Gas detector deals(Disclaimer)
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🏅 111 gas detectors in price comparison
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💶 Current offers and discounts
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🕝 Last updated on 10.10.2026
4 Gas Monitor by Forensics | Built-in Pump Multi Gas Meter | O2, CO, H2S, LEL | Color Display & Graphing | USA NIST Calibration | Computer Data Logging |
Built-in PUMP + 4 Foot Probe: Best of the best. High quality electrochemical sensors Made in the UK. Oxygen (O2), Carbon Monoxide (CO), Hydrogen Sulfide (H2S) and Combustibles (LEL). USA NIST traceable calibrated in Los Angeles.
$ 595.45
free delivery
To the offer
35% discount
MSA Altair Single-Gas Detector, (O2) (Low: 19.52%, High 23.0%), UL
MAINTENANCE FREE: High-capacity two-year (1080 alarm minutes) battery, no sensor or battery changes necessary, built-in gas delivery adapter to eliminate additional accessories
$ 249.61
$ 384.47
To the offer
Inficon-718-202-G1 Combustible Gas Detector
Test Instruments & Gauges
$ 261.99
see shop
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PT520A Natural Gas Detector, Gas Leak Detector with 17-Inch Gooseneck, Locating The Source Like Propane, Methane, and Butane for Home and RV (Includes Battery x3) - Orange
Effective Gas Leak Detector: The TOPTES PT520A natural gas detector detects leaks of methane, propane, natural gas, LPG, butane, and more in tight spaces
$ 39.99
free delivery
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Kidde Carbon Monoxide + Explosive Gas, Natural Gas & Propane Alarm, Plug-in with 9V Battery Backup, Digital Display, 85 dB Alarm, LED Status Indicators, 3rd Edition
Easy Installation - simply plug-in to a standard, 120V outlet in your home
$ 57.47
free delivery
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First Alert BRK 1039760 Explosive Gas/CO Alarm - Quantity 1
Battery Size : AA
$ 63.99
see shop
To the offer
5% discount
TopTes 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
Quick Detection, Safety First: Guard-101 4 gas monitor multi gas detector is designed for rapid detection of 4 types of gases (H2S, CO, LEL, O2). The battery life lasts up to 14 hours, ensuring long-term monitoring of gas concentrations
$ 94.99
$ 99.99
To the offer
BW Technologies MCXL-XWHM-Y-NA GasAlertMicroClip XL 4 Gas Detector, CO, H2S, LEL and O2, Yellow
Four-gas detector for surveying levels of H2S, oxygen (O2), carbon monoxide (CO), and combustibles in natural and industrial environments, and in other personal safety, training, research
$ 619.00
free delivery
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Klein Tools ET120 Gas Leak Detector
WIDE DETECTION RANGE: Detect gas concentrations from approximately 50 to 10,000 ppm* (*based on Methane) for versatile gas monitoring
$ 129.97
free delivery
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Gas Detector with Pump, 4 Gas Monitor Multi Gas Detector CO EX O2 H2S Meter
【Gas Detector with Pump】The 4 gas monitor multi gas detector measures gases such as carbon monoxide (CO), oxygen (O2), hydrogen sulfide (H2S) and combustibles (EX). Before the 4 gas monitor multi gas detector is released, it has been inspected and certified as qualified, comes with the Calibration Certificate in the box, with an initial password of "4321", open and use directly. An essential tool for those in the trade that essential for personal safety
$ 139.99
free delivery
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TPI Combustible Gas Leak Detector with Alarm
Combustible gas, lel, lcd display
$ 668.08
free delivery
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TopTes 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
Professional & Precise Detection: Guard-863Pro 4 gas monitor detects four critical gases—H2S, CO, LEL, and O2—with a fast 0.5-second response time. It has undergone stringent safety testing by an international certification body and delivers accurate, reliable performance even in demanding environments. The continuous triple alarm system (sound, light, and vibration) ensures immediate alerts until gas levels return to safe limits
$ 159.99
free delivery
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Kidde Carbon Monoxide & Explosive Gas Alarm, Plug-in & AA Battery, COPDLG
3X THE DETECTION: Model COPDLG detects low levels of CO, natural gas, propane and sounds a loud 85-dB alarm; backlit digital display indicates level of CO presence or the word "GAS" when explosive gas is present; replaces model 900-0113, KN-COEG-3
$ 53.34
free delivery
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BW Technologies GasAlertMax XT II 4-Gas Detector with Pump, Combustible, O2, H2S and CO, Yellow
Four-gas detector for surveying levels of H2S, oxygen (O2), carbon monoxide (CO), and combustibles in natural and industrial environments, and in other personal safety, training, research, and ambient air monitoring applications
$ 1,100.00
free delivery
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MSA ALTAIR 4XR Multi-Gas Detector (O2, H2S, CO) - Handheld Instrument
MULTIGAS DETECTION: Equipped to measure Lower Explosive Limit (LEL), Oxygen (O2), Hydrogen Sulfide (H2S) and Carbon Monoxide (CO), designed for virtually no cross-channel interference
$ 955.81
free delivery
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TopTes PT-990 Rechargeable Gas Leak Detector with 11 inch Probe, Detection Range 0-10000 ppm, Data Logging & 3 Types Alarm, Natural Gas Detector for Propane, Methane for Industrial & Home - Orange
Quick Response & High Precision:The PT-990 gas leak detector is equipped with a high-quality Figaro sensor for combustible gases, capable of detecting concentrations from 0 to 10,000 ppm (0%LEL to 20%LEL). Its built-in fan actively draws in ambient air to ensure faster response times and improved detection accuracy, provides an instant response in as little as 0.5 seconds
$ 119.99
free delivery
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BW Technologies/Honeywell Analytics BWC2-H BW Clip Single-Gas Detector, Hydrogen Sulfide (H2S), Yellow
Hibernation mode with case accessory or IntelliDoX
$ 122.00
free delivery
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HAOKESITE 4 Gas Monitor Rechargeable Portable Gas Detector H2S O2 CO and LEL Multi Gas Monitor Professional Gas Sniffer with LCD Display Sound Light Vibration Alarm Mode.
