General details, related documents, quality assessment and test and measurement procedures for CW tubes limited to 500 watts power output.Cross References:BS 1991:Part 6BS 2011BS 3494:Part 1BS 3939BS 4727:Part 1:Group 06BS 5555BS 6001BS 9000BS 9025BS E9000BS E9006BS E9007IEC 27-1AIEC 151CECC 00107