Medida de tensiones por medio de explosores. Una esfera a tierra.
VOLTAGE MEASURE BY EXPLODERS. GROUND SPHERE.
Buy on AENOR
17.220.20 / Measurement of electrical and magnetic quantities
CTN 207/SC 42 - High-voltage testing techniques
IEC 60052:1960 (Identical)
It is cancelled by: UNE-EN 60052:2004