【Four Alarm Modes】4 in 1 gas detector can detect EX (0-100% LEL), H2S (PPM), O2 (0-30% VOL), CO (PPM). When the dangerous gas content in the air is too high. Gas monitors will remind you that the place is dangerous within 30S through four methods: human voice, 120 decibel alarm, vibration and light.
$ 85.99
free delivery
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Natural Gas Leak Detector for Home & RV, Handheld Combustible Gas Sniffer
QUICKLY DETECT THE HIDDEN NATURAL GAS LEAKS – Our natural gas leak sniffer features a high-precision sensor and an 11-inch flexible gooseneck, making it easy to check tight or hard-to-reach gas presence areas like behind appliances, along gas lines, or RV hookups. This gas sniffer quickly detects methane, propane, butane, LPG, and other combustible gases,
$ 31.99
free delivery
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Rechargeable Gas Leak Detector, PT520B+ Natural Gas Leak Detector with a 17-inch Probe to Situate Gas Leaks for Propane, Natural Gas, Methane, LPG in RV or Home, Measuring PPM or%LEL - Orange
Rechargeable Gas Leak Detector: TopTes PT520B+ Gas Detector could quickly and accurately detect gas leaks from hard-to-reach areas for methane, propane, natural gas, LPG, etc. PT520B+ could recharge more than 3000 times. Note: Please allow 30 seconds of warm-up time before the operation
$ 79.99
free delivery
To the offer
5% discount
TopTes PT760 Rechargeable Natural Gas Detector, Gas Leak Detector with 12-inch Extendable Probe,%LEL Propane Leak Detection with Built-in Flashlight for Methane, Butane and More for Home, RV
Efficient Charging and Multi-Gas Detection: The PT760 Rechargeable Gas Detector features a Type-C charging port for swift power replenishment. This device is capable of precisely detecting a range of combustible gases, including LPG, methane, ethane, propane, butane, natural gas, coal gas, and gas fuel, effectively pinpointing any gas leaks. It's an essential tool for your daily gas equipment usage, offering reliable support for maintenance
$ 31.57
$ 33.24
To the offer
20% discount
UEi Test Instruments CD100A Combustible Gas Leak Detector
COMPREHENSIVE GAS DETECTION: This handheld gas detector is capable of detecting acetone, ammonia, butane, methane, natural gas, LPG, Jet fuel. Great detector for any residential or commercial HVAC needs.
$ 167.99
$ 209.99
To the offer
12% discount
TopTes PT-830S Rechargeable Gas Leak Detector with 14.5 Inch Flexible Probe, Range 0-10000 ppm, TFT Color Display & 3 Types Alarm, Natural Gas Leak Detector for Propane, Methane for Home or Industrial
High Precision with Flexible Probe: The PT-830S gas leak detector is equipped with a Figaro sensor that precisely measures gas concentrations ranging from 0 to 10,000 ppm. The 14-inch gooseneck designed for hard-to-reach spots. It also offers customizable high and low alarm thresholds, enabling user to achieve professional-level accuracy when detecting methane, propane, butane, and other combustible gases
$ 79.19
$ 89.99
To the offer
20% discount
AEGTEST AGT-1988PRO Rechargeable Natural Gas Detector, Gas Leak Detector with 6.9-Inch Neck, TFT Color Display, 0–9999PPM Range for Combustible Leaks Like Propane, Methane for Home & RV - Blue
Portable Design with Flexible Probe: AGT-1988PRO natural gas leak detector features a 6.9-inch long gooseneck probe for accessing hard-to-reach areas. The compact, portable gas detector is suitable for locating combustible leaks such as propane, methane and butane in residential and RV environments
$ 31.99
$ 39.99
To the offer
4 Gas Monitor + Pump by Forensics Detectors | USA NIST Calibration Certificate | USB Recharge | 4 Gas with Probe for Confined Space |
TRUST: ** 1 year limited warranty ** Arrives with calibration and QA certificate ** 100% product test and verification in the USA
$ 299.45
free delivery
To the offer
17% discount
First Alert Hardwire Combination Smoke & Carbon Monoxide Alarm
First Alerts Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
$ 53.99
$ 64.99
To the offer
4 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
【4 Gas Monitor Multi Gas Detector】The 4 gas Monitor measures gases such as carbon monoxide (CO), oxygen (O2), hydrogen sulfide (H2S) and combustibles (EX). Before the 4 gas monitor multi gas detector is released, it has been inspected and certified as qualified, comes with the Calibration Certificate in the box, with an initial password of "4321", open and use directly. An essential tool for those in the trade that essential for personal safety
$ 99.99
free delivery
To the offer
BW Technologies XT-XWHM-Y-NA GasAlertMax XT II 4-Gas Detector with Pump, Combustible, O2, H2S and CO, Yellow by BW Technologies
Four-gas detector for surveying levels of H2S, oxygen (O2), carbon monoxide (CO), and combustibles in natural and industrial environments, and in other personal safety, training, research, and ambient air monitoring applications
$ 1,099.89
free delivery
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USA NIST Calibrated 4 Gas Monitor by Forensics | O2, CO, H2S, LEL | USB Recharge |
SENSOR: High quality electrochemical sensors. USA NIST traceable calibration. Oxygen (O2), Carbon Monoxide (CO), Hydrogen Sulfide (H2S) and Combustibles (LEL). Turn ON and GO.
