Shop MSA X4 Gas Detectors

Sponsored
About our ads
$895.00
MSA 10178557 ALTAIR 4XR Multigas Detector - (O2, H2S, CO), Color: Charcoal, Portable Gas Monitor, Durable, Handheld, UL/CSA Approval, Includes
Amazon.com
30
Free shipping
$895.00
MSA 10178557 ALTAIR 4XR Multigas Detector - (O2, H2S, CO), Color: Charcoal, Portable Gas Monitor, Durable, Handheld, UL/CSA Approval, Includes
Amazon.com
30
$1,503.57
MSA Multi-Gas Detector: 95 Db @ 1 ft (30 Cm), MSA ALTAIR 4XR, Lithium Ion, CO/O2, ALTAIR 4XR, LCD Model: 10178566
Grainger
3
$1,503.57
MSA Multi-Gas Detector: 95 Db @ 1 ft (30 Cm), MSA ALTAIR 4XR, Lithium Ion, CO/O2, ALTAIR 4XR, LCD Model: 10178566
Grainger
3
$776.49
MSA Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Carbon Monoxide/Hydrogen/Hydrogen Sulfide, 4 Yr Model: 10121214
Grainger
$776.49
MSA Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Carbon Monoxide/Hydrogen/Hydrogen Sulfide, 4 Yr Model: 10121214
Grainger
$88.98
$124.57
MSA 10107602 Altair 4X Portable Combustible Gas, Oxygen, Hydrogen Sulfide And Carbon Monoxide Monitor With Motion Alert
gameballsod.com
28% off
$88.98
$124.57
MSA 10107602 Altair 4X Portable Combustible Gas, Oxygen, Hydrogen Sulfide And Carbon Monoxide Monitor With Motion Alert
gameballsod.com
$480.95
$744.87
BW Technologies MCXL-XWHM-Y-NA Gasalertmicroclip XL 4 Gas Detector, CO, H2S, LEL And O2, Yellow
Amazon.com
125
Free shipping
35% off
$480.95
$744.87
BW Technologies MCXL-XWHM-Y-NA Gasalertmicroclip XL 4 Gas Detector, CO, H2S, LEL And O2, Yellow
Amazon.com
125
$715.46
MSA Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Carbon Monoxide/Hydrogen Sulfide, Sensor, 15 Sec Model: 10106725
Grainger
6
$715.46
MSA Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Carbon Monoxide/Hydrogen Sulfide, Sensor, 15 Sec Model: 10106725
Grainger
6
$631.37
MSA SAFTEY 10106725 ALTAIR Io 4 Gas Detection Wearable
Voomi Supply
$631.37
MSA SAFTEY 10106725 ALTAIR Io 4 Gas Detection Wearable
Voomi Supply
$1,635.00
MSA 10125912, Altair 4X Multigas Detector, Ch4, O2, Co, Charcoal
PrimeBuy
$1,635.00
MSA 10125912, Altair 4X Multigas Detector, Ch4, O2, Co, Charcoal
PrimeBuy
$1,494.84
MSA ALTAIR 4XR Multigas Detector CO/H2S/LEL/O2 Xcell Sensors Charcoal Case North American Charger 10178557
DkHardware.com
3
$1,494.84
MSA ALTAIR 4XR Multigas Detector CO/H2S/LEL/O2 Xcell Sensors Charcoal Case North American Charger 10178557
DkHardware.com
3
$2,961.49
MSA Multi-Gas Detector: IP68, MSA ALTAIR 4XR, Lithium Ion Polymer, CO/H2S/O2, ALTAIR 4XR, 4 Yr Model: 10178356
Grainger
2
$2,961.49
MSA Multi-Gas Detector: IP68, MSA ALTAIR 4XR, Lithium Ion Polymer, CO/H2S/O2, ALTAIR 4XR, 4 Yr Model: 10178356
Grainger
2
$89.99
$96.99
XLA Alert Portable 4 Gas Monitor Multi Gas Detectorportable Gas Detector Rechargeable 4 Gas Monitor Ex H2s Co O2 With LCD Display Sound Light Shock
Amazon.com
26
Free shipping
$89.99
$96.99
