sampling applications...
    Qty in Cart: 0
    Quantity:
    Price:
    $214.99
    $135.45
    Subtotal:
  • MSA ALTAIR 4XR Multigas Detector (LEL, O2, H2S & CO) - Global Charger - 10178571
    Made in USA
    Made in USA

    MSA ALTAIR 4XR Multigas Detector (LEL, O2, H2S & CO) - Global Charger - 10178571

    MSA
    $976.49
    $746.95
    Outfitted with rapid-response MSA XCell sensors, the ALTAIR 4XR Gas Detector is the toughest 4-gas monitor on the market and is backed by a 4-year warranty.RuggedSurvives 25 drops from 4 feet (1.2 meters) (MIL-STD-810G 516.6 Transit Drop 3rd Party...
    Qty in Cart: 0
    Quantity:
    Price:
    $976.49
    $746.95
    Subtotal:
  • MSA Altair 2X Single-Gas Detector, Carbon Monoxide (CO) - 10153986
    Made in USA
    Made in USA

    MSA Altair 2X Single-Gas Detector, Carbon Monoxide (CO) - 10153986

    MSA
    $511.89
    $368.55
    Introducing the ALTAIR 2X gas detector from MSA Safety; the first single gas detector that incorporates industry-leading X-cell® sensor technology in order to deliver unparalleled performance while drastically minimizing total cost of ownership,...
    Qty in Cart: 0
    Quantity:
    Price:
    $511.89
    $368.55
    Subtotal:
  • MSA Replacement O2 Sensor Kit for ALTAIR4/5 - 10089163
    Made in USA
    Made in USA

    MSA Replacement O2 Sensor Kit for ALTAIR4/5 - 10089163

    MSA
    $423.99
    $305.25
    MSA Replacement O2 Sensor Kit for ALTAIR4/5 - 10089163
    Qty in Cart: 0
    Quantity:
    Price:
    $423.99
    $305.25
    Subtotal:
  • MSA ALTAIR 5X Multigas Detector Kit (LEL, O2, CO, H2S, SO2) 10' Line, 1' Probe - 10116927
    Made in USA
    Made in USA

    MSA ALTAIR 5X Multigas Detector Kit (LEL, O2, CO, H2S, SO2) 10' Line, 1' Probe - 10116927

    MSA
    $3,831.09
    $2,930.75
    MSA Altair 5X Gas Detector measures up to 6 gases including natural gas. Now available with a PID detector for VOC detection. Wireless management and set up.
    Qty in Cart: 0
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    Price:
    $3,831.09
    $2,930.75
    Subtotal:
  • MSA Gas Calibration Cylinder - 58 L RP, (CH4)-1.45%, (O2)-15%, (CO) 60 PPM, (H2S)-20 PPM, (SO2)-10 PPM - 10117738
    Made in USA
    Made in USA

    MSA Gas Calibration Cylinder - 58 L RP, (CH4)-1.45%, (O2)-15%, (CO) 60 PPM, (H2S)-20 PPM, (SO2)-10 PPM - 10117738

    MSA
    $545.19
    $392.45
    MSA offers a complete line of calibration gas cylinders to calibrate all instruments. The gas mixture in calibration gas cylinders is certified to be prepared gravimetrically, using NIST traceable weights. The lot number and nominal value of the gas...
    Qty in Cart: 0
    Quantity:
    Price:
    $545.19
    $392.45
    Subtotal:
  • MSA GALAXY GX2 Non-Electronic Cylinder Holder - 10125135
    Made in USA
    Made in USA

    MSA GALAXY GX2 Non-Electronic Cylinder Holder - 10125135

    MSA
    $386.39
    $260.85
    Simplicity counts with the MSA GALAXY GX2 Automated Test System for advanced safety management and effortless operation. The GALAXY GX2 Automated Test System provides simple, intelligent testing and calibration of ALTAIR 2X Single-Gas Detectors and...
    Qty in Cart: 0
    Quantity:
    Price:
    $386.39
    $260.85
    Subtotal:
  • MSA GALAXY GX2 Automated Test System (ALTAIR, ALTAIR/PRO/2X, 4 Valve) North American charger - 10128643
    Made in USA
    Made in USA

    MSA GALAXY GX2 Automated Test System (ALTAIR, ALTAIR/PRO/2X, 4 Valve) North American charger - 10128643

