EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of IEC EN 60794-3-21 testing. IEC EN 60794-3-21 is a product specification. Provides detailed requirements specific to optical self-supporting overhead telecommunication cables used in on-site cabling to ensure compliance with ISO/IEC 11801 and ISO/IEC 24702. IEC EN 60794-3-20 family specification and IEC EN 60794 cross section specification requirements -3 are applicable to cables covered by this standard.
The cable must conform to the IEC EN 60794-3-20 family specification and meet the requirements defined here, including the requirements in the IEC EN 60794-3 section specification.
The sample of the individual components should consist of a container of sufficient size to contain the component samples, the samples to be tested, and sufficient fill or overflow compound (as appropriate) to completely cover the samples in the container. Preparation of the samples includes the steps of placing the samples in the container and pouring the filler or overflow compound onto these samples. Whether filling or filling compound is used depends on what material is adjacent to the component to be tested in the actual cable. A filling or filling composition may further comprise an activated dry water blocking material. Exact test details are currently being evaluated for compatibility between dry water blocking material containing absorbent powders and other cable components.
In order to obtain reproducible values, the cable sample should be brought into the climatic chamber so that the placement does not affect the measurement. Such methods can be a loose spool or a spool with large diameter spools, padded spools with a soft layer, or a zero tension plant device.
EUROLAB assists manufacturers with IEC EN 60794-3-21 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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