The model 353b33 from pcb piezoelectronics, inc, usa, is a quartz shear icp accelerometer designed for general purpose measurements. The quartz shear mode sensing elements reduce sensitivity to adverse environmental inputs, such as thermal transients, base strain, and transverse motion. It has a sensitivity of 100 mv/g. And its frequency range of 1 to 4,000 hz [â±5%] makes this sensor an ideal candidate for vibration measurements in compressors, motors, pumps, and other general vibration tests.