$ 225.45
free delivery
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XLA Alert Portable Gas Detector, Gas Clip 4 Gas Monitor Meter Tester Analyzer, Rechargeable LCD Display Sound Light Shock Air Quality Tester, 2 Year Detector…
ACCURATE:XLA Alert multi gas detector comes FACTORY CALIBRATED. Oxygen (O2), Carbon Monoxide (CO), Hydrogen Sulfide (H2S) and Explosive gas (EX).Detection error better than ≤±5% F.S. and response time: T
$ 79.99
free delivery
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TopTes 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
Precise Sensors for Fast Gas Leak Detection: The Guard-156 4 Gas Monitor is engineered to swiftly detect 4 key gases (H2S, CO, LEL, and O2). It responds within 0.5 seconds and continuously alarms until gas levels are restored to safe levels. Additionally, Guard-156 includes an alarm history storage feature for easy tracking and safety management
$ 119.99
free delivery
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Kidde Carbon Monoxide Detector, Plug-in & AA Battery Backup, COPD
DETECTS CARBON MONOXIDE: With backlit display that shows CO levels & sounds a loud 85 dB alarm when CO is detected to signal evacuation; sleep peacefully with no nighttime chirps; LED warning light indicates hazard; Test/Hush button for quick checks
$ 43.97
free delivery
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4 Gas Meter for Confined Space | USA NIST Calibration | O2, CO, H2S, LEL
SENSOR: High-quality nano sensors are included in this 4-gas meter to detect Oxygen (O2), carbon monoxide (CO), hydrogen sulfide (H2S), and combustibles (LEL). Comes FACTORY-CALIBRATED.
$ 199.00
free delivery
To the offer
TopTes PT-356 Rechargeable Natural Gas Detector with 10 inch Goose Neck, Detection Range 0-20% LEL, 3 Alarm System Gas Leak Detector with 2 Display Modes for Methane, Butane at Home or Industry
Active Rapid Detection: PT-356 gas leak detector features a built-in sampling fan that actively draws in ambient air to the sensor, significantly reducing response time. It also capable of detecting concentrations from 0 - 10,000 ppm (0%LEL to 20%LEL), applicable to various combustible gases, including Methane, Propane, Butane, Natural Gas, LPG, Gasoline and more
$ 59.99
free delivery
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Gas Leak Detector by Forensics | 10ft Drop Test Pass | Natural Gas, Alcohols, Methane, Combustibles, Acetone, Ethanol, Propane, Butane, Gasoline, Diesel, IPA, Toluene, LPG, LNG |
ACCURATE: Made in Japan sensor. Methane Calibrated.
$ 89.45
free delivery
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Aranet Radon One Home Radon Detector, Results Every 10 Minutes (White)
FAST 10-MINUTE RADON READINGS Advanced sensing technology provides radon concentration updates every 10 minutes, helping you observe changes in indoor radon levels faster than traditional long-term detectors.
$ 179.00
free delivery
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VGVGV Gas Detector, Air Monitor Formaldehyde Detector Fixed Harmful Gas Detector Temperature and Humidity Detector High Precision(0-200ppm)
VGVGV
$ 1,011.98
free delivery
To the offer
12% discount
X-Sense Smoke Detector Carbon Monoxide Detector Combo, SC07, 1-Pack
Please Note: SC07 is a basic standalone unit; it does not support wireless interconnection, does not have Wi-Fi, and cannot be used with a base station; for interconnection, search for SC07-W
$ 37.99
$ 42.99
To the offer
Multigas 4 Gas Monitor | with USA NIST Calibration Certificate | CO, H2S, CO, EX LEL |
COLOR DISPLAY: Color screen and Graph functions.
$ 275.45
free delivery
To the offer
TopTes Guard-756 Upgraded Oxygen Detector, 0-30% VOL, Portable O2 Monitor, 0.5s Fast Response, Rechargeable O2 Gas Detector, with Vibe, Light & Sound Alarms, Dust and Explosion Proof, for Work, Home
Precise Sensor with 0.5-Second Quick Response: The Guard-756 upgraded O2 monitor features a DDS sensor that triggers an alarm within 0.5 seconds when oxygen levels reach the preset threshold, continuing until levels return to safe. The upgraded sensor offers longer life, greater accuracy, and high resolution. Detection range: 0-30% VOL
$ 79.99
free delivery
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Natural Gas Leak Detector, Propane Leak Detector with 11-Inch Gooseneck
HIGH-PRECISION GAS LEAK DETECTOR - Hidden gas leaks can be dangerous—don’t wait until you smell one. This natural gas leak detector uses a sensitive, professional-grade sensor with an 11-inch flexible probe to help you locate leaks in places you can’t easily see, such as around stoves, water heaters or furnaces. It responds quickly to methane, propane, butane, LPG, and other combustible gases, helping you spot issues early and protect your home. (Note: Preheat for 30 seconds before testing.)
