PR6423/03R-010+CON021  vibration pickup EPRO

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Essential details：PR6423/03R-010+CON021  vibration pickup EPRO

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Originally a factory of the Dutch company Philips in West Germany, it was built in 1970 and became an independent company in 1992. In 1994, it acquired Philips Steam Turbine Monitoring and Protection System Division, which inherited decades of valuable experience and well-equipped production facilities accumulated by Philips in the field of rotating machinery protection, especially the senior experts cultivated by Philips over the years and the extensive sales and technical service network. And on this basis, the development of a new generation of steam turbine monitoring and protection system: MMS6000. Since Philips Steam Turbine monitoring and protection system RMS700 entered the Chinese market in 1986, it has been widely used in Chinese electric power system. At present, epro MMS6000 system has been running on more than 200 sets of large steam turbines in all power plants in China, and it has been used by more and more new units, and the original RMS700 and other protection systems will be reformed gradually, to fully ensure the safety of these units
German EPRO sensor, speed probe, shaft vibration probe PR6423 series
PR6423/000-000 PR6423/001-000 PR6423/002-000 PR6423/003-000 PR6423/004-000 PR6423/005-000 PR6423/006-000 PR6423/007-000 PR6423/008-000 PR6423/009-000 PR6423/000-010 PR6423/001-010 PR6423/002-010 PR6423/003-010 PR6423/004-010 PR6423/005-010 PR6423/006-010 PR6423/007-010 PR6423/008-010 PR6423/009-010 PR6423/000-020 PR6423/001-020 PR6423/002-020 PR6423/003-020 PR6423/004-020 PR6423/005-020 PR6423/006-020 PR6423/007-020 PR6423/005-030 PR6423/006-030 PR6423/007-030 PR6423/008-030 PR6423/009-030 PR6423/000-040 PR6423/001-040 PR6423/002-040 PR6423/003-040 PR6423/004-040 PR6423/005-040 PR6423/006-040

PR6426/010-010+CON021/916-160

The sensors are operated above the resonance frequency, which is 4,5 Hz. The seismic mass remains at rest and due to the vibration of the sensor housing, an electric signal proportional to the vibration velocity is generated. The sensors are dynamic sensors with the measuring coil as part of the seismic element, moving in the field of the permanent magnet.
Damping of the measuring elements is realized by damping cylinders resp. by external wiring and set to a value of approx. 0.6, resulting in a very linear characteristic over the entire frequency range.
Measurements below the resonance frequency can be made with corresponding corrections of the amplitude responses. In case of too high vibration amplitudes, mechanical limit stops reduce the maximum amplitude of the seismic systems.
The transducers PR9268/20x-100-RAD are designed for vertical and PR9268/30x-100-RAD for horizontal operation.

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