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Product Introduction
The Bently Nevada 330500-00-02 Velomitor Piezo-Velocity Sensor is a robust, solid-state vibration sensor designed for industrial machinery monitoring. Utilizing integrated piezoelectric technology, it accurately measures absolute bearing housing, casing, or structural vibrations. Its design eliminates moving parts, enhancing durability and reliability in harsh environments.
Product Specifications
| Parameter | Details |
| Model Number | 330500-00-02 |
| Sensor Type | Piezoelectric Velocity Sensor |
| Sensitivity | 3.94 mV/mm/s (100 mV/in/s) ±5% |
| Frequency Range | 4.5 Hz to 5 kHz ±3.0 dB or 6.0 Hz to 2.5 kHz ±0.9 dB |
| Output Signal | Voltage (proportional to velocity) |
| Power Supply | Self-powered (two-wire system) |
| Mounting Thread | M8 x 1 |
| Mounting Torque | 46 kg·cm (40 in-lb) max |
| Connector Type | 2-pin MIL-C-5015, hermetically sealed |
| Housing Material | 316L Stainless Steel |
| Operating Temperature | -40°C to +125°C (-40°F to +257°F) |
| Dimensions | Height: 63.2 mm (2.49 in); Diameter: 25.3 mm (0.995 in) |
| Weight | 0.142 kg (0.31 lb) |
| Approvals | CSA, ATEX, IECEx |
Product Applications
The 330500-00-02 sensor is ideal for monitoring:
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Rotating machinery with rolling-element bearings
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Pumps, compressors, motors, and turbines
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Bearing housing and casing vibrations
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Structural health monitoring
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Predictive maintenance programs
Product Advantages
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Solid-State Design: Eliminates mechanical degradation and wear.
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Wide Frequency Range: Captures a broad spectrum of vibration data.
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High Sensitivity: Provides accurate velocity measurements.
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Durable Construction: 316L stainless steel housing resists corrosion.
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Hermetically Sealed: Ensures reliability in harsh environments.
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Easy Installation: Compact size and standard mounting threads.
Recent News Headlines
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“Bently Nevada Enhances Machinery Monitoring with Advanced Velomitor Sensors”
Published: March 2023 -
“Integration of Velomitor Sensors in Predictive Maintenance Strategies”
Published: January 2023
Frequently Asked Questions (FAQ)
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What is the primary function of the 330500-00-02 sensor?
It measures absolute vibration velocity of bearing housings and machine casings. -
Is the sensor suitable for high-temperature environments?
Yes, it operates effectively between -40°C and +125°C. -
Does it require an external power source?
No, it’s a self-powered two-wire system. -
Can it be used in hazardous locations?
Yes, it has CSA, ATEX, and IECEx approvals for such environments. -
What is the output signal type?
It provides a voltage output proportional to vibration velocity. -
How is the sensor mounted?
Using an M8 x 1 threaded stud with a maximum torque of 46 kg·cm. -
What materials are used in its construction?
The housing is made of 316L stainless steel for durability. -
Is the sensor hermetically sealed?
Yes, ensuring protection against environmental contaminants. -
What is the sensor’s weight?
It weighs 0.142 kg (0.31 lb). -
Can it be integrated into existing monitoring systems?
Yes, it’s compatible with standard vibration monitoring equipment.
Related Models from Same Series or Function
| Model Number | Description | Type | Key Feature |
| 330500-02-00 | Velomitor Sensor, alternative sensitivity option | Piezo-Velocity Sensor | Different mounting and cable config |
| 330525-01-01 | High-temperature Velomitor | Piezo-Velocity Sensor | For high-temp industrial environments |
| 330750-01-00 | Low-frequency Velomitor | Velocity Sensor | Extended low-frequency response |
| 330450-02-00 | Seismic Velocity Sensor | Velocity Transducer | Suitable for seismic monitoring |
| 991-01-70-01-01 | Velocity Transducer with built-in cable | Electromagnetic Sensor | Easy installation |
| 330400-01-00 | Dual output velocity/acceleration sensor | Combo Sensor | Measures both velocity and acceleration |
| 330780-91-00 | Compact piezo velocity sensor | Compact Velocity Sensor | Space-saving design |
| 330425-02-05 | Piezo-accelerometer sensor for casing vibration | Accelerometer | High-frequency casing vibration analysis |
Popular Models from Bently Nevada
| Model Number | Description | Type | Application |
| 3300 XL 8mm (e.g., 330180-91-05) | Proximity Probe System | Proximitor Sensor | Shaft vibration and displacement |
| 3500/22M | Transient Data Interface Module | Monitoring System Module | Used in 3500 rack system |
| 3500/42M | Proximitor/Seismic Monitor Module | Monitoring System Module | Shaft vibration, casing, seismic |
| 330103-00-05-10-02-00 | Proximity Probe | Proximity Probe | Standard eddy current probe |
| 330930-065-02-00 | Proximitor Extension Cable | Extension Cable | Used with 3300 XL sensors |
| 991-25-50-01-01 | Velocity Transducer | Velocity Sensor | Heavy-duty industrial applications |
| 3500/15 | Power Supply Module | Power Module | Redundant rack power |
| 146031-01 | Cables and Connectors for proximity systems | Accessories | Connection reliability enhancement |
