BS 5207:1975
$102.76
Specification for sulphur hexafluoride for electrical equipment
Published By | Publication Date | Number of Pages |
BSI | 1975 | 26 |
As supplied in steel cylinders for use as an insulating, cooling and arc interrupting medium. Permissible limits for impurities including water, carbon tetrachloride, oxygen, nitrogen, hydrolysable fluorides, oil, acidic constituents and toxic impurities. Sampling techniques and test methods.