Method of measurement of centre beam intensity and beam angle(s) of reflector lamps1 Scope This Technical Report describes the method of measuring and specifying the centre beam intensity and the associated beam angle(s) of reflector lamps. It applies to incandescent, tungsten halogen and gas discharge and LED based reflector lamps for general lighting purposes. It does not apply to lamps for special purposes such as projection lamps. These recommendations relate to design testing of lamps only.

This includes products which have a different primary function

NOTE 2 Road vehicles such as buses and trolley buses are not considered in this standard

It’s crucial to prevent falls from height since this is one of the largest causes of death and injury in the workplace

20 mm and 22 mm sizes

with cylindrical fixing hole

and how to use them

BS EN 61236 provides you with guidelines for the dimension and mechanical requirements

The purpose of this European standard is to establish and define the requirements for the provision of quality services by translation service providers

area sources with outward flow and area sources without outward flow

BS 7273-5 covers the interface between fire detection and fire alarm systems (see BS 5839-1) and watermist systems

and the review - are split in BS 7000-3 for clarity

on a regular basis