$ 32.99
free delivery
To the offer
BW Technologies BWC2-M BW Clip Single Gas CO Monitor, 35/200, Yellow, Standard, 1 Count
Hibernation mode with case accessory or IntelliDoX
$ 137.15
free delivery
To the offer
testo 310 II Combustion Analyzer HVAC – Combustion Leak Tester for Temperature, Flue Gas & Pressure – Natural Gas Leak Detector with Smart App and Probe
Efficient; Perfect for complex flue and exhaust gas analyses, the natural gas detector simplifies maintenance and safety checks on heating systems. The intuitive menu and smart app enable simultaneous measurements of key parameters
$ 873.90
free delivery
To the offer
4 Gas Monitor | Mini & Small | USA NIST Calibration | O2, CO, H2S, LEL | USB Recharge |
SENSOR: High-quality nano sensors are included in this 4-gas meter to detect Oxygen (O2), carbon monoxide (CO), hydrogen sulfide (H2S), and combustibles (LEL). Comes FACTORY-CALIBRATED.
$ 295.00
free delivery
To the offer
MSA ALTAIR 4XR Multi-Gas Detector (O2, H2S, CO-H2) - Handheld Unit Only
MULTIGAS DETECTION: Equipped to measure Lower Explosive Limit (LEL), Oxygen (O2), Hydrogen Sulfide (H2S) and CO-H2, designed for virtually no cross-channel interference
$ 1,135.84
free delivery
To the offer
Proster Gas Leak Detector - 10.6" Gooseneck VA Screen for LPG/Propane
【Quickly Pinpoint Leaks in Tight Spaces】 Worried about a gas smell but can't locate the source? The 10.6-inch flexible goose-neck probe bends and holds its shape, letting you easily reach behind stoves, under water heaters, around furnace pipes, and inside RV cabinets. Get the probe within 1-5cm of the suspected leak for the fastest response. Unlike shorter probes (e.g., 5-inch on many basic testers), you'll have the reach to actually find the problem
$ 31.99
free delivery
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Kidde Smoke & CO Detector, AA Battery-Powered, 30CUDR-V, 1 Pack
2-IN-1 DETECTION: Detects both smoke and carbon monoxide with advanced sensing technology engineered for over 25% faster smoke detection*; features an 85-decibel alarm with red LED light for clear visual and audible warnings; suitable for homes
$ 49.96
free delivery
To the offer
Multi Gas Detector BW Gas Alert Max XT II O2 LEL CO H2S Industrial Safety Confined Space Monitoring Chemical Oil Gas BW | Model Max XT II
Features: Portable Multi Gas Detector | Digital Display available | Multi Quad Gas (1-4) Sensor Type | Gas Legend: %LEL Combustible (W); O2 Oxygen (X); H2S Hydrogen sulphide (H); CO Carbon monoxide (M) | Real-time gas concentrations shown on LCD | Water-resistant | More accurate sampling results with Smart Sample pump technology
$ 872.00
free delivery
To the offer
Gas Leak Detector Sniffer Portable Combustible Gas Detector Handheld Gas Analyzer Flammable Natural Gas Acetone Propane Benzene Ethanol Gasoline Methane Tester 9999 PPM 20% LEL with LCD Color Display
【Portable Gas Leak Detector】This portable gas leak detector can detect a large number of flammable gases, like Acetone, Acetylene, Alcohol, Ammonia, Benzene, Butane, Ethanol, Ethylene, Oxide, Gasoline, Hexane, Hydrogen, Methane, Naphtha, Natural Gas, Paint Thinners, Propane, Solvents and more. You can use it in your house or your RV. Check appliances and piping in your house to pinpoint the precise source of a potential gas leak with this practical gas detector.
$ 66.99
free delivery
To the offer
7% discount
Airthings Corentium Home Radon Detector 223 Portable, Lightweight, Easy-to-Use, (3) AAA Battery Operated, USA Version, pCi/L
FIRST OF ITS KIND: The first battery-operated, digital radon detector. Monitor your home without the need for an outlet.
$ 139.37
$ 149.99
To the offer
10% discount
Kidde Smoke & CO Detector, Hardwired & AA Battery Backup, 30CUAR-V, 1 Pack
2-in-1 DETECTION: Model 30CUAR-V detects both smoke and carbon monoxide with advanced sensing technology engineered with over 25% faster smoke detection*; features a red LED light for clear visual notification suitable for homes
$ 62.97
$ 69.97
To the offer
17% discount
4 Gas Monitor for H2S, CO, LEL and O2 Multi Gas Monitor Professional Gas Sniffer with LCD Display Sound Light Vibration Alarm Mode.
【Four Alarm Modes】4 in 1 gas detector can detect EX (0-100% LEL), H2S (PPM), O2 (0-30% VOL), CO (PPM). When the dangerous gas content in the air is too high. Gas monitors will remind you that the place is dangerous within 30S through four methods: human voice, 120 decibel alarm, vibration and light.
