MSA Instrumentation

MSA instrumentation provides gas and flame detection, environmental monitoring, and process-analysis solutions for hazardous industrial environments. MSA products help protect workers and facilities by detecting combustible gases, toxic gases, oxygen deficiency, refrigerant leaks, and flame hazards before they create a serious safety incident.

RSP Supply offers MSA portable gas detectors, area monitors, fixed gas detectors, flame detectors, gas sensors, transmitters, controllers, calibration stations, test gas, sampling pumps, process analyzers, refrigerant monitors, and replacement accessories. Major MSA product families include ALTAIR portable gas monitors and fixed detection equipment for continuous facility and process monitoring.

Choosing the correct MSA instrument begins with identifying the gas or hazard, expected concentration range, sensor technology, alarm requirements, response time, operating temperature, hazardous-location approval, power supply, communication protocol, and calibration needs. Portable instruments may be selected for personal or confined-space monitoring, while fixed systems provide continuous protection for facilities, equipment, and processes.

Found 146 items
Normally In Stock
MSA 10151021 SPARE FILTERS,ALTAIR PUMP PROBE
Free U.S Ground shipping
$99.66
$83.05
Normally In Stock
MSA 468249 GAS, 27L, 100% NITROGEN
Free U.S Ground shipping
$237.28
$197.73
Normally In Stock
MSA 468248 GAS, 19L, 20.8% O2
Free U.S Ground shipping
$237.28
$197.73
Normally In Stock
MSA 466193 GAS, 27L, 0.75% PENTANE
Free U.S Ground shipping
$237.28
$197.73
Normally In Stock
MSA 10153103 Altair Pump, Sampling Line, Polyurethane, Clear, 10'
Free U.S Ground shipping
$184.68
$153.90
Normally In Stock
MSA 711070 Calibration Cylinder, Gas, 34 L, (SO2)-10 PPM
Free U.S Ground shipping
$538.99
$449.16
Normally In Stock
MSA 10125914 ALTAIR 4X Multigas Detector, (CH4, O2, CO, NO2), Charcoal
Free U.S Ground shipping
$3085.19
$2570.99
Normally In Stock
MSA 10153986 ALTAIR 2X, CO (25, 100), Charcoal
Free U.S Ground shipping
$1029.59
$857.99
Normally In Stock
MSA 10154074 ALTAIR 2X, CO-H2 (25, 100), Charcoal
Free U.S Ground shipping
$1346.69
$1122.24
Normally In Stock
MSA 10105756 Galaxy GX2, Cylinder Holder, Black
Free U.S Ground shipping
$3210.37
$2675.31
Normally In Stock
MSA 801582 Sample Probe Filter- 10 pack
Free U.S Ground shipping
$209.30
$174.42
Normally In Stock
MSA 10106728 Xcell Sensor Replacement Kit CL2
Free U.S Ground shipping
$1554.26
$1295.22
Normally In Stock
MSA 476304 GAS, 19L, 0.75% PENTANE, 15% O2
Free U.S Ground shipping
$237.28
$197.73
Normally In Stock
MSA 10153105 Altair Pump, Sampling Line, Polyurethane, Clear, 50'
Free U.S Ground shipping
$343.20
$286.00
Normally In Stock
MSA 10092523 ALTAIR: Oxygen O2 (Low: 19.5%, High: 23.0%), Black
Free U.S Ground shipping
$721.27
$601.06
Normally In Stock
MSA 467895 Regulator, Fixed Flow, Model RP, .25 LP
Free U.S Ground shipping
$684.85
$570.71
Normally In Stock
MSA 10040665 Altair 5X, Sampling Line w/ Quick Disconnect, Air-Line, 10' PU, Clear
Free U.S Ground shipping
$399.13
$332.61
Normally In Stock
MSA 10125912 Altair 4X Multigas Detector, (CH4, O2, CO), Charcoal
Free U.S Ground shipping
$2608.56
$2173.80
Normally In Stock
MSA 10145138 Galaxy GX2, Printer Ribbon, Zebra Printer GX430T
Free U.S Ground shipping
$118.78
$98.98
Normally In Stock
MSA 10154073 ALTAIR 2XT, CO/NO2 (CO: 25, 100; NO2: 2.5, 5), Charcoal
Free U.S Ground shipping
$1340.06
$1116.72
Normally In Stock
MSA 10154077 ALTAIR 2X, SO2 (2, 5), Charcoal
Free U.S Ground shipping
$1305.04
$1087.53
Normally In Stock
MSA 10076729 ALTAIR Pro: Hydrogen Cyanide HCN (Low: 4.7ppm, High: 10ppm)
Free U.S Ground shipping
$1531.69
$1276.41
Normally In Stock
MSA 10153984 ALTAIR 2XP, H2S-PULSE (10, 15), Charcoal
Free U.S Ground shipping
$1148.20
$956.83
Normally In Stock
MSA 10092521 ALTAIR: Hydrogen Sulfide H2S (Low: 10ppm, High: 15ppm), Black
Free U.S Ground shipping
$279.36
$232.80
Normally In Stock
MSA 10092522 ALTAIR: Carbon Monoxide CO (Low: 25ppm, High: 100ppm)
Free U.S Ground shipping
$721.27
$601.06
Normally In Stock
MSA 10150614 Calibration Cylinder, Gas, 116 L, (HCN)-10 PPM
Free U.S Ground shipping
$2174.56
$1812.13
Normally In Stock
MSA 10124286 NA Power Supply, GALAXY GX2, SW, 100-240VAC IN, 6VDC 3A OUT
Free U.S Ground shipping
$99.65
$83.04
Normally In Stock
MSA 10106725 Sensor Replacement Kit CO/H2S
Free U.S Ground shipping
$865.25
$721.04
Normally In Stock
MSA 96329 CAN:AEROSOL,CAL GAS,2% METHANE IN AIR
Free U.S Ground shipping
$237.28
$197.73
Normally In Stock
MSA 10223001 MSA id Tag Keychain, Qty. 25
Free U.S Ground shipping
$316.46
$263.72
Normally In Stock
MSA 455130 GAS, 4L, 0.8% H2
Free U.S Ground shipping
$237.28
$197.73
Normally In Stock
MSA 814978 GAS, 11L, 60 PPM CO
Free U.S Ground shipping
$237.28
$197.73
Normally In Stock
MSA 10105839 Probe & Sample Line for Reactive Gases (NH3/CL2), 10 ft
Free U.S Ground shipping
$1282.78
$1068.98
Normally In Stock
MSA 10250799 ALTAIR io 6 Battery Pack Replacement Kit
Free U.S Ground shipping
$1223.48
$1019.57

