BS EN IEC 61753-111-9. Fibre optic interconnecting devices and passive components performance standard - Part 111-9. Sealed closures for category S. Subterranean Ingestion-build-256245 See Clause 4 for ISO

See Clause 4 for ISO 15143‑applicableservices

BS EN 50065-1 does not specify the signal modulation methods nor the coding methods nor functional features (except those for the prevention of mutual interference)

Note that more capabilities may be required than in the base standards

and any other components fabricated for use in the reinforcement of concrete

ISO 14189 can be applied to all types of water samples provided they do not contain particulate or colloidal matter that interferes with filtration

BS EN IEC 61753-111-9. Fibre optic interconnecting devices and passive components performance standard - Part 111-9. Sealed closures for category S. Subterranean Ingestion-build-256245 See Clause 4 for ISO