The vibration switch CVS 100 LC allows a low-priced realisation of vibration control for stand-alone machines and auxiliary aggregates (e.g. fans, pumps, centrifuges, miles, gears, etc.), on whose functions important big-installations or processbounds are depending. Among other things it allows observation according to VDI 2056 and ISO 2372. Utilized for this are the vibrations of important machine parts (pillowblocks, foundations, casings) covered by rugged velocity feeders in electrical signals and processed and assessed with integrated electronics. This signal- and adjust electronics is fitted together with the velocity feeder into an aluminium casing (or optional stainless steel casing) fitted directly onto the machine to be observate. An adjustable level detector with eligible response delay is allowing the volt free signalizing via a relay