$ 85.48
$ 102.99
To the offer
Amprobe GSD600 Gas Leak Detector
Quickly identify and pinpoint methane and propane gas leaks
$ 304.99
free delivery
To the offer
BW Technologies BWC4-Y-N Clip4, 4-gas (Combustible, O2, LEL, H2S, CO) - 2-Year Detector, Mixture of Lexan, TPE and Plastic, Yellow, 4.7" X 2.7" X 1.3"
Continuous 2-year runtime
$ 784.73
free delivery
To the offer
First Alert 10-Year Battery Carbon Monoxide Alarm with Digital Display
Keep your family safe with this easy to use digital-display, 10-year battery operated carbon monoxide alarm; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
$ 44.00
free delivery
To the offer
Robinair LD9-TG Tracer Gas Leak Detector w/Color LCD, Sweep Mode + More
The LD9-TG features UV wavelength technology designed to detect a 5% hydrogen / 95% nitrogen tracer gas mixture, instead of liquid refrigerant, to locate system leaks
$ 455.11
free delivery
To the offer
7% discount
Klein Tools ET110 CO Meter with Exposure Limit Alarm
ACCURATE CO GAS MEASUREMENT: Detect and measure carbon monoxide gas levels with precision using our easy-to-use CO meter
$ 129.99
$ 139.99
To the offer
8% discount
First Alert Battery Combination Smoke & Carbon Monoxide Alarm
First Alert's Precision Detection advanced sensing technology complies with new industry standards to reduce cooking nuisance alarms and provides early warning in the event of a home fire emergency
$ 36.99
$ 39.99
To the offer
First Alert Plug in Carbon Monoxide Alarm
Keep your family safe from carbon monoxide in multiple rooms with this convenient plug in carbon monoxide alarm 3 pack; The alarms work with any standard outlet and also have a battery backup for continuous monitoring of CO levels, even if there's a power failure
$ 71.41
free delivery
To the offer
Kidde Smoke & Carbon Monoxide Detector, AA Battery-Powered, 30CUDR, 1 Pack
2-in-1 DETECTION: Model 30CUDR detects both smoke and carbon monoxide and features advanced sensing technology with over 25% faster smoke detection*; sounds a loud 85-decibel alarm with red LED light for clear visual warnings; suitable for homes
$ 49.97
free delivery
To the offer
General Tools Combustible Gas Leak Detector #NGD269
DETECT LEAKS: Methane/natural gas, propane, hydrogen and other hydrocarbon and combustible gases.
$ 274.36
free delivery
To the offer
MSA ALTAIR 4XR Multi-Gas Detector (O2, H2S-LC, CO) - Handheld Unit Only
MULTIGAS DETECTION: Equipped to measure Lower Explosive Limit (LEL), Oxygen (O2), Hydrogen Sulfide (H2S-LC) and Carbon Monoxide (CO), designed for virtually no cross-channel interference
$ 1,135.84
free delivery
To the offer
First Alert Plug in Carbon Monoxide Alarm with Digital Display
Keep your family safe with this digital display, plug in carbon monoxide alarm; It works with any standard outlet and also has a battery backup for continuous monitoring of Carbon Monoxide levels, even if there's a power failure
$ 44.95
free delivery
To the offer
TopTes Guard-966 4 Gas Monitor, Pump Gas Monitor for O₂, LEL, CO and H₂S, 51" Extension Probe Included, 5-Year O₂ Sensor Lifespan, USB Data Export, 23h Runtime, for Confined Space and Industrial Use
4 Gas Monitor With Pump Sampling: Guard-966 4 gas monitor is designed for continuous detection of CO, LEL, O2, and H2S with a built-in pump sampling system. It delivers fast and stable gas intake for improved accuracy in confined spaces, industrial environments, and hazardous work areas
$ 299.99
free delivery
To the offer
11% discount
Radon Detector by Forensics | Home Use | Upgraded 20-Year Sensor Life | Version 2.0 |
ACCURATE: Super sensitive semiconductor sensor. 20-year sensor life.
$ 79.25
$ 89.45
To the offer
12% discount
X-Sense Smoke Detector and Carbon Monoxide Detector, SC01, 1-Pack
Please Note: SC01 is a basic standalone unit; it does not support wireless interconnection, does not have Wi-Fi, and cannot be used with a base station; for interconnection, search for SC01-W
$ 37.99
$ 42.99
To the offer
MSA Altair io 4 LTE Cellular Gas Detector, LEL/O2/CO/H2S, Handheld
CONNECTED SERVICE INCLUDED: Integrated LTE-M cellular connectivity and Grid Starter cloud services are included for a 4-year term. These services enable automatic data synchronization to the cloud, storage of compliance and exposure logs, digital device assignment through MSA id, and over the air firmware updates.
$ 988.99
free delivery
To the offer
Kidde Smoke & CO Detector, Hardwired & 10-Year Battery, 30CUA10, 1 Pack
2-IN-1 DETECTION: Detects both smoke and carbon monoxide with advanced sensing technology engineered for over 25% faster smoke detection*; features an 85-decibel alarm with red LED light for clear visual and audible warnings; suitable for homes
$ 69.97
free delivery
To the offer
AEGTEST HOUND-1011S Portable Radon Detector, High-Accuracy Sensor for Home, Lightweight, Audible & Visual Alarms, Long-Term Monitoring, Easy-to-Use Radon Tester in pCi/L or Bq/m³ for Basement
Portable Radon Detector: AEGTEST HOUND-1011S is a compact, portable radon detector for continuous monitoring. It measures radon levels from 0.09 to 1000 pCi/L, supports switching between pCi/L and Bq/m3 units, ensuring reliable protection against harmful radon gas
$ 59.99
free delivery
To the offer
Natural Gas Detector, Gas Leak Detector with 17-Inch Gooseneck, Locating The Source of Propane, Natural Gas, Methane, LPG and Combustible Gas Leak for Home and RV
【Effective Gas Leak Detector】This natural gas leak detector is suitable for LPG, benzene, methane, ethane, propane, butane, natural gas, coal gas, liquefied natural gas, and more in tight spaces. Allow 30 seconds for warm-up before use
$ 34.99
free delivery
To the offer
MSA ALTAIR Phosphorescent 4X Portable Multigas Detector
Dependable multigas detector tests for lel, oxygen, carbon monoxide, hydrogen sulfide, sulfur dioxide and nitrogen dioxide
$ 948.99
free delivery
To the offer
Aicevoos Natural Gas Detector with Gas Concentration Display Locating The Source of Propane, Natural Gas, and Combustible Gas Leak for Home and RV (Include Battery x3)
【Effective Gas Leak Detector】Aicevoos FC natural gas detector can accurately help you locate the gas leak of combustible gas in tight space, such as methane, natural gas, propane, LPG, gasoline, etc. *Note: Please allow 20 seconds of warm-up time before the operation
$ 49.99
free delivery
To the offer
AEGTEST HOUND-1011S Portable Radon Detector, High-Accuracy Sensor for Home, Lightweight, Audible & Visual Alarms, Long-Term Monitoring, Easy-to-Use Radon Tester in pCi/L or Bq/m³ for Basement
Portable Radon Detector: AEGTEST HOUND-1011S is a compact, portable radon detector for continuous monitoring. It measures radon levels from 0.09 to 1000 pCi/L, supports switching between pCi/L and Bq/m3 units, ensuring reliable protection against harmful radon gas
$ 59.99
free delivery
To the offer
17% discount
Safety Siren Pro4 Series Plug-in Radon Detector for Home Basement & Office
MADE IN USA RADON DETECTOR – The Safety Siren Pro4 Series (4th Generation) radon gas detector is designed and manufactured in the USA and has been trusted since 1993 for accurate, reliable radon monitoring in homes, basements, offices, and other indoor living areas.
