Accelerometers for Low-Speed Machine Vibration Measurement
G-TECH Insights Newsletter: 2016-02-01
On this edition of the G-TECH Insights Newsletter, we discuss low-speed machine vibration measurement using Wilcoxon's LF series of accelerometers and how to install an accelerometer.
Low-speed Machine Vibration Measurement
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Wilcoxon Research, Inc. manufactures the LF series accelerometers, which provide a well-defined low frequency signal that displays excellent performance. The accelerometers can measure frequencies down to 0.1Hz (6CPM) and can be used to measure low-speed machinery such as wind turbines, cooling tower fans, and low-speed gearboxes. Recommended model: 786LF
How to Install an Accelerometer
When installing an accelerometer, in addition to convenience, the bandwidth factor should also be considered. Because different installation methods will affect the measurement bandwidth of the accelerometer, it is necessary to consider the measurement bandwidth requirements and choose the appropriate installation method during installation. The following diagram shows the effective measurement bandwidth of the accelerometer with six methods—the top bar contact method, the wax attachment method, the magnetic mount method, and the bolt directly mounted on the test object.