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Gas Monitors & Sensors

BW Technologies by Honeywell Replacement GasAlert Combustible Gas Sensor

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BW Technologies by Honeywell Replacement GasAlert Combustible Gas Sensor

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BW Technologies by Honeywell Replacement GasAlert Combustible Gas Sensor

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Airgas Part #:B86SRW04

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BW Technologies by Honeywell Replacement GasAlertQuattro Combustible Gas Sensor

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BW Technologies by Honeywell Replacement GasAlertQuattro Combustible Gas Sensor

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BW Technologies by Honeywell Replacement GasAlertQuattro Combustible Gas Sensor

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Airgas Part #:B86SRW0475C

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MSA ALTAIR® Portable Carbon Monoxide Monitor

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MSA ALTAIR® Portable Carbon Monoxide Monitor

MSA ALTAIR® Portable Carbon Monoxide Monitor

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Airgas Part #:MSA10092522

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Industrial Scientific Replacement MX6 iBrid® Carbon Monoxide Sensor

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Industrial Scientific Replacement MX6 iBrid® Carbon Monoxide Sensor

Industrial Scientific Replacement MX6 iBrid® Carbon Monoxide Sensor

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Airgas Part #:I2417124975-H

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MSA Replacement Altair® 5X/XCell® Chlorine Sensor

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MSA Replacement Altair® 5X/XCell® Chlorine Sensor

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MSA Replacement Altair® 5X/XCell® Chlorine Sensor

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Airgas Part #:MSA10106728

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Industrial Scientific Replacement MX6 iBrid® Photoionization And Volatile Organic Compounds Sensor

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Industrial Scientific Replacement MX6 iBrid® Photoionization And Volatile Organic Compounds Sensor

Industrial Scientific Replacement MX6 iBrid® Photoionization And Volatile Organic Compounds Sensor

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Airgas Part #:I2417124975-R

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BW Technologies by Honeywell GasAlertMicro 5 Portable Hydrogen Sulfide, Carbon Monoxide, Oxygen And Combustible Gas Detector

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BW Technologies by Honeywell GasAlertMicro 5 Portable Hydrogen Sulfide, Carbon Monoxide, Oxygen And Combustible Gas Detector

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BW Technologies by Honeywell GasAlertMicro 5 Portable Hydrogen Sulfide, Carbon Monoxide, Oxygen And Combustible Gas Detector

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Airgas Part #:B86M5XW0YAPDYN0

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Industrial Scientific Tango® TX1 Portable Carbon Monoxide Monitor

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Industrial Scientific Tango® TX1 Portable Carbon Monoxide Monitor

Industrial Scientific Tango® TX1 Portable Carbon Monoxide Monitor

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Airgas Part #:I24TX1-1

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MSA Plastic Galaxy® GX2 Automated Calibration Test System For ALTAIR® 4X

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MSA Plastic Galaxy® GX2 Automated Calibration Test System For ALTAIR® 4X

MSA Plastic Galaxy® GX2 Automated Calibration Test System For ALTAIR® 4X

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Airgas Part #:MSA10128642

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BW Technologies by Honeywell GasAlertMicro 5 Portable Combustible Gas, Carbon Monoxide, Oxygen And Hydrogen Sulfide Detector

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BW Technologies by Honeywell GasAlertMicro 5 Portable Combustible Gas, Carbon Monoxide, Oxygen And Hydrogen Sulfide Detector

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BW Technologies by Honeywell GasAlertMicro 5 Portable Combustible Gas, Carbon Monoxide, Oxygen And Hydrogen Sulfide Detector

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Airgas Part #:B86M5XW0YRPDYN0

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MSA ALTAIR® 4X Portable Methane, Oxygen, Carbon Monoxide And Nitrogen Dioxide Multi Gas Monitor

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MSA ALTAIR® 4X Portable Methane, Oxygen, Carbon Monoxide And Nitrogen Dioxide Multi Gas Monitor

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MSA ALTAIR® 4X Portable Methane, Oxygen, Carbon Monoxide And Nitrogen Dioxide Multi Gas Monitor