$ 149.00
$ 178.80
To the offer
MOESAPU Natural Gas Leak Detector with 9.6in Gooseneck, 0-9999ppm Meter with 2 Sensitivity Level, 20% LEL Rechargeable Battery Powered Tester, 85dB Safety for Combustible Gas Propane Methane
【User-Friendly Functions】Portable gas leak detector has the function of restoring factory settings, which can repair the error that the product cannot be used normally due to improper settings.The sensor has a high concentration protection function, which can prevent the sensor from being damaged in the state of high concentration of combustible gas, extending the service life of the equipment. The product can also switch the unit of concentration, which can meet the needs of more users.
$ 59.99
free delivery
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Chlorine Dioxide Gas Detector by Forensics | USA NIST Calibrated | USB Recharge | Adjustable Sound, Light & Vibration Alarms | 0-20ppm ClO2 |
ACCURATE: Chlorine Dioxide (ClO2) gas in air, 0 - 20ppm with 0.1 ppm resolution. Electrochemical sensors. Comes CALIBRATED to a NIST traceable source performed in Los Angeles, CA.
$ 455.00
free delivery
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AEGTEST HOUND-1011 Portable Radon Detector for Home, Lightweight, High-Accuracy Sensor, 45-Day Monitoring, Easy-to-Use Radon Tester, Short- & Long-Term in pCi/L or Bq/m³ for Basement – Gray
Portable Radon Detector: AEGTEST HOUND-1011 is a compact, portable radon detector for continuous monitoring. It measures radon levels from 0.09 to 1000 pCi/L, supports switching between pCi/L and Bq/m3 units, ensuring reliable protection against harmful radon gas
$ 65.99
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Multi Gas Detector BW Gas Alert Max XT II O2 LEL CO H2S Industrial Safety Confined Space Monitoring Chemical Oil Gas BW | Model Max XT II
Features: Portable Multi Gas Detector | Digital Display available | Multi Quad Gas (1-4) Sensor Type | Gas Legend: %LEL Combustible (W); O2 Oxygen (X); H2S Hydrogen sulphide (H); CO Carbon monoxide (M) | Real-time gas concentrations shown on LCD | Water-resistant | More accurate sampling results with Smart Sample pump technology
$ 872.00
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H2S Monitor Clip Single Gas H2S Detector Portable Hydrogen Sulfide Detector Gas Leak Detectors with Buzzer and Red Indicator Alarm Clip on 0~100ppm H2S Gas Detector (Black)
H2S DETECTION: This portable single gas detector is specifically designed to detect hydrogen sulfide (H2S) gas with a wide measurement range of 0–100 ppm.
$ 59.99
free delivery
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5% discount
BTMETER BT-5800G Ammonia Gas Detector Sensor, Test for 0~100 PPM Nh3 Monitor Gauge with Temperature Humidity Tester
【High Range Ammonia Gas Detector】Measures ammonia gas 0 ~ 100 PPM, ammonia gas resolution 0.1 PPM, accuracy +/- 2%. Measures ambient temperature from -10 ~ 50 °C, °C/°F switchable
$ 179.99
$ 189.99
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TOPTES CT-580 Portable Carbon Monoxide Detector, Rechargeable CO Detector with Vibration, Visual & Audible Alarms, 0-1000PPM, TFT Color Display for Home, Camping, Travel, Industrial & Professional Use
Fast and Accurate: The TOPTES CT-580 Carbon Monoxide Detector is a manual inspection tool equipped with a high-sensitivity, high-accuracy DDS sensor providing a quick response within 0.3 seconds. It detects CO concentrations from 0 to 1000 PPM and features two alarm thresholds, allowing for rapid assessment of environmental changes
$ 65.99
free delivery
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5% discount
BW TECHNOLOGIES BWC2-X 19.5% Low / 23.5% HIGH Alarm Set Points, AUTOMATED SELF Test, BW Clip, IP 66/67, LCD, Oxygen / O2, Single Gas Detector
Hibernation mode with case accessory or IntelliDoX
$ 121.32
$ 127.06
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PT520A+ Rechargeable Gas Leak Detector, Natural Gas Detector with 17-inch Probe, Checking Combustible Leaks Like Propane, Methane, Butane for Home, HVAC and RV - Orange
Rechargeable Gas Leak Detector: With over 3000 recharge cycles, the TopTes PT520A+ gas sniffer can reliably and durably detect gas leaks, including methane, propane, natural gas, and LPG, even in hard-to-reach locations. Please wait for 30 seconds for the preheating time before operating
$ 49.99
free delivery
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AEGTEST HOUND-1085 Radon Detector for Home, Basement & Nursery, Long-Term Continuous Radon Monitor for Family Lung Health, Rechargeable with 45-Day Battery Life, Audible/Visual Alarms, pCi/L or Bq/m³
AEGTEST
$ 69.99
free delivery
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Sewer Leak Detector | 10ft Drop Test Pass | Upgraded 10-Year Sensor Life | Version 2.0 |
ACCURATE: Sensitive made in Japan sensor.
