Bently Nevada 330500-06-02 330500 Velomitor Piezo-velocity Sensor Item NO.: 2790915

Manufacturer：Bently Nevada
Product Model：330500-06-02
Product Parameters：330500 Velomitor Piezo-velocity Sensor
Country of origin：USA
Core Performance
●ATEX-Certified Safety: -02 suffix meets European explosive atmosphere standards (Ex ia IC T4) with installation per dwg 167537.
●Temperature Resilience: Maintains +5% sensitivity despite -14% to +7.5% thermal drift across operating range.
●High-Speed Detection: Captures transient events up to 12 kHz resonant frequency with 0.004 mm/s noise floor.
Model Variant Details
●-06: 5/8-18 UNF threaded mount (24-40 in-lb torque range) for vibration-prone environments.
●-02: ATEX/IECEx certification valid for -40°C to 100°C ambient temperatures in hazardous zones.
Advanced Specifications
●Signal Integrity: 2,4002 dynamic impedance and -12+3VDC bias ensure stable output across 305m cables.
●Environmental Immunity: Withstands 5,000g shocks and 50 Gauss magnetic fields without signal distortion.
●Precision Metrics: 0.005 in/s per mstrain base strain sensitivity enables micro-vibration detection.
Compact Engineering
●Rugged 316L stainless steel housing: 25.3mm diameter x 63.2mm height
●Hermetic MiI-C-5015 connector rated for 100% humidity non-submerged operation

The Bently Nevada 330500-06-02, part of the 330500 Velomitor series, is a high-precision piezoelectric velocity sensor designed specifically for rotating machinery vibration monitoring. Its core function is to measure the absolute vibration velocity (relative to the free surface) of bearing housings, equipment casings, or structural components. Based on the piezoelectric effect, this sensor integrates a specialized integrator circuit with a traditional piezoelectric accelerometer to directly output a standardized voltage signal proportional to the vibration velocity, eliminating the need for additional signal conversion equipment for integration into monitoring systems.
Its crystal circuit design with no moving parts fundamentally eliminates mechanical wear and performance degradation. Its sealed 316L stainless steel housing and triple-proofing treatment ensure long-term stable operation in harsh industrial environments such as high temperature, dust, and salt spray. The "06" in the model number represents a 5/8 - 18 UNF mounting thread, while the "02" corresponds to CENELEC certification standards, adapting to specific installation scenarios and compliance requirements. As a key component for industrial equipment condition monitoring, it can capture potential fault signals such as bearing wear, imbalance, and misalignment in advance, providing data support for predictive maintenance. It widely serves industries that rely on large rotating machinery, such as power generation, petrochemicals, and metallurgy, and serves as a "fault warning sentinel" to ensure the continuous operation of equipment.

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