XLA Alert Portable 4 Gas Monitor Multi Gas Detectorportable Gas Detector Rechargeable 4 Gas Monitor Ex H2s Co O2 With LCD Display Sound Light Shock
Amazon.com
26
$5,029.26
MSA Multi-Gas Detector: MSA ALTAIR 5X, Sampling Pump, Lithium Ion, CO/H2S/CL2/O2, ALTAIR 5X, Gray Model: A-ALT5X-ALKB100C020
Grainger
$5,029.26
MSA Multi-Gas Detector: MSA ALTAIR 5X, Sampling Pump, Lithium Ion, CO/H2S/CL2/O2, ALTAIR 5X, Gray Model: A-ALT5X-ALKB100C020
Grainger
$94.49
$104.99
XLA Alert Portable Gas Detector, Gas Clip 4 Gas Monitor Meter Tester Analyzer, Rechargeable LCD Display Sound Light Shock Air Quality Tester, 2 Year
Amazon.com
318
Free shipping
10% off
$94.49
$104.99
XLA Alert Portable Gas Detector, Gas Clip 4 Gas Monitor Meter Tester Analyzer, Rechargeable LCD Display Sound Light Shock Air Quality Tester, 2 Year
Amazon.com
318
$1,362.74
MSA Multi-Gas Detector: Carbon Monoxide, Hydrogen Sulfide, LEL & Oxygen, Audible, Vibration & Visual Signal, LCD - Monitors LEL, Oxygen, Hydrogen
MSC Direct
3
$1,362.74
MSA Multi-Gas Detector: Carbon Monoxide, Hydrogen Sulfide, LEL & Oxygen, Audible, Vibration & Visual Signal, LCD - Monitors LEL, Oxygen, Hydrogen
MSC Direct
3
$71.99
$107.99
MSA 10106722 Altair 4X Multigas Detector Xcell EX Combustible Sensor Kit
www.hardclikk.com CCC
33% off
$71.99
$107.99
MSA 10106722 Altair 4X Multigas Detector Xcell EX Combustible Sensor Kit
www.hardclikk.com CCC
$275.45
Multigas 4 Gas Monitor | With USA NIST Calibration Certificate | CO, H2S, CO, EX LEL |
Amazon.com
72
Free shipping
$275.45
Multigas 4 Gas Monitor | With USA NIST Calibration Certificate | CO, H2S, CO, EX LEL |
Amazon.com
72
$1,599.43
MSA Multi-Gas Detector: 95 Db @ 1 ft (30 Cm), IP68, MSA ALTAIR 4XR, Lithium Ion Polymer, CO/H2S/O2 Model: 10178558
Grainger
3
$1,599.43
MSA Multi-Gas Detector: 95 Db @ 1 ft (30 Cm), IP68, MSA ALTAIR 4XR, Lithium Ion Polymer, CO/H2S/O2 Model: 10178558
Grainger
3
$552.85
MSA Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Oxygen, Sensor, 0 To 30% Vol Measurement Range Model: 10106729
Grainger
5
$552.85
MSA Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Oxygen, Sensor, 0 To 30% Vol Measurement Range Model: 10106729
Grainger
5
$3,860.39
MSA Multi-Gas Detector: IP65, MSA ALTAIR 5X, Lithium Ion, CO/H2S/O2, ALTAIR 5X, Multi-Gas Detector Model: 10116924
Grainger
$3,860.39
MSA Multi-Gas Detector: IP65, MSA ALTAIR 5X, Lithium Ion, CO/H2S/O2, ALTAIR 5X, Multi-Gas Detector Model: 10116924
Grainger
MSA Altair 4XR Gas Detector - Rainbow Technology
MSA Altair 4XR Gas Detector - Rainbow Technology
Apr 11, 2024
rainbowtech.net
MSA Altair 4XR Gas Detector Kit - Rainbow Technology
MSA Altair 4XR Gas Detector Kit - Rainbow Technology
Apr 11, 2024
rainbowtech.net
Replacing gas sensors too often? The ULTIMA® X5000 is powered by a series of best in class sensors and its performance is guaranteed by the industry’s most comprehensive warranty coverage. https://bit.ly/2x2W0Wm | MSA
