Bently Nevada Velomitor Piezo-Velocity Sensor
Overviwe
The Bently Nevada Velomitor Piezo-Velocity Sensor (330500-02-CN) delivers precision vibration monitoring for industrial machinery in extreme environments. Featuring a 316L stainless steel casing and -55°C to +121°C operating range, it supports global certifications like ATEX, CSA, and DNV for hazardous areas. With 3.94mV/mm/s sensitivity and 5kHz frequency response, it ensures reliable performance in oil/gas, power plants, and marine systems.
Technical Highlights
- Measurement Range: 0.004–1270 mm/s (peak)
- Sensitivity: 3.94mV/mm/s ±5% @100Hz
- Frequency Response: 4.5Hz–5kHz (±3dB), 6Hz–2.5kHz (±0.9dB)
- Temp Operation: -55°C to +121°C
- Shock Survival: 5,000g peak
Model Suffix Explanation (330500-02-CN)
▸ -02 : M8×1 mounting thread (ISO 262 metric standard)
▸ -CN : Country-specific certifications (e.g., China GB standards)
Model-Specific Configuration
▸ Certification: -CN country-specific approvals
▸ Connector: 2-pin Mil-C-5015 (316L stainless)
Certification Matrix
| Regional | Country-specific (-CN suffix) |
| General | FCC Part 15, EMC 2014/30/EU |
| Marine | DNV OS-E301/Ships/Offshore |
| Safety | RoHS 2011/65/EU |
Mechanical Profile
┌──────────────────────┬──────────────────────────┐ │ Hermetic Sealing │ IP68-grade 316L steel │ │ Weight │ 142g (5oz) compact design│ │ Cable Support │ 305m with PN 02173006 │ │ Base Strain Rejection│ 0.127 mm/s/mstrain │ └──────────────────────┴──────────────────────────┘
Industrial Applications
- Petrochemical plant compressors
- Coal-fired power turbine monitoring
- High-speed rail bearing diagnostics










Marcus Thompson –
Just installed the Bently Nevada 330500 Velomitor sensor in our oil refinery’s compressor system, and the results are stellar! The sensor arrived brand-new, sealed, and ahead of schedule – kudos to the team for the rapid shipping. Setup was seamless thanks to their detailed documentation and responsive support. The accuracy of vibration data has improved our predictive maintenance drastically, reducing downtime. Highly recommend this sensor for heavy industrial applications. Professional service from start to finish!
Vanessa Walters –
The Bently Nevada 330500 Velomitor sensor arrived brand new and exceeded expectations. We needed immediate vibration monitoring for a failing compressor at our Arizona natural gas facility. The team shipped it overnight and provided step-by-step installation support. The sensor’s piezo-velocity technology detected subtle imbalances we’d overlooked, preventing a costly shutdown. Their engineers even shared calibration tips specific to high-temperature environments. Professional service, flawless execution, and a product that delivers actionable insights. A game-changer for heavy industrial applications!