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Product Overview
The Bently Nevada 330500-01-04 Velomitor Piezoelectric Velocity Sensor is a high-precision, industrial-grade sensor designed for continuous vibration monitoring of critical rotating machinery. As part of the trusted Bently Nevada Velomitor Series, this sensor converts mechanical vibrations into an electrical signal proportional to velocity, providing reliable condition monitoring for motors, pumps, compressors, turbines, and other rotating equipment.
Utilizing advanced piezoelectric sensing technology, the 330500-01-04 offers superior measurement accuracy, excellent frequency response, and outstanding durability in harsh environments. This sensor plays a critical role in machinery protection and predictive maintenance programs, helping operators detect faults, avoid unplanned downtime, and extend equipment life.
Key Features
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Piezoelectric design for accurate velocity measurement of rotating machinery
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Factory-calibrated for consistent and precise vibration monitoring
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Compact, rugged stainless-steel housing for harsh industrial environments
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Wide frequency response suitable for machinery condition monitoring
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High immunity to electrical noise and electromagnetic interference (EMI)
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Operates reliably in extreme temperatures and high-vibration environments
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Compatible with Bently Nevada monitoring systems, including 3500 series
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Corrosion-resistant materials for long-term operation in industrial plants
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Direct output proportional to velocity, simplifying data interpretation
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Easy installation with robust mounting hardware options
Technical Specifications
| Parameter | Description |
|---|---|
| Product Name | Bently Nevada Velomitor Piezoelectric Velocity Sensor |
| Model Number | 330500-01-04 |
| Sensor Type | Piezoelectric Velocity Sensor |
| Measurement Output | Vibration Velocity (mm/s or in/s, RMS) |
| Sensitivity | 4.0 mV/mm/s (100 mV/in/s) nominal |
| Frequency Response (±3 dB) | 4.5 Hz to 5 kHz |
| Dynamic Range | ±50 g peak |
| Transverse Sensitivity | Less than 5% of primary axis sensitivity |
| Electrical Isolation | Case isolated, >100 MΩ at 500 VDC |
| Operating Voltage | 18 to 30 VDC |
| Output Impedance | Less than 100 Ohms |
| Temperature Range (Operating) | -40°C to +121°C |
| Humidity Range | 95% Non-condensing |
| Housing Material | Stainless Steel |
| Connector Type | MIL-C-5015 2-pin connector (integral cable optional) |
| Mounting Type | 1/4-28 UNF tapped hole or adhesive base options |
| Dimensions | Diameter 25.3 mm |
| Weight | 0.142kg |
| Certifications | CE, RoHS, ATEX/IECEx options available (contact factory) |
Product Advantages
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High Measurement Accuracy: Piezoelectric sensing provides reliable, precise velocity output for effective vibration monitoring
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Robust Industrial Design: Stainless-steel construction resists corrosion, impact, and harsh environmental conditions
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Wide Frequency Range: Capable of detecting a broad range of vibration frequencies relevant to rotating machinery health
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Electrical Noise Immunity: Built-in shielding and electrical isolation ensure stable signal transmission, even in high-EMI environments
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Compact and Lightweight: Small form factor allows for flexible installation on machinery with space constraints
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Factory-Calibrated Performance: Ensures consistent measurement accuracy across production batches
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Global Compliance: CE, RoHS, and optional hazardous area certifications ensure suitability for worldwide deployment
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Minimal Maintenance Requirements: Solid-state piezoelectric technology provides long operational life with little maintenance
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Easy System Integration: Compatible with Bently Nevada vibration monitoring systems, enabling seamless condition monitoring solutions
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Supports Predictive Maintenance: Early detection of abnormal vibration prevents costly unplanned downtime and equipment damage
Industry Applications
The Bently Nevada 330500-01-04 Velomitor Piezoelectric Velocity Sensor is widely deployed across industries that require continuous monitoring of machinery health, including:
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Power Generation: Monitoring turbines, generators, and auxiliary equipment for early fault detection
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Oil and Gas: Continuous vibration measurement on compressors, pumps, and motors in upstream, midstream, and downstream operations
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Petrochemical and Refining: Machinery protection for pumps, fans, and critical rotating assets in chemical plants and refineries
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Manufacturing and Assembly: Vibration monitoring on production equipment, conveyors, and rotating machinery
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Metals and Mining: Protection of crushers, mills, and heavy equipment in demanding industrial environments
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Water and Wastewater Treatment: Ensuring operational reliability of pumps and motors in treatment facilities
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Marine and Offshore: Vibration detection on engines, propulsion systems, and critical rotating assets in ships and offshore platforms
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Pulp and Paper Industry: Monitoring rollers, motors, and rotating equipment in paper mills
Frequently Asked Questions (FAQ)
Q1: What does the Velomitor sensor measure?
The 330500-01-04 measures vibration velocity, providing a signal proportional to the vibration levels of rotating equipment.
Q2: What technology does the sensor use?
It uses advanced piezoelectric sensing technology for accurate and reliable velocity measurement.
Q3: Is this sensor suitable for high-vibration environments?
Yes, its rugged construction and wide dynamic range make it ideal for demanding, high-vibration industrial settings.
Q4: Can the sensor operate in extreme temperatures?
Yes, it operates within a temperature range of -40°C to +121°C, suitable for most industrial environments.
Q5: How does the sensor handle electrical interference?
The sensor features electrical isolation and robust shielding to minimize the effects of EMI on the measurement signal.
Q6: What monitoring systems is the sensor compatible with?
It integrates seamlessly with Bently Nevada systems, including the popular 3500 Series monitoring platform.
Q7: Does the sensor require frequent maintenance?
No, the solid-state piezoelectric design ensures long-term, low-maintenance operation.
Q8: How is the sensor mounted?
It can be mounted via a 1/4-28 UNF tapped hole or with adhesive mounting bases, depending on the application.
Q9: Is the sensor certified for hazardous areas?
ATEX and IECEx certified versions are available; contact the manufacturer for details on hazardous area approvals.
Q10: Can the sensor detect a wide range of vibration frequencies?
Yes, its frequency response range of 4.5 Hz to 5 kHz covers most critical vibration signatures for machinery health monitoring.
Recommended Related Models
| Model Number | Description |
|---|---|
| 330500-01-05 | Velomitor Velocity Sensor, Alternate Configuration |
| 330500-01-00 | Standard Velomitor Piezoelectric Velocity Sensor |
| 330505-02-12-10-02-00 | Industrial Accelerometer for Harsh Environments |
| 330400-02-12-10-02-00 | Velomitor Piezoelectric Velocity Sensor with Integrated Cable |
| 330750-00-50-50-01 | Bently Nevada Accelerometer for Machinery Protection |
| 330101-00-08-10-02-05 | 3300 XL 8mm Proximity Probe for Shaft Vibration Monitoring |
Popular Bently Nevada Monitoring Products
| Model Number | Description |
|---|---|
| 3500/22M-01-01-00 | Bently Nevada 3500 Series System Interface Module |
| 3500/42M-01-00 | 3500 Series Vibration Monitoring Module |
| 330180-91-05 143945-01 | 3300 XL 8mm Proximitor Sensor for Shaft Monitoring |
| 330130-040-00-00 | Bently Nevada 3300 XL Extension Cable |
| 3500/15-05-05-00 | 3500 Series Power Supply Module |
| 330104-00-05-10-02-00 | 3300 XL 8mm Proximity Probe, 5 Meter Cable |