    MSA
    $3,171.49
    $2,426.15
    Simplicity counts with the MSA GALAXY GX2 Automated Test System for advanced safety management and effortless operation. The GALAXY GX2 Automated Test System provides simple, intelligent testing and calibration of ALTAIR 2X Single-Gas Detectors and...
    Qty in Cart: 0
    Quantity:
    Price:
    $3,171.49
    $2,426.15
    Subtotal:
  • MSA ALTAIR 4XR Multigas Detector (LEL, O2, & CO) - North American Charger - 10178566
    Made in USA
    Made in USA

    MSA ALTAIR 4XR Multigas Detector (LEL, O2, & CO) - North American Charger - 10178566

    MSA
    $976.49
    $746.95
    Outfitted with rapid-response MSA XCell sensors, the ALTAIR 4XR Gas Detector is the toughest 4-gas monitor on the market and is backed by a 4-year warranty.RuggedSurvives 25 drops from 4 feet (1.2 meters) (MIL-STD-810G 516.6 Transit Drop 3rd Party...
    Qty in Cart: 0
    Quantity:
    Price:
    $976.49
    $746.95
    Subtotal:
  • MSA ALTAIR 4XR Multigas Detector (LEL, O2, H2S-LC & CO) - North American Charger - 10178572
    Made in USA
    Made in USA

    MSA ALTAIR 4XR Multigas Detector (LEL, O2, H2S-LC & CO) - North American Charger - 10178572

    MSA
    $976.49
    $746.95
    Outfitted with rapid-response MSA XCell sensors, the ALTAIR 4XR Gas Detector is the toughest 4-gas monitor on the market and is backed by a 4-year warranty.RuggedSurvives 25 drops from 4 feet (1.2 meters) (MIL-STD-810G 516.6 Transit Drop 3rd Party...
    Qty in Cart: 0
    Quantity:
    Price:
    $976.49
    $746.95
    Subtotal:
  • MSA ALTAIR 4XR Multigas Detector (LEL, O2, H2S & CO-H2) - North American Charger - 10179330
    Made in USA
    Made in USA

    MSA ALTAIR 4XR Multigas Detector (LEL, O2, H2S & CO-H2) - North American Charger - 10179330

    MSA
    $976.49
    $746.95
    Outfitted with rapid-response MSA XCell sensors, the ALTAIR 4XR Gas Detector is the toughest 4-gas monitor on the market and is backed by a 4-year warranty.
    Qty in Cart: 0
    Quantity:
    Price:
    $976.49
    $746.95
    Subtotal:
  • MSA ALTAIR Pro Single-Gas Detector - Oxygen O2 (Low: 19.5%, High: 23.0%) - 10074137
    Made in USA
    Made in USA

    MSA ALTAIR Pro Single-Gas Detector - Oxygen O2 (Low: 19.5%, High: 23.0%) - 10074137

    MSA
    $621.29
    $447.25
    Based on the industry-standard ALTAIR Single-Gas Detector - but with added features and functionality - ALTAIR Pro toxic gas and oxygen detectors combine reliable detection and LED/audible/flashing/vibrating alarms with clear, backlit LCD displays...
    Qty in Cart: 0
    Quantity:
    Price:
    $621.29
    $447.25
    Subtotal:
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Adding your products to cart

If your chasing down a gas leak or have confined spaces you wish to monitor for potentially hazardous gases, Discount Safety Gear has you covered. Whether you're looking to detect the presence of a single gas or multiple gases, we have an extensive selection of portable gas detectors and area monitoring solutions to meet your needs. All of our detection devices are designed to adapt to a wide range of environments and provide users with real-time detection alerts with visual, audible, and vibrating alarms. When shopping, you'll have the option to chose from a variety of specific models with gas sensor options for Carbon Monoxide (CO), Hydrogen Sulfide (H2S), Oxygen (O2), Ammonia (NH3), Sulfur Dioxide (SO2), Chlorine (CL), Combustible Gas (LEL/LFL), and more!

There are many similarities between single and multi-gas detection devices; however, the most significant difference lies within the number of gases that a device can monitor at one time. Single Gas Detectors are limited to monitoring only one gas, and they're often slightly smaller in size. While Multi-Gas Detectors are suited to simultaneously monitor for up to six hazardous gases at once. Furthermore, multi-gas devices typically have a larger screen for displaying sensor readings to the user. We know that choosing the right gas detection solution can become overwhelming when there are so many options available. Therefore, we recommend that our customers first begin with determining which hazardous gases they wish to monitor for. Then, it will become much easier to chose the correct product that will be best for you.

Explore our gas safety products today and experience great prices on Single Gas Detectors, Multi-Gas Detectors, and gas detection Accessories including replacement sensors, calibration stands, gas cylinders, and more. If you have any questions about our products, don’t hesitate to give us a call today! Our customer service department is standing by ready to assist you at 1-877-734-2458.