Main functions:

When any one item outputted by generator is shortly connected directly or indirectly, the corresponding indication light will be more bright (dark bright at normal condition) and AC ground percentage meter indicates ground degree.

When SCR positive and negative busbar outputted by cabinet is shortly earthed directly or indirectly, the indication light will be more bright (dark bright under normal condition) and DC ground percentage meter indicates positive or negative end earthing, which indicates ground degree.

Composition of system elements: Ground testing board, AC/DC percentage meter, indicator light, reset testing switch, resistance and insurance, etc.