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Tacho generators

Tacho generators are analog
transducers for instrumentation and control technology. The task of
these permanently (magnet) excited generators is to convert the speed
with which they are driven into a voltage proportional to that speed.
Thanks to their robust design and construction these encoders are
suitable for large industrial drives such as those found in steel and
rolling mills, coal mining operations, in process engineering, railways,
power plants and in marine engineering.
In addition to the
shorter and longer series versions it is also possible to deploy the
tacho generators as double tacho generators versions or in combination
with incremental encoders and overspeed limit switches.