$ 89.45
free delivery
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Kidde Smart Carbon Monoxide Detector, Plug-in & AA Battery Backup, COPDW
REAL-TIME KIDDE APP NOTIFICATIONS: Get alerted to CO when you’re home or away (no subscription required); sounds a loud 85-dB alarm when CO is detected; uses 2.4 GHz Wi-Fi
$ 56.94
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First Alert Battery Carbon Monoxide Alarm
Keep your family safe with this 2-pack of easy to use, battery operated carbon monoxide alarms; Battery powered alarms provide continuous monitoring of CO levels, even if there's a power failure
$ 34.99
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Klein Tools 80142 Gas Leak Detector Kit, Combustible Gas Detector and Digital Manometer HVAC Pressure Tester, Dual-Port, 2-Piece
SMART BUY: A complete, high-performance kit that offers convenience and value
$ 199.99
free delivery
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5% discount
Kidde Carbon Monoxide Detector, Plug-in & AA Battery Backup, COP
DETECTS CARBON MONOXIDE: Model COP monitors CO levels & sounds a loud 85 dB alarm to signal evacuation; sleep peacefully with no nighttime chirps; LED warning light indicates hazard; Test/Hush button for quick checks
$ 34.97
$ 36.97
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TOPTES Guard-633 H2S Detector, H2S Monitor Clip On with Precise Gas Sensor, 0.5S Fast Response, 7-Day Battery Life, Low Battery Alert, Adjustable Alarm Range, 3 Alarm Modes, Explosion-Proof Safety
TOPTES
$ 39.99
free delivery
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Multi Gas Clip Simple
2 year runtime - 2 year life!
$ 625.00
free delivery
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Multigas Detector Analyzer + Pump with Probe | USA NIST Calibration | Confined Space Entry Testing | USB Recharge | 4 Sensors - CO, H2S, O2, EX LEL | 4 Gas Monitor |
DETECTOR + PUMP. Confined Space Monitor. USA NIST Calibration.
$ 345.45
free delivery
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Safe T Alert 20 Series Mini LP Gas Alarm - Propane Alarm - Surface Mount, White - 20-441-P-WT
BUILT FOR RVS – Compact surface mount design ideal for Travel Trailers, Fifth Wheels, Truck Campers, and Folding Campers. Engineered for rugged RV environments.
$ 52.04
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Kidde Smart Carbon Monoxide Detector & Indoor Air Quality Monitor, Plug-in, WiFi, Alexa Compatible Device, Voice & App Alerts
Industry First: 2-in-1 Detection - Carbon monoxide detector & Indoor Air Quality Monitor combo alerts you to both CO & indoor air quality hazards, in a single device
$ 89.97
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Aranet Radon Plus Radon Detector for Home with 10-Minute Readings
RESULTS IN MINUTES: Patented ultra-low-power architecture for maximum efficiency - the only truly portable radon monitor on the market offering continuous radon measurement every 10 minutes, ensuring you stay informed about radon levels in your home's basement at all times.
$ 209.00
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Acid Gas Detector by Forensics | USA NIST Calibration & Certificate | Dust & Explosion Proof | USB Recharge | Sound, Light and Vibration Alarms | 0-10 ppm |
DETECT: This acid gas detector is sensitive to acidic gases and vapors such as acetic acid (C2H4O2), hydrochloric acid (HCl), sulfuric acid (H2SO4), hydrofluoric acid (HF), nitric acid (HNO3), peracetic acid (C2H4O3) and formic acid (CH2O2).
$ 495.00
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NOYAFA 4 in 1 Gas Detector, H2S CO LEL O2 Gas Leak Monitor
【Quick Detection, Safety First】 Noyafa JMS19 multi gas detector rapidly detects 4 gases (H2S, CO, LEL, O2) for workplace hazard prevention
$ 96.98
free delivery
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Nitrogen Gas Detector by Forensics | Portable Analyzer for N2 Leaks | USA NIST Calibration | USB Recharge | Computer Data Logging |
USES: Nitrogen Gas Leaks via oxygen depletion. High-quality electrochemical oxygen sensor. Comes FACTORY-CALIBRATED. Turn ON and GO.
