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Description
BENETECH GM8805 LCD Display Handheld Carbon Monoxide CO Monitor Detector Meter Tester, Measure Range: 0-1000ppmPure carbon monoxide (CO) is colorless, odorless, and non irritant gas: molecular weight: 28. 01; Density: 1. 250g l; freezing point: 207C; boiling point: 190C. Its solubility in water is quite low, but it dissolves instantly in ammonia water. Air mixed explosion limit is between 12. 5% and 74%. After entering human body, carbon monoxide will combine with hemoglobin in blood, making the hemoglobin not able to combine with oxygen, which causes oxygen
Pure carbon monoxide (CO) is colorless, odorless, and non-irritant gas: molecular weight: 28. 01; Density: 1. 250g/ l; freezing point: - 207C; boiling point: - 190C. Its solubility in water is quite low, but it dissolves instantly in ammonia water. Air mixed explosion limit is between 12. 5% and 74%. After entering human body, carbon monoxide will combine with hemoglobin in blood, making the hemoglobin not able to combine with oxygen, which causes oxygen deficit to organism organization, leading to death from suffocation. Therefore, carbon monoxide is toxic, and is colorless, odorless, and tasteless, which is easy to be ignored and thus causing poisoning.The carbon monoxide detector can detect the concentration of carbon monoxide gas, and observe the value of carbon monoxide gas concentration at any time. It has a very clear large LCD screen, sound and light alarm prompts, to ensure that dangerous gases can be detected under very unfavorable working environments and prompt operators to prevent them in time. It is widely used in petroleum, chemical, coal, metallurgy, papermaking, fire fighting, municipal administration, telecommunications, food, textile and other industries.
1. Gas Tested: CO in the air
2. Measuring Range: 0-1000ppm
3. Resolution: 1ppm
4. Minimum Reading: 1ppm
5. Basic Error: +/-5%(f.s), +/-10ppm
6. Response Time: 60 seconds
7. Sensor Type: Electrochemical CO sensor
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Exchange/Return Notes
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4.8 ★★★★★
Based on 7 reviews
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Product Reviews
★★★★★ 5
Watch
Color: Silver Face-G8470
My husband loved it. It stylish and it looks great.
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Reviewed in the United States on November 10, 2025
★★★★★ 5
Awesome Anniversary Gift
I got this for my husband for our 25th silver anniversary because it is partly silver. I think it is a beautiful watch especially for the price. I think he can wear it for everyday at work and not worry about breaking it or losing it and still look classy.
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Reviewed in the United States on May 20, 2025
★★★★★ 5
Unique Couple Watch Set
It's a well-made pair of watches, perfect for you and a partner or as a gift for your friends!
It comes in a presentable little box that closes magnetically with a heart-shaped white clasp, contrasting the red box, allowing for a highly giftable gift with little effort required when it comes to packaging.
The watches themselves are stunning, with extreme attention to detail everywhere you look, whether it's beveled edges or even a crown emblem on the watch's crown.
The crystal of the watches takes a unique approach and stylistically protrudes from the watch face, resembling a toned-down pavilion and culet of a diamond.
Both watches do a great job pairing each other, and the smaller watch is different from what you'd expect, as there's effort put into its design instead of making a gimmicky downscale of the bigger watch.
Overall, they're a great pair of watches that serve as a great gift for partners to match wristwatches, and my only complaint is the male watch's band size, as out of the box it easily fits around my ankle, although adjusting the links was a breeze thanks to the provided tools.
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Reviewed in the United States on July 31, 2023
★★★★★ 5
Great matching watches
My girlfriend loved them. They go great with alot of different styles and outfits or just for daily use.
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Reviewed in the United States on October 23, 2023
★★★★★ 5
Good all around!!
Color: Dark Brown band & Rose Gold bezel & White dial
So far this is a very nice watch, light, thin, keeps good time, looks nice, nice band, nice price!!
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Reviewed in the United States on April 20, 2026