Bently Nevada Velomitor Piezo-Velocity Sensor
Overview
The Bently Nevada 330500-03-02 is an ATEX-certified vibration sensor designed for hazardous industrial environments. With 3.94mV/mm/s sensitivity and a -55°C to +121°C operating range, it ensures precise monitoring in explosive gas zones. Its 1/4-28 UNF thread and 316L stainless steel construction deliver durability for oil/gas refineries, power turbines, and marine systems.
Core Specifications
- Brand/Model: Bently Nevada 330500-03-02
- Sensitivity: 3.94mV/mm/s ±5% @100Hz
- Velocity Range: 0.004–1270 mm/s peak
- Frequency Response: 4.5Hz–5kHz (±3dB)
- Operating Temp: -55°C to +121°C
Model Decoder
Base Model 330500
- Piezo-velocity technology
- 316L stainless steel case
Suffix -03-02
- -03: 1/4-28 UNF thread
- -02: ATEX Ex ia IIC T4
Technical Highlights
┌──────────────────────┬───────────────────────┐ │ Mounting Torque │ 24-40 in-lb │ │ Shock Resistance │ 5,000g peak │ │ Cable Compatibility │ 305m (P/N 02173006) │ │ Output Signal │ -12VDC ±3V (Pin A) │ └──────────────────────┴───────────────────────┘
Certification Matrix
| ATEX | II 1G Ex ia IIC T4 |
| IECEx | Ex ia IIC T4 |
| DNV | OS-E301 |
Industrial Applications
- Petrochemical processing plants
- Gas turbine monitoring systems
- Marine engine diagnostics










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