Lamp controlgear - Particular requirements for electronic invertors and convertors for high-frequency operation of cold tubular discharge lamps (neon tubes)What is BS EN 61347 2 10+A1 Requirements for electronic invertors and convertors about? BS EN 61347 2 10+A1 specifies particular requirements for electronic invertors and convertors for high frequency operation of tubular cold cathode discharge lamps used in signs and luminous discharge tube installations and operating with an output voltage exceeding 1 000 V but not exceeding 10 000 V for direct connection to supply voltages not exceeding 1 000 V at

BS EN ISO 14175 supersedes BS EN 439:1994 which is withdrawn

for which reference should be made to any general textbook on fluid flow

with maximum working pressures not exceeding 25 bar at 20 °C

This standard considers accessibility to lifts for persons using wheelchairs with maximum overall dimensions defined in BS EN 12183:1999 and BS EN 12184:1999

7 Velocity Dependent Devices

Also included are stereotactic radiotherapy (SRT)/ Stereotactic radiosurgery (SRS) and the use of certain electromagnetic imaging devices

reliability of the system

Increased service value

hazardous situations and events are covered are indicated under ‘Exclusions’ in this document

Observing ergonomic principles

Luminaires - Part 1: General requirements and tests

Table 103 – Electrical conditions for the different positions of withdrawable parts