IEEE Guide for Measuring Earth Resistivity, Ground Impedance, and Earth Surface Potentials of a Ground System Part 1: Normal Measurements
NORMA vydána dne 11.3.1983
Designation standards: IEEE 81-1983
Note: NEPLATNÁ
Publication date standards: 11.3.1983
Approximate weight : 300 g (0.66 lbs)
Country: International technical standard
Kategorie: Technické normy IEEE