Articles and News

Traditional compressor monitoring has focused on velocity vibration and rod drop. Hardy provides two additional measurement techniques, Impact and Triangulated Rod Drop, that were developed especially for reciprocating compressors.

The vast majority of encoder users have a solid understanding of the type of encoder they need to accomplish their objective. What they don’t always know, at least without painful experience, are the major factors that need to be considered when specifying, installing, and interfacing with the encoders they select for their machine. This article will address those issues, primarily as they relate to rotary incremental optical encoders, though most of the concepts that follow apply to several encoder types.