Portable Gas Detection

ALTAIR® 4X Multigas Detector

The ALTAIR 4X is an extremely durable Multigas Detector that simultaneously measures up to four gases from a wide range of XCell(R) sensor options including combustible gases, O₂, CO, H₂S, SO₂ and NO₂. The ALTAIR 4X Detector surpasses industry standards in several crucial areas. Its four-year sensor life is 60% longer than the industry average, while its 24-hour run time exceeds the industry average by 71%. This versatile portable detector is a perfect match for industries ranging from fire fighting to welding, and its digital sensor output makes it less likely to suffer from RF interference. The unit features exclusive MotionAlert™, which lets others know if the user has become immobile, and InstantAlert™, a manual alarm that alerts others of potentially dangerous situations. This rugged unit is designed to withstand a drop of up to 20 ft (6m) and uses less than half as much calibration gas as the industry average. 
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ALTAIR® 5 Multigas Detector

The ALTAIR 5 Multigas Detector features the brightest, most legible high-resolution display in the industry. Our 6-gas detector also boasts an intuitive menu display and large buttons for easy operation, even when wearing gloves. The patented PulseCheck® Pump draws its power from the battery pack, which means the pump doesn't need a separate power supply. The detector also features exclusive the MotionAlert™ system, which lets others know if the user has become immobile, and InstantAlert™, a manual alarm that alerts others if a dangerous situation arises. * Multigas detector tests for ammonia, chlorine, hydrogen cyanide, phosphine and sulfur dioxide * Convenient display features brightest, most legible view in the industry * Miniature catalytic combustion sensors reliably detect up to 100% of LEL combustible gases, including many solvents * MotionAlert option tells others that user has become immobile * InstantAlert provides manual alarm to alert others of a dangerous situation * Reliable MSA Galaxy® Automated Test System provides easy calibration and record keeping * Versatile MSA Link™ allows user to transmit data to a computer * Choice of 18 Preprogrammed languages for global versatility * Rubber over-molded housing provides excellent grip, and water- and dust-resistant shell * Rechargeable lithium-ion battery provides lengthy battery life
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Single or Two Gas

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ALTAIR® Pro Single-Gas Detector

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. Electrochemical sensors measure concentrations of toxic gas (chlorine dioxide, hydrogen cyanide and phosphine) or percent oxygen. Purpose-built for superior dust and water protection, excellent impact resistance and excellent RFI performance.
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ALTAIR® Single-Gas Detector

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 sulfide, and oxygen coupled with LED/audible/vibrating alarms. Superior dust/water protection, high RFI resistance, and one-button operation provide heightened safety, plus increased durability and ease-of-use.
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Remote Monitoring Tools

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ALTAIR® Connect

When you pair your ALTAIR 4XR or ALTAIR 5X multi-gas detector with an Android device running ALTAIR Connect, you can... * Set up event notification groups * Update detector settings * E-mail calibration, sampling and event reports * Get compliance reminders * Share status details with the ALTAIR Grid monitoring service
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Calibration Gas, Kits & Accessories

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ALTAIR® Pump Probe

The ALTAIR Pump Probe is a rugged sampling accessory for MSA gas detection instruments. Capable of drawing samples from up to 100ft (30m) away, quickly convert diffusion instruments for use in remote sampling applications. Visual inspection of filter and quick change components simplify maintainence Rugged unibody construction provides unsurpassed durability and Li Ion battery ensures long run time even in cold weather.
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Calibration Testing Gas

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 constituents in volume, percent by mass, PPM, or volume is specified on the cylinder.
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Regulators

Regulators are used to ensure you receive the required flow of calibration gas for your application. Based on the cost-efficient design of its diffusion based gas detectors, MSA is able to use 0,25 lpm regulators. This save users’ money by delivering calibration test gas at a low rate of 0,25 lpm versus 0,50 lpm which is the market standard. For pumped instruments, the easy to use Gas Miser Demand Regulator is recommended which delivers the required gas flow rate automatically
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