$ 595.45
free delivery
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6% discount
Gas Leak Detector, TEMIRUP Natural Propane Gas Sniffer Combustible Gas Leak Detector with 50-50000PPM 100% LEL, 2.6'' Color LCD Display,Temperature Measure, 12" Flexible Probe,High Sensitivity
【Portable Gas Leak Detector】50-50000 PMM or 1%-100% LEL alarm range. Detects a large number of flammable gases and explosive gas leaks, like methane, natural gas, propane, sewer gas, ethanol, acetone, acetylene, alcohol, benzene, butane, ethanol, ethylene, oxides, hexane, hydrogen and more. You can use it in your house or your RV to pinpoint the precise source of a potential gas leak, reduce the risk of gas explosion and protect your family's life and property safety
$ 52.49
$ 55.98
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Styrene Gas Detector (C8H8) by Forensics | USA NIST Calibration & Certificate | Dust & Explosion Proof | USB Recharge | Sound, Light and Vibration Alarms | 0-100 ppm |
ACCURACY: Styrene (C8H8) gas detector using electrochemical sensors, 0 - 100 ppm with 1 ppm resolution. Comes FACTORY CALIBRATED from Los Angeles, CA.
$ 595.00
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MSA 10074137 ALTAIR Pro Single-Gas Detector - (O2) Oxygen (Low: 19.5%, High: 23.0%), Color: Black, Portable Gas Monitor, Durable, UL Standard-Approved
SUPERIOR SENSORS: Fast-responding 20 Series oxygen and toxic sensors, detector meets UL/cUL/ATEX/Australian standards, sensors simply plug into internal circuit board for fast, easy replacement
$ 469.95
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Propane Meter, Methane Natural Gas Leak Detector, 0-100% LEL Monitor with 2 Sensitivity Level, Explosion-Proof Industrial Tester, Rechargeable Battery Operated Reader, Alarm Safety for Work Home
High precision; The electrochemical sensor is sensitive and accurate; with stability and repeatability; and can be measured the gas concentration and alarmed in time; Wider measurement range; Detection error better than ≤±5% FS; and response time T
$ 75.99
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Robinair TIF8800X Combustible Gas Detector with Simple, One Hand Operation
Robinair's TIF8800X Combustible Gas Detector provides a visual and audible signal that increases in frequency as the source of combustible gas or vapor is approached
$ 442.68
free delivery
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Kidde Smart CO Detector + Indoor Air Quality, Plug-in & AA Battery, COPDLQW
REAL-TIME NOTIFICATIONS: Sends alerts via the Kidde App (no subscription required); monitors indoor air quality, humidity, and TVOC levels; uses 2.4 GHz Wi-Fi; sounds a loud 85-dB alarm when CO is detected
$ 79.97
free delivery
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INSTRODOTS Gas Leak Detector, Propane Detector with Audible & Visual Alarm
HIGH-PRECISION GAS LEAK DETECTOR - The INSTRODOTS CGD05A natural gas detector is equipped with a high-precision sensor and flexible probe that can detect gas leaks quickly and accurately. With a 2s short response time and strong anti-interference ability, it can be used to pinpoint the precise source of a potential gas leak. The device also comes with an 11.3-inch flexible metal gooseneck tube, which expands the sensor's reach and supports detecting gas leaks in most hard-to-reach places. (Please allow 30s of the preheating time before operating)
$ 62.99
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Gas Leak Detector with LED Flashlight & Flexible Gooseneck
【Pinpoint Hidden Leaks with Ease】Equipped with a flexible gooseneck probe and 4 ultra-bright LED lights, this gas leak detector bends and holds its shape to reach tight, dark spaces other detectors can't. Whether you're checking behind appliances, inside pipelines, beneath RVs, or around storage tanks, the built-in flashlight illuminates your path while the sensor sniff's out combustible gas. No need for a separate flashlight—just one tool does it all. Perfect for homeowners and campers who demand precision and visibility in basements, kitchens, or any hard-to-reach area
$ 69.99
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Stalwart Portable Rechargeable Natural Gas Detector with Gooseneck Probe
ALL PURPOSE GAS LEAK DETECTOR - This natural gas sniffer can be used to detect acetone, acetylene, alcohol, ammonia, benzene, butane, ethanol, oxirane, gasoline, hexane, hydrogen, methane, naphtha, natural gas, paint thinner, propane, and solvent.
$ 47.95
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MTI Industries 20441PWT 12V Propane/Gas Detector, White
Package Dimensions: 31.71 L x 10.74 H x 11.94 W (inches)
$ 67.34
free delivery
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BW Technologies BWC2-H510 BW Clip Single Gas H2S Monitor, 5/10
Hibernation mode with case accessory or IntelliDoX
$ 145.00
free delivery
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MSA 10087913 Power Supply Charge Cord for ALTAIR 4X and 5X Multi-Gas Detectors, Voltage: 120, Length: 48", Color: Black, Keep Detector Charged and Ready
MULTIGAS DETECTION: Have your Altair 4X Multigas Detector ready and charged at any moment with this 48" charger. Altair 4X is equipped to measure up to four gases in one device, designed for virtually no cross-channel interference
$ 101.18
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HOUND-2070 Radon Detector for Home, Tempertaure & Humidity Display, 504 Days Data Storage for Long-Term Monitoring, Rechargeable, 3-in-1 Portable Radon Tester for Basement, pCi/L or Bq/m³
Portable Radon Detector for Home Use: Know more about your indoor environment with the HOUND-2070. This compact device monitors radon, temperature, and humidity, making it easy to test basements, bedrooms, and other indoor spaces
$ 59.99
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We have found a total of 111 gas detectors deals for you at amazon, Zoro, Newegg.com, and other shops. The most popular brands are: FORENSICS DETECTORS FD, TOPTES, and Kidde. Today's offer is MSA Altair Single-Gas Detector, (O2) (Low: 19.52%, High 23.0%), UL with 35% discount. The lowest price we found in our deals is $ 31.57 . The highest price in our price comparison is $ 1,135.84 . Currently, we have selected 12 reliable shops for you to buy gas detectors affordably.