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Airgas Part #:MSA10125914

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BW Technologies by Honeywell BW Clip™ Portable Hydrogen Sulfide Gas Monitor

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BW Technologies by Honeywell BW Clip™ Portable Hydrogen Sulfide Gas Monitor

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BW Technologies by Honeywell BW Clip™ Portable Hydrogen Sulfide Gas Monitor

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Airgas Part #:B86BWC3H

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MSA Replacement XCell® Carbon Monoxide And Hydrogen Sulfide Sensor With Low Concentration Detection

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MSA Replacement XCell® Carbon Monoxide And Hydrogen Sulfide Sensor With Low Concentration Detection

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MSA Replacement XCell® Carbon Monoxide And Hydrogen Sulfide Sensor With Low Concentration Detection

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Airgas Part #:MSA10121213

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MSA ALTAIR® 5X Portable Combustible Gas, Oxygen, Carbon Monoxide And Hydrogen Sulfide Multi Gas Monitor With Advanced PID Sensor Options And Color Display

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MSA ALTAIR® 5X Portable Combustible Gas, Oxygen, Carbon Monoxide And Hydrogen Sulfide Multi Gas Monitor With Advanced PID Sensor Options And Color Display

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MSA ALTAIR® 5X Portable Combustible Gas, Oxygen, Carbon Monoxide And Hydrogen Sulfide Multi Gas Monitor With Advanced PID Sensor Options And Color Display

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Airgas Part #:MSA10165446

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Industrial Scientific T40 Rattler™ Portable Hydrogen Sulfide Monitor

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Industrial Scientific T40 Rattler™ Portable Hydrogen Sulfide Monitor

Industrial Scientific T40 Rattler™ Portable Hydrogen Sulfide Monitor

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Airgas Part #:I2418105247

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Macurco™ Gas Detection GD-12 Fixed Combustible Gases/Hydrogen, Propane, Methane Detector

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Macurco™ Gas Detection GD-12 Fixed Combustible Gases/Hydrogen, Propane, Methane Detector

Macurco™ Gas Detection GD-12 Fixed Combustible Gases/Hydrogen, Propane, Methane Detector

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Airgas Part #:AR0GD-12

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Honeywell Replacement Sensepoint XCD Single Gas Monitor

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Honeywell Replacement Sensepoint XCD Single Gas Monitor

Honeywell Replacement Sensepoint XCD Single Gas Monitor

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Airgas Part #:HYWSPXCDULNHX

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Industrial Scientific Ventis® MX4 Portable Carbon Monoxide, Combustible Gases, Hydrogen Sulfide And Oxygen Multi Gas Monitor

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Industrial Scientific Ventis® MX4 Portable Carbon Monoxide, Combustible Gases, Hydrogen Sulfide And Oxygen Multi Gas Monitor

Industrial Scientific Ventis® MX4 Portable Carbon Monoxide, Combustible Gases, Hydrogen Sulfide And Oxygen Multi Gas Monitor

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Airgas Part #:I24VTS-L1231001101

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Honeywell Replacement Sensepoint XCD Combustible Gas Sensor

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Honeywell Replacement Sensepoint XCD Combustible Gas Sensor

Honeywell Replacement Sensepoint XCD Combustible Gas Sensor

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Airgas Part #:HYWSPXCDXSFXSS

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MSA Replacement Ultima® X Series Sensor

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MSA Replacement Ultima® X Series Sensor

MSA Replacement Ultima® X Series Sensor

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Airgas Part #:MSAAULTXSENS1200

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Identify Toxic Gas Leaks Fast

Easy-to-use single and multiple gas monitors and sensors at Airgas can keep you, the plant, and people who live nearby from becoming a victim of dangerous leaks and exposures. These invaluable life-saving devices come in a variety of convenient portable and clip-on formats from MSA, BW, Industrial Scientific, Honeywell, and other manufacturers. Not only can they help keep workers safe, but they can also keep the site in compliance.


Airgas is a leading single-source supplier for all things gases, welding equipment, and supplies, and safety products. Find it with us, anytime, anywhere at Airgas.com.