a mixture with air under atmospheric conditions of flammable substances in the form of gas, vapour or mist, in such proportions that it can be exploded by excessive temperature, arcs or sparks (the danger is a real one). In some contexts, a distinction has to be made between explosive and potentially explosive atmospheres, an atmosphere which could be explosive (the danger is a potential one).
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Kui on tarvis eristada 'explosive atmosphere' ja 'potentially explosive atmosphere', siis võiks esimese vasteks kasutada nt "reaalselt plahvatusohtlik keskkond"; kui mõlemad terminid ei esine koos, siis on tihti mõlemad tõlgitud "plahvatusohtlik keskkond". Vrd kirje 'potentially explosive atmosphere'. {30.05.2000}
Seade kasutamiseks plahvatusohtlikus keskkonnas ja mürgiste kemikaalide käitlemiseks.
Elektridetonaatorite jagunemine kasutamiskeskkonna järgi:
1) elektridetonaatorid, mida võib kasutada plahvatusohtlikus keskkonnas (gaas ja tolm) peavad olema vaskjuhtmetega ja hülssidega, mis on kaetud plahvatustemperatuuri alandava seguga;
PPE intended for use in explosive atmospheres must be so designed and manufactured that it cannot be the source of an electric, electrostatic or impact-induced arc or spark likely to cause an explosive mixture to ignite.
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