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The United States Coast Guard requires that the two way radio must be certified as intrinsically safe. Another example is intrinsically safe or explosion-proof mobile phones used in explosive atmospheres, such as refineries. Intrinsically safe mobile phones must meet special battery design criteria in order to achieve UL, ATEX directive, or ...
Explosion-proofing designs equipment to contain ignition hazards, prevent entry of hazardous substances, and, contain any fire or explosion that could occur. Different countries have approached the standardization and testing of equipment for hazardous areas in different ways. Terminology for both hazards and protective measures can vary.
Avoidance makes it impossible for an explosion or deflagration to occur, for instance by means of suppressing the heat and the pressure needed for an explosion using an aluminum mesh structure such as eXess, by means of consistent displacement of the O 2 necessary for an explosion or deflagration to take place, by means of padding gas (f. i. CO 2 or N 2), or, by means of keeping the ...
The choice of float and stem materials depends on the liquid in terms of chemical compatibility as well as specific gravity and other factors that affect buoyancy of the float. The electronic monitoring system does not come in contact with the fluid and is considered intrinsically safe or explosion proof. These sensors work well for liquid ...
The Dow Fire and Explosion Index is essentially a measure of inherent danger and is the most widely used quantification of inherent safety. [6] A more specific index of inherently safe design has been proposed by Heikkilä, [1] and variations of this have been published. [18] [19] [20] However all of these are much more complex than the Dow F ...
The PLMS GD4001/2 in 1991 were the first detectors to achieve a truly stable zero without moving parts or software compensation of slow drifts. They were also the first infrared gas detectors of any kind to be certified intrinsically safe. The Israeli company Spectronix (also Spectrex) made an important advance in 1996 with their SafEye, the ...
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