Chemicals used for treatment of water intended for human consumption. Aluminium-based coagulants. Analytical methods1 Scope This European Standard is applicable to aluminium based coagulants used for treatment of water intended for human consumption. It specifies analytical methods to be used for products described in EN 878, EN 881, EN 882, EN 883, prEN 885, prEN 886, prEN 887 and prEN 935.

1002 covers the accuracy requirements that are necessary for low-power passive current transformers for use with electrical protective relays

— tests of capability for stacked stocking of concrete sleepers or bearers fitted with USP

The safety of the user

LED light engines

ISO/TR 22696 gives guidelines for handling security threats to PHDs

With compliance to the best industry requirements specified in BS EN 2417-008 you can demonstrate the reliability of electrical cables and build trust in their use throughout the aerospace supply chain

3 fibre or bend insensitive single mode fibre specified as B6_a1 or B6_a2 in EN 60793‑2‑50

A key benefit of UV laser marking is the absorption of the laser radiation on the surface of the wire insulation which changes the colour of the casing without any damage to the wire material inside

This Revision includes some changes:

Clauses 4 and 5

This part of IEC 61280 is intended to characterize the encircled flux of two types of light sources: transmission light sources

the critical current is often measured under bending conditions or a more complex deformation state