has been designed to be applied onto tilting tables Art. 590. Realized
with encoder and cyclic tilt position display. The display size
is such to permit an easy reading of degrees, primes, and seconds;
the grad reading is also possible. Clearing possible in whatever
angular position. Current supply: 220 V. The unit can be supplied
on demand with RS232C serial output for the connection to an electronic
processor or a printer.