Archive for the ‘ Gas Detectors ’ Category

Key Features an Ammonia Gas Detector Should Have

Ammonia is poison gas. It is one of the common chemicals found in chemical industries. The usage of large quantity ammonia such like in refrigeration system and manufacture of other chemicals that use ammonia as raw material, as well as in the ammonia production facilities, existence of ammonia gas detector or NH3 monitor system is a must.

nh3-gas-analyzerHowever, the strong odor of ammonia makes some people just rely on their smell to detect ammonia leak inside their chemical plant and workplaces. They do not realize that correct information about ammonia concentration is very important. We have to know the dangerous level of ammonia which can cause safety and health problem according to ammonia MSDS. And this task can only be measured by an ammonia gas detector.

There are several key features you should consider when you buy ammonia gas detector. You need to consider these key features to get the right ammonia gas detector. (more…)

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H2S Monitor, The Key Factor To Controlling H2S Hazards in The Workplace

H2S-detectionWhat was happened at Tianyuan Manganese Corp in northwest China’s Ningxia Hui (23/12) has reminded me the H2S hazard and the importance of H2S monitor. In that accident at work, according to initial accident investigation three people were died which was caused by H2S gas poisoning. H2S was released when employees was mixing manganese carbonate and sulphuric acid at the plant site.

H2S or hydrogen sulfide has specific odor like rotten egg at the concentration of below 1 ppm in air. However, its odor can not be used as H2S detection method. A reliable and continuous H2S monitor or H2S detection device is exactly required to avoid H2S poisoning. (more…)

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Combustible Gas Detectors – Overview

Combustible gas detectors are ones of the basic safety equipments required when there is combustible gas inside the plant site. Auto-ignition temperature and Lower Explosive Limit (LEL) describe the potential dangers of combustible gases.

Auto-ignition temperature is the lowest temperature at which combustible gas could be ignited spontaneously (self-sustained combustion), without the presence of source of ignition. Meanwhile, Lower Explosive Limit or LEL is the lowest concentration of combustible gas in the air that will propagate flame when exposed to a source of ignition.

There are two types of combustible gas detectors in market. The first type is electrocatalytic (catalytic bead), which is also referred to passive type of gas detector. The second type is infrared detector, which uses infrared absorption as detecting technology. It is the active type. (more…)

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