Specification for underground loudspeaker communication systems in coal mines

STEP test requirements

Note 3: The secure application layer interfaces for the exchange of ERI data with an ERI reader or writer are specified in both this part of ISO 24534 and ISO 24534-5

The following modifications were implemented in this new version of EN 515:

made of wrought austenitic stainless steel

BS EN 61003-2 gives guidelines for inspection and routine testing of electrical and pneumatic instruments with two- or multi-state output

Involving top management and commitment through adequate acquisition and deployment of resources

inward and outward opening

Selection of tests

Note: BS EN 2715 does not consider health and safety requirements

buying time for the occupants to escape

and BS EN 13432) may be used together to support a claim that packaging is in compliance with the essential requirements for it to be placed on the market as required by the Directive

BS ISO 14033:2019 supersedes PD ISO/TS 14033:2012