Product Details: Bently Nevada 90192-04 is an industrial piezoelectric accelerometer used for absolute casing vibration measurement of rotating machinery. This Piezoelectric Vibration Transducer converts mechanical vibration acceleration into charge signal based on piezoelectric effect, and the signal can be sent to signal conditioner or rack monitoring module for vibration trend analysis and machinery protection. It adopts hermetically sealed stainless steel housing, which can resist oil, moisture, dust and mechanical shock in harsh power and petrochemical industrial environments. The sensor is equipped with integrated cable assembly, stable sensitivity and optimized frequency response to capture high-frequency vibration signals caused by bearing wear, gear meshing and component looseness. The accelerometer must be rigidly mounted on bearing housing or machine casing surface, and the sensitive axis needs to align with vibration measurement direction. Loose mounting will cause signal distortion and loss of high-frequency vibration data. Signal cables shall be laid separately from high-voltage power cables to reduce electromagnetic interference. Visual inspection of housing integrity, cable sheath and connector condition is required during equipment shutdown maintenance, and periodic calibration is recommended to maintain long-term measurement accuracy. Widely used in power generation, petrochemical and heavy industrial fields, this Casing Vibration Sensor monitors turbines, centrifugal compressors, generators, fans and pumps, supports predictive maintenance and early mechanical fault identification to reduce unplanned equipment downtime.

Core Attributes:

Brand: Bently Nevada

Model: 90192-04

Product Type: Piezoelectric Accelerometer

Measurement Principle: Piezoelectric effect

Housing: Hermetically sealed stainless steel

Application: Absolute casing vibration monitoring for rotating equipment

Features: Wide frequency response, high shock resistance, oil and moisture resistant, stable sensitivity, integrated cable design