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10 Best 4 gas monitor multis of 2025
Explore top picks
Best Choice1
FORENSICS DETECTORS FD4 Gas Monitor by Forensics | Built-in Pump Multi Gas Meter | O2, CO, H2S, LEL | Color Display & Graphing | USA NIST Calibration | Computer Data Logging |
9.7Exceptional
Our Rating
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Value for Money2
BW TechnologiesBW Technologies MCXL-XWHM-Y-NA GasAlertMicroClip XL 4 Gas Detector, CO, H2S, LEL and O2, Yellow
9.6Exceptional
Our Rating
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3
TOPTESTopTes Guard-863Pro 4 Gas Monitor Multi Gas Detector for H₂S, CO, LEL, and O₂, with TFT Color Screen, Upgraded O₂ Sensor (5-Year Lifespan), USB Data Export, 18h Battery Life, Reliable for Work & Home
9.5Excellent
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4
TOPTESTopTes Guard-101 Gas Detector, 4 Gas Monitor for H2S, CO, LEL and O2, with Vibration, Visual and Audible Alarms, 14h Long Battery Life, Safety Explosion-Proof, for Work, Home - Orange
Key specs-
Battery Life:Up to 14 hours
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Alarm:LED, vibration, sound
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Dimensions:8.39 x 6.3 x 3.31 inches
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Material:High-strength ABS plastic
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Power:Battery Powered
9.4Excellent
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5
ForsensalGas Detector with Pump, 4 Gas Monitor Multi Gas Detector CO EX O2 H2S Monitor, 3000mAh Rechargeable 4 Gas Monitor with Calibration Kit, Portable LCD Display with Clip Sewer Gas Detector 4 Gas Meter
9.3Excellent
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6
Forsensal4 Gas Monitor Multi Gas Detector EX O2 H2S Monitor Clip on, 3000mAh Rechargeable 4 Gas Meter View Records and Curve, Portable 4 Gas Monitor Multi Gas Detector with Calibration Kit 4 Gas Detector
9.0Excellent
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7
FORENSICS DETECTORS FDUSA NIST Calibrated 4 Gas Monitor by Forensics | O2, CO, H2S, LEL | USB Recharge |
8.9Very Good
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TOPTESTopTes Guard-156 4 Gas Monitor Multi Gas Detector for H2S, CO, LEL, and O2, Triple Alarm Modes (Visual, Vibration, Sound), 0.5s Fast Response, Dust and Explosion Proof Design for Work and Home Safety
8.8Very Good
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9
YfwsrecinoeUpgraded 4 Gas Monitor Multi Gas Detector, Yfwsrecinoe Gas Leak Detector, Rechargeable 4 Gas Monitor Ex H2s Co O2 with LCD Multiple Indicator (Orange)
8.7Very Good
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10
FORENSICS DETECTORS FDMultigas 4 Gas Monitor | with USA NIST Calibration Certificate | CO, H2S, CO, EX LEL |
8.6Very Good
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