5 Jan 91
rectifier for a fraction of a second, during which
time the tank-to-water potential is measured.
measurement is then compared with a preset standard
and the output adjusted accordingly.
Figures 2-19, 2-20, and 2-21 show typical details.
Guidelines for number of anode rings required.
The number of rings of anodes required varies with tank
diameter. Table 3-7 gives suggestions.