Effective vibration monitoring for low-speed machines
23 January 2016
New from Sensonics is the VEL/GLF, a low frequency velocity vibration sensor, which combines high measurement sensitivity with a frequency response down to 0.5Hz, for vibration measurement on equipment rotataing at speeds below 300rpm.
The sensor offers a standard IEPE type interface to enable easy integration with existing plant protection and monitoring equipment. Furthermore, the VEL/GLF provides advantages over traditional piezo-electric based velocity vibration sensors which are susceptible to many forms of interference in low frequency applications that can result in spurious readings and alarms.
The VEL/GLF offers high noise immunity due to the low impedance electro dynamic nature of the sensor assembly. In addition to the filtering of high frequency events - and since no electronic integration is required - the design is immune to the saturation problems that impair the reliability of piezoelectric devices.
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