Reciprocating Machinery Protector from PCB Piezotronics

PCB Piezotronics Inc., IMI Sensors Div.

The Model 649A01 from IMI Sensors Div., PCB Piezotronics Inc., Depew, NY, is a 2-wire, loop-powered 4–20 mA transmitter that detects impacts from mechanical shock events to monitor reciprocating machinery. Field-programmable features include the ability to customize each installation point and tailor the output to suit their application. The reciprocating machinery protector detects common reciprocating compressor faults, such as loose or broken bolts, cracked connecting rods, and scoring in the cylinder.