0:27
Replacing gas sensors too often? The ULTIMA® X5000 is powered b…
310 viewsJul 9, 2019
FacebookMSA
12 reactions | Looking to upgrade your ULTIMA® X Series Gas Detectors? The ULTIMA X5000 Gas Detector offers a direct replacement and advanced technology that increases safety while reducing costs. Learn more: https://bit.ly/3pYuxy6 | MSA | Facebook
0:16
12 reactions | Looking to upgrade your ULTIMA® X Series Gas Detec…
373 views3 weeks ago
FacebookMSA
MSA ALTAIR® 4XR MULTIGAS DETECTOR - SafetyGear.my
MSA ALTAIR® 4XR MULTIGAS DETECTOR - SafetyGear.my
5.8K viewsMay 14, 2024
safetygear.my
MSA Altair 4XR
MSA Altair 4XR
Jan 25, 2025
precisionsafety.com.au
4-Gas Calibration Blend for MSA Gas Detectors Altair 4, Altair 4X, Altair 4XR, Altair 5, Altair 5X, Sirius (58L): Amazon.com: Tools & Home Improvement
1:14
4-Gas Calibration Blend for MSA Gas Detectors Altair 4, Altair 4X, A…
50 viewsFeb 9, 2024
amazon
MSA Altair 4X Multi Gas Monitor (LEL, O2, CO, H2S)
Dec 15, 2019
industrialsafetyproducts.com
ALTAIR® 4XR
Sep 25, 2024
electrogasmonitors.com
0:12
ALTAIR® 4XR Multigas Detector | MSA | Facebook
219 views1 month ago
FacebookMSA
0:14
2.9K views | ALTAIR® 4XR Multigas Detector | MSA | Facebook
3K views3 weeks ago
FacebookMSA
0:08
Discover the ALTAIR io® 4 Connected Gas Detector – design…
24.3K views8 months ago
FacebookMSA
0:06
If you are interested in learning more about the latest revolutionar…
35 views4 weeks ago
FacebookMSA
0:40
MSA Altair 4XR
1.2K viewsNov 8, 2017
YouTubeAccurate Instruments NZ Ltd
8:37
MSA X5000 Overview and Calibration
8.2K viewsSep 11, 2020
YouTubeInstrumentation and Controls
How Do I Manually Calibrate the MSA Altair 4X Multi Gas Detector?
Jan 18, 2018
frontline-safety.co.uk
3:40
MSA Altair 4X - Portable Gas Detector
63.4K viewsNov 11, 2015
YouTubeBCS Group
1:28
MSA Sensor Technologies Infrared GB HD
18.1K viewsFeb 15, 2018
YouTubeFire & Gas detection Detection gaz et flamme
3:59
MSA Altair 4 Getting Started
27.7K viewsJul 20, 2015
YouTubeArgus-Hazco
7:48
MSA Altair 5 Sensor Replacement Guide
9.4K viewsMar 14, 2019
YouTubeIdeal Calibrations
4:26
MSA Altair Pro Single Gas Detector
9.2K viewsSep 2, 2016
YouTubeNorth Sea Workwear
2:54
MSA Altair 4XR - How to Calibrate
74K viewsMar 26, 2019
YouTubeFrontline Safety UK Ltd
2:49
MSA Altair 4X Gas Detector from Frontline Safety
1.6K viewsFeb 3, 2015
YouTubeFrontline Safety UK Ltd
14:12
MSA Altair 4x familiarization
52.7K viewsDec 28, 2015
YouTubeElkin Fire Department
0:56
MSA Altair 4X - How to read the display
6.4K viewsSep 5, 2017
YouTubeFrontline Safety UK Ltd
2:19
8: Ventis MX4 - Calibration
101.8K viewsApr 25, 2011
YouTubeIndustrial Scientific
2:52
MSA Altair 4X - How to Manually Calibrate
28K viewsJan 11, 2018
YouTubeFrontline Safety UK Ltd
8:19
MSA X5000 Calibration Procedure, By Dave Ray and Assoc.
