Long operation of various rotor machines is not allowed in case the number of revolutions is critical. During the start of electric motor, compressor and other machine equipment a critical number of revolutions should be passed as quickly as possible in order to eliminate the emergency.
Rotational velocity of machine equipment shafts is monitored by special devices called tachometers. DYNAMICS Scientific & Production Center (SPC) developed specialized explosion-protected remote tachometer for work in explosive zones where the use of ordinary tachometers is limited.
A remote tachometer is designed for use in the COMPACS® system for vibration analysis that is intended for condition monitoring of the equipment of refineries and petrochemical industries. This system is used for continuous monitoring of speed of motor shafts or any other equipment located in explosive zones.
Kostyukov V.N., Starikov V.A., Zub A.Y. Explosion-protected remote tachometer // Sensors and Systems. - 2007. - №10. - p. 47-48
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