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 10043264 SM5000 Sampling Module w/Bracket, X/S5000
Free U.S Ground shipping
$8517.44
$7097.87
Normally In Stock
MSA 10225125 FL5000 Flame Detector
Free U.S Ground shipping
$14994.76
$12495.63
Normally In Stock
MSA 10128626 Galaxy GX2, ALTAIR5/5X, 1 Valve, Charging, North American charger, Black
Free U.S Ground shipping
$6085.79
$5071.49
Normally In Stock
MSA 10128641 Galaxy GX2, ALTAIR4/4X, 4 Valve, No-Charging, North American charger
Free U.S Ground shipping
$6636.55
$5530.46
Normally In Stock
MSA 10128643 Galaxy GX2, ALTAIR, ALTAIR/PRO/2X, 4 Valve, North American charger
Free U.S Ground shipping
$6636.55
$5530.46
Normally In Stock
MSA 10128644 Galaxy GX2, ALTAIR/PRO/2X, 1 Valve, No-Charging, North American charger
Free U.S Ground shipping
$5705.98
$4754.98
Normally In Stock
MSA 10099397 Charger, ALTAIR 5X, Vehicle
Free U.S Ground shipping
$629.50
$524.58
Normally In Stock
MSA 10128629 Galaxy GX2, ALTAIR4/4X, 4 Valve, Charging, North American charger
Free U.S Ground shipping
$6741.31
$5617.76
Normally In Stock
MSA 459948 Calibration Cylinder, Fixed Flow, 0.5 lpm
Free U.S Ground shipping
$654.01
$545.01
Normally In Stock
MSA 459949 Calibration Cylinder, Fixed Flow, 0.25 lpm
Free U.S Ground shipping
$654.01
$545.01
Normally In Stock
MSA 10180328 DS, 0-10ppm NO2 & 0-100ppm CO,RS485-MPO
Free U.S Ground shipping
$5123.93
$4269.94
Normally In Stock
MSA 711074 Calibration Cylinder, Gas, 34 L, (NO)-50 PPM
Free U.S Ground shipping
$731.92
$609.93
Normally In Stock
MSA 711072 Calibration Cylinder, Gas, 34 L, (HCN)-10 PPM
Free U.S Ground shipping
$1092.06
$910.05
Normally In Stock
MSA 493579 GAS, 100L, 0.6% PROPANE
Free U.S Ground shipping
$621.00
$517.50
Normally In Stock
MSA 491041 GAS, 100L, 2.5% METHANE
Free U.S Ground shipping
$621.00
$517.50
Normally In Stock
MSA 10242913 Altair Io Dock Cylinder Holder-Purchase
Free U.S Ground shipping
$2509.27
$2091.06
Normally In Stock
MSA 494450 Calibration Cylinder, Gas, 100 L, (I)-100 PPM
Free U.S Ground shipping
$582.18
$485.15
Normally In Stock
MSA 10213892 JB5000 Junction Box, 3/4" NPT, , X/S5000
Free U.S Ground shipping
$1329.97
$1108.31
Normally In Stock
MSA 478192 Calibration Cylinder, Gas, 100 L, Non-Reactive, (CH4)-1.45%, (O2)-15%
Free U.S Ground shipping
$125.42
$104.52
Normally In Stock
MSA 459942 GAS, 27L, 2.5% METHANE
Free U.S Ground shipping
$226.81
$189.01
Normally In Stock
MSA 459943 GAS, 27L, 0.6% PROPANE
Free U.S Ground shipping
$226.81
$189.01
Normally In Stock
MSA 459946 GAS, 27L, 0.8% H2
Free U.S Ground shipping
$226.81
$189.01
Normally In Stock
MSA 10125708 GAS,58L,.375%PENT,20PPMH2S,15%O2,60PPMCO
Free U.S Ground shipping
$1080.44
$900.37
Normally In Stock
MSA 10253973 Altair Io6 Global Test Stand-Purchase
Free U.S Ground shipping
$4224.67
$3520.56
Normally In Stock
MSA 10246442 Altair Io4 Global Test Stand-Purchase
Free U.S Ground shipping
$4224.67
$3520.56
Normally In Stock
MSA 461769 GAS, 27L, 300 PPM CO
Free U.S Ground shipping
$226.81
$189.01
Normally In Stock
MSA 461768 GAS, 27L, 60 PPM CO
Free U.S Ground shipping
$226.81
$189.01
Normally In Stock
MSA 10116924 ALTAIR 5X Detector Mono (LEL,O2,CO,H2S), (UL), Charcoal, Instrument Only
Free U.S Ground shipping
$5908.06
$4923.38
Normally In Stock
MSA 10125135 Galaxy GX2 Non-Electronic Cylinder Holder
Free U.S Ground shipping
$686.29
$571.91
Normally In Stock
MSA 10152669 Altair Pump Probe, North America, w/ Charger
Free U.S Ground shipping
$1136.48
$947.07
Normally In Stock
MSA 10242927 5-Device Smart Charger, ALTAIR io CHARGE, Purchase
Free U.S Ground shipping
$1028.80
$857.33
Normally In Stock
MSA 10150612 Calibration Cylinder, Gas, 116 L, (CL2)-10 PPM
Free U.S Ground shipping
$2147.69
$1789.74
Normally In Stock
MSA 10150613 Calibration Cylinder, Gas, 116 L, (CL2)-2 PPM
Free U.S Ground shipping
$2147.69
$1789.74
Normally In Stock
MSA 711062 Calibration Cylinder, Gas, 34 L, (H2S)-40 PPM
Free U.S Ground shipping
$514.62
$428.85

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.