Gas Detector, CHNADKS 4 Gas Monitor H2S,O2,CO and LEL Multiple Indicator with Vibration, Audible, Visual 4 Gas Monitor Personal Rechargeable Gas Sniffer Alarm with LCD
$219.99
Price: $219.99
(as of Sep 30, 2025 02:23:04 UTC – Details)
Product Description




Conventional gas detection range
EX Measurement range:(0~100)%LEL;Low Alarm Point:20%LEL;High Alarm Point:20%LEL;Resolution:1%LEL H2S Measurement range:(0~100)PPM;Low Alarm Point:10PPM;High Alarm Point:2OPPM;Resolution:1PPM Co Measurement range:(0~1000)PPM;Low Alarm Point:50PPM;High Alarm Point:200PPM;Resolution:1PPM 02 Measurement range:(0~30)%VOL;Low Alarm Point:19.5%VOL;High Alarm Point:23.5%VOL;Resolution:0.1%VOL Range of error 5% FS (combustible), ±10% (carbon monoxide), 2 mol/mol or ±10% (hydrogen sulfide)




PREMIUM QUALITY
The portable gas detector adopts the advanced large-scale integrated circuit technology.The detector adopts the natural diffusion method to detect gas, using high-quality gas sensors, with sensitivity and repeatability.Simple and convenient operation, greatly meet the requirements of industrial site safety monitoring of equipment reliability, the appearance of high-strength engineering plastic, solid, waterproof, dustproof, explosion-proof.


IMPORTED SENSORS
Explosion-proof mark:Ex ib IIB T3 GbSensor life: EX, HzS, C0: 2~3 years, O2:5 yearsCan no be replace sensors in explosive atmospheres


THREE TYPES OF ALARMS
Three Alarm for light, sound and vibration indication.Fast response time, instant response within 45s, ready to use.


Ultra-LCD display
Equipped with LCD display, which makes the operation easy and humane and has strong anti-interference ability.Accessible to people with disabilities.










Portable Hand-held 4 Gas Detector
Portable handheld rechargeable 4 gas monitor with long standby time of 16-18 hoursbattery passed ST/SG/AC.10/11/Rev.6/Amend.1/Section 38.3specifications are 3.7V, 1800mAh, 6.66Wh.


Full Range accessories
Equipped with a carry-on bag, charger, fixed clip, manual and other necessary itemsEasy to carry and less likely to be lostInstructions for operation are detailed, please use according to the instructions


Detail Show
Four buttons, simple operation, easy to useWith a solid back clip, you can put it in your pocket at will and not worry about losing it.


ADKS-4 is a portable 4 gas detector for carbon monoxide (CO), oxygen (O2), hydrogen sulfide (H2S), and combustibles (EX) from CHNADKS, using imported sensors with lifetime of 2-5 years.Can be continuously detect the concentration of leaking gas.
Upgraded 4 gas Monitor: Easy operate, LCD real-time display. Three Alarm for light, sound and vibration indication. Waterproof IP54, fast response within 45s, standby time 16-18 hours.
Technical Data:Multiple explosion-proof signs, respectively, Ex ib IIB T3 Gb; long sensor life: LEL, HzS, C0: 2~3 years, O2: 5 years; working environment temperature is -20℃~ 50℃; humidity ≤ 95% RH (no condensation); The 4 gas detector size is 130*65*45(mm) and the weight:0.5kg
Usage Environment:The 4 gas monitor is widely used in petroleum, chemical, environmental protection, metallurgy, refining, gas transmission and distribution, biochemical medicine, agriculture and other industries.
💥 Please Note:The battery pack cannot be removed or replaced in an explosive atmosphere, and the battery pack cannot be charged. Peripheral plug-in devices that are not explosion-proof certified cannot be used in explosive atmospheres, and sensors cannot be replaced.
Customers say
Customers like the reliability of the gas smoke fire alarm. They mention it works well, is useful, and able to compare O2, CO and LEL to work sources and metering equipment. However, some customers have reported that the battery doesn’t last long enough.
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