8K viewsFeb 21, 2021
YouTubeTim Dunham
2:21
Gas Detection 101: MSA Safety Gas Detectors
34.2K viewsJul 25, 2019
YouTubeGME Supply
1:20
MSA Altair 4XR - What's in the Box?
1.4K viewsMar 26, 2019
YouTubeFrontline Safety UK Ltd
See more videos
Static thumbnail place holder

Shop MSA X4 Gas Detectors

Sponsored
About our ads
$895.00
MSA 10178557 ALTAIR 4XR Multigas Detector - (O2, H2S, CO), Color: Charcoal, Portable Gas Monitor, Durable, Handheld, UL/CSA Approval, Includes
Amazon.com
30
Free shipping
$895.00
MSA 10178557 ALTAIR 4XR Multigas Detector - (O2, H2S, CO), Color: Charcoal, Portable Gas Monitor, Durable, Handheld, UL/CSA Approval, Includes
Amazon.com
30
$1,503.57
MSA Multi-Gas Detector: 95 Db @ 1 ft (30 Cm), MSA ALTAIR 4XR, Lithium Ion, CO/O2, ALTAIR 4XR, LCD Model: 10178566
Grainger
3
$1,503.57
MSA Multi-Gas Detector: 95 Db @ 1 ft (30 Cm), MSA ALTAIR 4XR, Lithium Ion, CO/O2, ALTAIR 4XR, LCD Model: 10178566
Grainger
3
$776.49
MSA Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Carbon Monoxide/Hydrogen/Hydrogen Sulfide, 4 Yr Model: 10121214
Grainger
$776.49
MSA Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Carbon Monoxide/Hydrogen/Hydrogen Sulfide, 4 Yr Model: 10121214
Grainger
$88.98
$124.57
MSA 10107602 Altair 4X Portable Combustible Gas, Oxygen, Hydrogen Sulfide And Carbon Monoxide Monitor With Motion Alert
gameballsod.com
28% off
$88.98
$124.57
MSA 10107602 Altair 4X Portable Combustible Gas, Oxygen, Hydrogen Sulfide And Carbon Monoxide Monitor With Motion Alert
gameballsod.com
$480.95
$744.87
BW Technologies MCXL-XWHM-Y-NA Gasalertmicroclip XL 4 Gas Detector, CO, H2S, LEL And O2, Yellow
Amazon.com
125
Free shipping
35% off
$480.95
$744.87
BW Technologies MCXL-XWHM-Y-NA Gasalertmicroclip XL 4 Gas Detector, CO, H2S, LEL And O2, Yellow
Amazon.com
125
$715.46
MSA Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Carbon Monoxide/Hydrogen Sulfide, Sensor, 15 Sec Model: 10106725
Grainger
6
$715.46
MSA Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Carbon Monoxide/Hydrogen Sulfide, Sensor, 15 Sec Model: 10106725
Grainger
6
$631.37
MSA SAFTEY 10106725 ALTAIR Io 4 Gas Detection Wearable
Voomi Supply
$631.37
MSA SAFTEY 10106725 ALTAIR Io 4 Gas Detection Wearable
Voomi Supply
$1,635.00
MSA 10125912, Altair 4X Multigas Detector, Ch4, O2, Co, Charcoal
PrimeBuy
$1,635.00
MSA 10125912, Altair 4X Multigas Detector, Ch4, O2, Co, Charcoal
PrimeBuy
$1,494.84
MSA ALTAIR 4XR Multigas Detector CO/H2S/LEL/O2 Xcell Sensors Charcoal Case North American Charger 10178557
DkHardware.com
3
$1,494.84
MSA ALTAIR 4XR Multigas Detector CO/H2S/LEL/O2 Xcell Sensors Charcoal Case North American Charger 10178557
