Vibro-Meter velocity sensor
Meggitt Sensing Systems
Aug 11, 2011
Vibro-Meter velocity sensorThe Vibro-Meter product line offers a velocity sensor that works with all condition and health monitoring systems including the companyís VibroSight. Meggitt is the only system supplier with design and manufacturing control over its entire system, which now includes the new PV 102, a piezoelectric velocity sensor for vibration monitoring of turbomachinery and other rotating equipment. The PV 102 is a 100 mV/inch/second (3.94 mV/mm/s) piezoelectric velocity sensor. The uncertified version of the PV 102 has CE approval. The certified version of the PV 102 carries ATEX, IEC and CSA hazardous area certifications, which are commonly required in the nuclear and fossil power generation, oil and gas, and petrochemical industries.
The PV 102 is ideal for condition monitoring of motors, pumps, fans, compressors and turbines, including steam and gas (aeroderivative and frame) turbomachinery The PV 102 may be used to compliment proximity probes in a condition monitoring or protection system. The standard output of the PV 102 is fully compatible with systems currently employed in industrial environments, such as the VM 600 hardware with VibroSight Total Condition Monitoring software from the Vibro-Meter product line.
Where piezoelectric velocity sensors are installed, the PV 102 is a drop-in replacement including form, fit, function, wiring, and performance. The existing mounting and cabling can even be re-used if they are in good condition. However, the PV 102 has many advantages over current velocity sensors because of its superior design, better component materials, and time-tested manufacturing processes. The PV 102 has a lower noise floor to better resolve low vibration signals. The sensor is also tuned for band-pass flatness for improved repeatability. The sensitivity of the PV 102 is more stable with changing temperature, compared to previously-available velocity sensors. The PV 102 is the only velocity sensor of its kind to use 316L stainless steel with true hermetic sealing verified by helium leak testing.
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