Length of the interval used in the calculations.

It has to be verified that $γ×Δz<ε$ where ε is a small value, typically 0.01 acc. to IEC 60287-3-3.

Symbol
$\Delta z$
Unit
m
Used in
$N_{\mathrm{X}}$
$T_{\mathrm{mh_{\mathrm{v}}}}$