DkHardware.com
3
$2,961.49
MSA Multi-Gas Detector: IP68, MSA ALTAIR 4XR, Lithium Ion Polymer, CO/H2S/O2, ALTAIR 4XR, 4 Yr Model: 10178356
Grainger
2
$2,961.49
MSA Multi-Gas Detector: IP68, MSA ALTAIR 4XR, Lithium Ion Polymer, CO/H2S/O2, ALTAIR 4XR, 4 Yr Model: 10178356
Grainger
2
$89.99
$96.99
XLA Alert Portable 4 Gas Monitor Multi Gas Detectorportable Gas Detector Rechargeable 4 Gas Monitor Ex H2s Co O2 With LCD Display Sound Light Shock
Amazon.com
26
Free shipping
$89.99
$96.99
XLA Alert Portable 4 Gas Monitor Multi Gas Detectorportable Gas Detector Rechargeable 4 Gas Monitor Ex H2s Co O2 With LCD Display Sound Light Shock
Amazon.com
26
$5,029.26
MSA Multi-Gas Detector: MSA ALTAIR 5X, Sampling Pump, Lithium Ion, CO/H2S/CL2/O2, ALTAIR 5X, Gray Model: A-ALT5X-ALKB100C020
Grainger
$5,029.26
MSA Multi-Gas Detector: MSA ALTAIR 5X, Sampling Pump, Lithium Ion, CO/H2S/CL2/O2, ALTAIR 5X, Gray Model: A-ALT5X-ALKB100C020
Grainger
$94.49
$104.99
XLA Alert Portable Gas Detector, Gas Clip 4 Gas Monitor Meter Tester Analyzer, Rechargeable LCD Display Sound Light Shock Air Quality Tester, 2 Year
Amazon.com
318
Free shipping
10% off
$94.49
$104.99
XLA Alert Portable Gas Detector, Gas Clip 4 Gas Monitor Meter Tester Analyzer, Rechargeable LCD Display Sound Light Shock Air Quality Tester, 2 Year
Amazon.com
318
$1,362.74
MSA Multi-Gas Detector: Carbon Monoxide, Hydrogen Sulfide, LEL & Oxygen, Audible, Vibration & Visual Signal, LCD - Monitors LEL, Oxygen, Hydrogen
MSC Direct
3
$1,362.74
MSA Multi-Gas Detector: Carbon Monoxide, Hydrogen Sulfide, LEL & Oxygen, Audible, Vibration & Visual Signal, LCD - Monitors LEL, Oxygen, Hydrogen
MSC Direct
3
$71.99
$107.99
MSA 10106722 Altair 4X Multigas Detector Xcell EX Combustible Sensor Kit
www.hardclikk.com CCC
33% off
$71.99
$107.99
MSA 10106722 Altair 4X Multigas Detector Xcell EX Combustible Sensor Kit
www.hardclikk.com CCC
$275.45
Multigas 4 Gas Monitor | With USA NIST Calibration Certificate | CO, H2S, CO, EX LEL |
Amazon.com
72
Free shipping
$275.45
Multigas 4 Gas Monitor | With USA NIST Calibration Certificate | CO, H2S, CO, EX LEL |
Amazon.com
72
$1,599.43
MSA Multi-Gas Detector: 95 Db @ 1 ft (30 Cm), IP68, MSA ALTAIR 4XR, Lithium Ion Polymer, CO/H2S/O2 Model: 10178558
Grainger
3
$1,599.43
MSA Multi-Gas Detector: 95 Db @ 1 ft (30 Cm), IP68, MSA ALTAIR 4XR, Lithium Ion Polymer, CO/H2S/O2 Model: 10178558
Grainger
3
$552.85
MSA Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Oxygen, Sensor, 0 To 30% Vol Measurement Range Model: 10106729
Grainger
5
$552.85
MSA Gas Detector Sensor: ALTAIR 4XR/ALTAIR 5X, MSA, Oxygen, Sensor, 0 To 30% Vol Measurement Range Model: 10106729
Grainger
5