Product Overview – Bently Nevada 330450-60 Velomitor Sensor
- 330450-60 is a high-temperature vibration sensor from Bently Nevada.
- The device measures machine acceleration with stable and accurate output.
- It supports long cable transmission without signal loss.
- The sensor works well in harsh industrial environments.
- It handles extreme heat and heavy mechanical shock.
- The design uses a sealed stainless steel structure.
- Users gain reliable vibration data for predictive maintenance.
- The sensor integrates easily with monitoring systems.
- Typical installations include turbines, compressors, pumps, and motors.
- Velomitor technology ensures wide bandwidth and strong noise resistance.
Technical Specifications – 330450-60 Velomitor Series
- Brand: Bently Nevada
- Model: 330450-60
- Product Type: Industrial vibration acceleration sensor
- Sensitivity: 100 mV/g (10.2 mV/m/s²) ±5%
- Measurement Range: 0 to 80 g peak acceleration
- Frequency Response: 15 Hz to 10 kHz ±3 dB
- Extended Response: 40 Hz to 4 kHz ±5%
- Linearity: ±2% of full scale
- Noise Floor: 0.006 g RMS (10 Hz – 15 kHz)
- Transverse Sensitivity: Less than 5% of axial response
- Mounted Resonant Frequency: Above 15 kHz
- Maximum Cable Length: 305 meters without signal degradation
- Power Supply: −24 VDC ±0.5 V
- Bias Current: 2 mA nominal
- Output Bias Voltage: −12 VDC ±0.5 V
- Connector: 3-pin MIL-C-5015 sealed connector
- Housing Material: 300-series stainless steel
- Weight: 953 g (2.10 lb)
- Cable Length: 6 meters
- Minimum Bend Radius: 51 mm
Environmental Performance
- Electronic Housing Temperature: −55°C to +100°C
- Sensor and Cable Temperature: −55°C to +400°C
- Shock Resistance: Up to 2500 g peak impact
- Humidity Resistance: Up to 100% non-submerged
- Hermetically sealed case blocks dust and moisture.
- Strong design reduces electromagnetic interference.
- Stable operation in high vibration industrial zones.
Installation Guidelines
- Mount the sensor on a clean and rigid machine surface.
- Follow correct orientation for accurate measurement direction.
- Pin A becomes positive when force moves from base to top.
- Keep cable bend radius above 51 mm.
- Use approved intrinsically safe circuits in hazardous areas.
- Follow installation drawing 168078 for safe deployment.
Commissioning and Maintenance
- Verify power supply voltage before startup.
- Check connector integrity and grounding isolation.
- Confirm signal level through vibration monitoring system.
- Periodic inspection improves long-term reliability.
- Stainless housing reduces maintenance frequency.
System Compatibility
- Compatible with many Bently Nevada vibration monitoring systems.
- Works with machinery protection and condition monitoring platforms.
- Integrates with data acquisition and predictive maintenance software.
- Supports long cable installation across large plants.
Hazardous Area Certifications
- Ex ia IIC T4 intrinsically safe approval
- Class I Div 1 Groups A, B, C, D
- Class II Div 1 Groups E, F, G
- Class III Div 1
- Zone 2 approvals: Ex nL IIC T4 / Ex ec IIC T4
- Designed for explosive industrial atmospheres.
- Installation must follow intrinsic safety parameters.
Packing List
- 1 × Bently Nevada 330450-60 vibration sensor
- Factory protective packaging
- Product identification label
- Quality inspection verification
Warranty and Shipping
- 12-month warranty from shipment date.
- Careful packaging protects equipment during transport.
- Worldwide shipping available.
- Express carriers include FedEx, UPS, and DHL.
Typical Industrial Applications
- Steam and gas turbine monitoring
- Centrifugal compressors
- Industrial pumps and fans
- Gearbox vibration diagnostics
- High-temperature rotating machinery
- Oil and gas production equipment
Diagnostic Capabilities
- Detects early bearing wear and imbalance.
- Identifies misalignment and mechanical looseness.
- Tracks vibration trend for predictive maintenance.
- Improves plant safety and machine uptime.
FAQ – Selection and Operation
- What is the main function of the 330450-60 sensor?
- It measures machine acceleration and vibration levels.
- Can this sensor operate in high-temperature zones?
- Yes. The sensing head tolerates temperatures up to 400°C.
- What monitoring systems support this sensor?
- Most Bently Nevada vibration monitoring platforms support it.
- How long can the signal cable be?
- The sensor supports up to 305 meters cable length.
- What installation mistake occurs most often?
- Poor mounting surfaces reduce measurement accuracy.
- How should buyers select the correct model?
- Confirm cable length, temperature rating, and system compatibility.
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