The Bently Nevada 330500-02-04 is a high-performance piezo-velocity sensor designed for absolute casing vibration monitoring in industrial rotating machinery. As part of the 3300 Proximity Transducer System family, this Velomitor® sensor integrates solid-state piezoelectric technology with built-in electronics to deliver reliable, maintenance-free operation. It is ideal for critical applications in power generation, oil and gas, and heavy process industries where continuous machinery health assessment is essential.
Unlike conventional velocity transducers, the 330500-02-04 contains no moving parts. This design ensures long-term durability, eliminates mechanical wear, and supports installation in any orientation—horizontal, vertical, or inverted—without performance loss.
Key Technical Specifications
- Model Number: 330500-02-04
- Product Type: Velomitor® Piezo-Velocity Sensor
- Manufacturer: Bently Nevada (a Baker Hughes company)
- Output Signal: Velocity-proportional analog voltage (not 4–20 mA; note: correction from original text)
- Sensitivity: 3.94 mV/mm/s (±5%)
- Frequency Range: 10 Hz to 1,000 Hz (±3 dB)
- Peak Velocity Range: Up to 1270 mm/s (50 in/s)
- Transverse Sensitivity: <5%
- Amplitude Linearity: ±2%
- Output Impedance: <2400 Ω
- Mounting: M8×1 male thread
- Cable: Integral, shielded, polyurethane-jacketed
- Hazardous Area Certification: CSA / ATEX compliant
- Operating Temperature: –40°C to +120°C (standard version)
- Weight: 0.14 kg
- Dimensions: 75 mm × 24 mm × 24 mm (L×W×H)
- Country of Origin: USA
- Availability: Brand new, in stock, active product (not discontinued)
- Minimum Order Quantity (MOQ): 1 unit
- HS Code: 8537101190
Typical Applications
This sensor is commonly deployed on steam and gas turbines, centrifugal compressors, pumps, motors, and gearboxes. Its robust construction and wide dynamic range make it suitable for both machinery protection and condition monitoring systems that comply with API 670 standards.
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