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Two Common Misconceptions in Selecting Toxic and Harmful Gas Detectors

Aug 19, 2026

Two Common Misconceptions in Selecting Toxic and Harmful Gas Detectors

 

Myth 1: Attach importance to combustible gas detection while ignoring toxic gas detection.

Myth 2: Attach importance to the detection of gases that may cause acute poisoning while neglecting gases that may cause chronic poisoning.

During production, explosions triggered by the leakage of various combustible gases have caused heavy casualties and property losses. These painful lessons have made people attach great importance to combustible gas detection. Consequently, most hazardous gas detectors deployed in petrochemical and chemical plants are LEL detectors. However, equipping only LEL detectors is far from sufficient to protect workers' safety and health.

 

Cangzhou Haigu Safety Protection Technology Co., Ltd. points out that while most volatile hazardous gases are combustible, catalytic combustion combustible gas detectors (LEL detectors) are not the optimal choice for detecting all combustible gases. Such detectors are designed specifically for methane detection and deliver poor performance when measuring other combustible substances. For combustible gases other than methane, the lower limit concentration detectable by LEL detectors is far higher than their permissible exposure limits, which creates potential safety hazards in the workplace. To address this issue, Haigu Safety Protection Technology Co., Ltd. has specially developed 3-in-1 and 5-in-1 gas detectors, which can effectively detect various combustible substances in the air.

 

Since symptoms of acute poisoning are more obvious, currently more emphasis is placed on detecting gases that cause acute poisoning, such as hydrogen sulfide and hydrocyanic acid. Insufficient attention is paid to gases that may lead to chronic poisoning, including aromatic hydrocarbons and alcohols.

 

Cangzhou Haigu Safety Protection Technology Co., Ltd. notes that the hazards of chronic poisoning to workers' health and safety are no less severe than those of acute poisoning. Chronic gas poisoning may induce cancer and other latent diseases, shortening workers' lifespans and impairing their health. Apart from cognitive misunderstandings, the previous lack of suitable detectors capable of measuring low-concentration organic gases in the market is another major contributing factor. The company has developed and manufactured gas detectors for aromatic hydrocarbons and alcohols, products in short supply on the market, which can effectively prevent operators from suffering chronic poisoning.

 

With the advancement of science and technology and rising public awareness of health, people no longer merely aim to "go to work happily and return home safely". Instead, they pursue higher quality of life. Workers care not only about their work today, but also about their future life after retirement.

 

Therefore, new concepts and approaches must be continuously adopted in industrial hygiene and safety management. This helps prevent immediate hazards and avoid tragedies in the long run. All these goals can be continuously improved by adopting high-quality gas detectors manufactured by Haigu.

 

6 Methane gas leak detector

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