Emerson EPRO MMS6140 Monitor for Absolute Shaft Vibration In Stock

Product Description

The MMS 6140 dual-channel monitor has been designed for the use with two different transducers. Channel 1 operates with eddy current sensors and channel 2 with seismic or piezoelectric sensors. Each measuring channel can operate separately or the results of both channels may be used to calculate the difference. By means of calculating the difference of these signals, the absolute shaft vibration results. At the MMS 6140 monitor the relative shaft vibration is measured with an eddy current sensor and the absolute bearing vibration with a seismic or piezo-electric sensor.

The phase shift between the signals, caused by the different measuring principles, is compensated by the electronics. In the following, the bearing vibration signal is subtracted from the shaft vibration signal. The time signal arising thereof is then processed like a normal vibration signal, converted to a characteristically value according to the configuration parameters, output as current signal and supervised on limit exceedings (see fig. right)

The measurement of absolute shaft vibrations serve the construction of turbine protection systems. They provide
signals for analysis and diagnosis systems to be further processed in field bus systems and networks.

Such cards of the MMS 6000 family are suitable to build up systems for increasing performance, efficiency and safety of operation and to extend the machines' life times. Application fields of the epro measuring amplifiers are steam, gas and water turbines, compressors, fans, centrifuges and other turbo machinery.

Other Attributes

• Country of Origin: USA
• Lead Time: In Stock, 2 Working Days

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