FAQs

What types of instrumentation does MSA manufacture?

MSA manufactures portable single-gas and multigas detectors, area monitors, fixed gas detectors, flame detectors, sensors, transmitters, controllers, process analyzers, refrigerant monitors, calibration stations, sampling equipment, test gas, and related accessories.

What gases can MSA gas detectors monitor?

Depending on the detector and installed sensors, MSA instruments can monitor oxygen, combustible gases, hydrogen sulfide, carbon monoxide, ammonia, chlorine, sulfur dioxide, volatile organic compounds, refrigerants, and other toxic or flammable gases. Always verify the exact sensor configuration and detection range.

What is the difference between portable and fixed MSA gas detection?

Portable gas detectors are carried or worn by workers for personal, confined-space, or temporary area monitoring. Fixed gas detectors are permanently installed to continuously monitor a facility, process area, equipment room, or other defined location.

How do I choose the correct MSA gas detector?

Identify the gases being monitored, required detection ranges, number of sensors, alarm functions, battery or power requirements, sampling method, data logging, wireless connectivity, environmental conditions, and hazardous-location approvals. Calibration and bump-testing requirements should also be considered.

Why buy MSA instrumentation from RSP Supply?

RSP Supply offers genuine MSA gas detectors, sensors, controllers, calibration products, and replacement accessories with detailed specifications, competitive pricing, knowledgeable support, and fast shipping on available items. Our team can help verify part numbers and identify compatible products for your gas-detection system.