Portable Gas Monitors
Single-gas and multi-gas portable monitors from RKI Instruments, Honeywell BW and MSA, including the GX-3R, GX-3R Pro, GX-6000, GX-Force and BW Clip, MicroClip and Ultra. Use the configurator to build an RKI monitor to your exact gas list, or call Mon–Fri 7:30–4 Pacific to talk through sensors and ranges.
In this category
941 products from RKI Instruments, BW Technologies / Honeywell Analytics, MSA, Industrial Scientific. Gases Detected: LEL (536), O2 (178), H2S (67), CO (58), VOC (PID) (23), Combustible Gas (LEL) (15) and 12 more. Number of Gases: 4 (200), 3 (195), 2 (189), 1 (153), 5 (108), 6 (85). Sample Method: Diffusion (469), Pump (sample draw) (461). Battery: Li-Ion (450), Alkaline (177), Alkaline & Li-Ion (157), Rechargeable Li-Ion (20), Sealed (non-replaceable) (1). Sold individually (126).
Brands in this category: RKI Instruments (786) · BW Technologies / Honeywell Analytics (103) · MSA (44) · Industrial Scientific (8)
Browse by type
Sample Draw Monitors (465) · Multi-Gas Monitors (413) · Single Gas Monitors (102)
How to read a gas monitor specification
A gas monitor lists the gases it detects, the sensor type and the measuring range for each (for example 0 to 100% LEL for combustibles, 0 to 25% volume for oxygen, 0 to 100 ppm for H2S), its alarm set points, battery run time, and intrinsic safety approvals (UL or CSA Class I Division 1 marks). Calibration gas and bump-test schedules follow the manufacturer's manual.
Ratings and specifications on this page are shown as published by the manufacturer or the named standard and describe performance in that standard's test. They are not a recommendation for any task. The employer's hazard assessment decides what protective equipment a job needs. Verify details against the manufacturer's current documentation before you buy.
Multi-Gas Detectors
Sample-Draw Gas Monitors
Single Gas Monitors
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MSAMSA 10076717 Single Gas Monitors, ALTAIR Pro Single-Gas Chlorine Dioxide (ClO2)
Item # 10076717$1,159.80 -
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MSAMSA A-ALT5XALKD100C000 Multi-Gas Detectors, ALTAIR 5X Multi-Gas Monitor, LEL
Item # A-ALT5XALKD100C000$3,999.50 -
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RKI InstrumentsRKI Instruments 73-0069 Multi-Gas Detectors, CX-04 2-Gas Monitor CO/O2
Item # 73-0069$442.00 -
RKI InstrumentsRKI Instruments 72-RD-C Multi-Gas Detectors, GX-3R 3-Gas Monitor LEL/O2/CO
Item # 72-RD-C$590.75 -
RKI InstrumentsRKI Instruments 72-RA-C-56 Multi-Gas Detectors, GX-3R 4-Gas Monitor LEL/O2/H2S/CO
Item # 72-RA-C-56$947.75 -
RKI InstrumentsRKI Instruments 72-PSC-A Multi-Gas Detectors, GX-3R Pro 2-Gas Monitor CO
Item # 72-PSC-A$913.75 -
RKI InstrumentsRKI Instruments 72-PRA-D Multi-Gas Detectors, GX-3R Pro 2-Gas Monitor CO/CO2 ppm
Item # 72-PRA-D$1,088.00 -
RKI InstrumentsRKI Instruments 72-PNX-D Multi-Gas Detectors, GX-3R Pro 2-Gas Monitor H2S/CO
Item # 72-PNX-D$769.25 -
RKI InstrumentsRKI Instruments 72-RB-C Multi-Gas Detectors, GX-3R 3-Gas Monitor LEL/O2/H2S
Item # 72-RB-C$531.25 -
RKI InstrumentsRKI Instruments 72-PSB-C Multi-Gas Detectors, GX-3R Pro 2-Gas Monitor CO
Item # 72-PSB-C$1,207.00 -
RKI InstrumentsRKI Instruments 72-PQC-C Multi-Gas Detectors, GX-3R Pro 2-Gas Monitor H2S/SO2
Item # 72-PQC-C$973.25 -
RKI InstrumentsRKI Instruments 72-RA-C-59-NGR Multi-Gas Detectors, GX-3R LEL/O2/H2S/CO Confined
Item # 72-RA-C-59-NGR$1,058.25 -
RKI InstrumentsRKI Instruments 72-PRB-D Multi-Gas Detectors, GX-3R Pro 2-Gas Monitor CO/CO2 %
Item # 72-PRB-D$1,088.00 -
RKI InstrumentsRKI Instruments 72-PKX-D Multi-Gas Detectors, GX-3R Pro 2-Gas Monitor LEL/CO
Item # 72-PKX-D$769.25 -
RKI InstrumentsRKI Instruments 72-PSC-D Multi-Gas Detectors, GX-3R Pro 2-Gas Monitor CO
Item # 72-PSC-D$1,049.75 -
RKI InstrumentsRKI Instruments 72-PNX-B Multi-Gas Detectors, GX-3R Pro 2-Gas Monitor H2S/CO
Item # 72-PNX-B$896.75 -
RKI InstrumentsRKI Instruments 72-PJX-C Multi-Gas Detectors, GX-3R Pro 2-Gas Monitor LEL/H2S
Item # 72-PJX-C$790.50 -
RKI InstrumentsRKI Instruments 72-PRC-A Multi-Gas Detectors, GX-3R Pro 2-Gas Monitor CO/SO2
Item # 72-PRC-A$816.00 -
RKI InstrumentsRKI Instruments 72-PQA-D Multi-Gas Detectors, GX-3R Pro 2-Gas Monitor H2S/CO2 ppm
Item # 72-PQA-D$1,088.00 -
RKI InstrumentsRKI Instruments 72-POC-D Multi-Gas Detectors, GX-3R Pro 2-Gas Monitor LEL/SO2
Item # 72-POC-D$952.00