EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 50281-2-1 test. This European standard specifies two test methods for determining the minimum ignition temperatures of dust for the selection of electrical devices to be used in the presence of combustible dust in accordance with IEC EN 50281-1-2.
These methods are not suitable for use with explosive substances. Method A is applicable to determining the minimum temperature of a predetermined hot surface that will cause decomposition or ignition of a layer of dust of a certain thickness deposited on it.
The method is particularly relevant for industrial equipment where dusts are present in thin layers on hot surfaces exposed to the atmosphere. Method B is applicable to determining the minimum temperature of a predetermined hot surface that will cause a cloud of a particular dust sample or other particulate solid to ignite. The test is intended to be performed as a supplemental test after determining the minimum ignition temperature of a dust layer by method A of this European Standard.
Test methods are general in nature and can be used for comparison purposes, but further testing may be required in some industrial situations. Methods for determining minimum ignition temperatures are not suitable for use with known explosives such as gunpowder, dynamite or, in some cases, mixtures of substances that may behave similarly.
The dust layer should be formed without over-compressing. In other words, the powder should be put into the ring with a spatula and dispersed mainly by the lateral movement of the spatula until the ring stops. The layer will then be leveled by drawing a straight edge along the top of the ring. Any excess should be swept away.
EUROLAB assists manufacturers with IEC EN 50281-2-1 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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