The
railway electromagnetic enviroment is known to be one of the most
severe in which to use telecommunications equipment. Test equipment
using psophometric filtering is used to ensure equipment conforms
to the Network Rail standard BR
13422 (Code of Practice for Immunisation of Signal & Telecommunication
Equipment Against 25KV 50Hz Interference) and also ITU
041.
Charterhouse
Solutions has considerable experience in working with the railway
industry to provide small, portable and robust psophometric testing
equipment for use at the trackside.