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Edward Lowton
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Low frequency vibration sensor
31 January 2016
To measure vibration on slow speed rotating machinery (typically, less than 300rpm) and plant, condition monitoring specialist, Sensonics, has developed the VEL/GLF, a new low frequency velocity vibration sensor.
The VEL/GLF is an electro dynamic sensor which offers a superior performance compared to piezo-electric devices by combining high measurement sensitivity with a frequency response down to 0.5Hz and is therefore suited to measuring velocity vibration on equipment with 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.
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