Heating elements connections (Heating elements resistance "r" of unit power "p" with nominal voltage "U")

Specific heat and density of main liquids

Figures provided in this section are results of tests made in our laboratory. Charts were smoothened by computer, and are given for specified power and for information only.

The invention of sheathed heating elements comprising a metal tube swaged around a coiled heating wire, and which is insulated by compressed magnesia, was an essential step of the electrothermics development.

Average surface temperature and average air temperature of air heaters described in this catalogue