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A definition of the wavelength range for test requirements in clause 5
Ancillary equipment
What is BS EN 50600‑4‑2 about
Optical transmission power has increased in recent years due to the growing demands for ultra-long-haul transmission systems and more applications of fibre optic amplifiers for cable television broadcasting systems
BS 887 does not specify full requirements for callipers with an electronic display
Playground equipment and surfacing - Guidance on installation, inspection, maintenance and operation Ingestion-build-126766 A definition of the wavelength1 Scope This document is applicable to playground equipment, surfacing and ancillary items, e. g. gates, fences, benches, bins, shades, etc. It is intended for use by playground operators (see definitions 3. 4) to assist them in developing an inspection and maintenance regime for each playground. NOTE 1 The scope of the inspection and inclusion of the ancillary items will vary individually. NOTE 2 Ancillary items are not included in the specific