Bently Nevada 330500-02-CN Velomitor Piezo-velocity Sensor

Description

330500-02-CN: Bently Nevada Velomitor Piezo-velocity sensor, configured with an M8x1 mounting thread adapter (Option 02) and China hazardous area approval package (-CN). This piezoelectric accelerometer is designed for measuring absolute casing or structural vibration on rotating machinery. The device incorporates solid-state, integrated electronics within a durable, hermetically sealed 316L stainless steel housing, ensuring long-term reliability without mechanical degradation or wear.

The 330500 series is engineered to provide continuous vibration monitoring for bearing housings and machine casings. As a non-contact, integrated sensor, it eliminates the need for external signal conditioners in many applications, simplifying installation and reducing wiring complexity. The -CN suffix indicates this unit is equipped for deployment in hazardous areas within China, meeting specific local certification requirements. With no moving parts, the sensor supports versatile mounting orientations, including vertical, horizontal, or angled positions, provided it is installed firmly against the machine surface to prevent false signal generation.

Features

• M8x1 mounting thread adapter (Option 02) for standardized connection to machine casings.
• China hazardous area approval package (-CN) for regulatory compliance in Chinese industrial environments.
• Piezo-velocity sensor technology with integrated electronics for direct output of vibration velocity.
• Solid-state, wear-free design with no moving parts to prevent mechanical degradation.
• Hermetically sealed 316L stainless steel case for protection against harsh industrial environments.
• Compatible with standard Bently Nevada monitoring systems for casing vibration and bearing health.
• Flexible mounting orientation; supports vertical, horizontal, or angled installation.

Applications

• Absolute vibration monitoring for bearing housings, casings, and machine structures.
• Power generation and industrial rotating machinery protection.
• Petrochemical and oil and gas sector monitoring.
• General industrial vibration analysis where high-frequency casing signals require measurement.

Ordering Information

Technical Specifications

Installation Guidelines

Ensure the sensor is mounted directly on the bearing housing or machine casing to maintain high-frequency signal integrity. Improper installation or loose mounting may reduce amplitude response and generate false signals. Use a torque of 32-46 kg cm (24-40 in-lb) when installing the sensor. For hazardous area installations, ensure all wiring practices adhere to the relevant safety guidelines and local regulatory codes provided for the -CN certification package.

Compliance and Certifications

• China Hazardous Area Approval Package (-CN)
• EMC Directive 2014/30/EU
• RoHS Directive 2011/65/EU
• ABS Marine Vessels compliance