Bently Nevada Velomitor Piezo-Velocity Sensor: Precision Vibration Measurement

Core Performance

• 3.94mV/mm/s sensitivity (±5%)
• 1270 mm/s peak velocity range
• Ultra-wide frequency response: 4.5Hz-5kHz
• Survives 5,000g shock impacts

Full Model Specifications

• Complete Part Number: 330500-07-CN
• Mounting Thread: 3/8-16 UNC
• Approvals: Country Specific (CN)
• Weight: 142g (5oz)
• Dimensions: Ø25.3mm x 63.2mm
• Case Material: 316L Stainless Steel

Advanced Technical Data

• Transverse Sensitivity: <5%
• Noise Floor: 0.004 mm/s rms
• Output Impedance: <2400Ω
• Bias Voltage: -12±3VDC
• Max Cable: 305m (1000ft)

Environmental Ratings

• Temperature: -55°C to +121°C
• Humidity: 100% non-submerged
• Magnetic Field: <51 min/s/gauss
• Hermetically Sealed Construction

Hazardous Area Certifications

• Ex ia IIC T4
• AEx ia IIC T4
• Class I Div 1 Groups A-D
• DNV Maritime Certified

Installation Guide

• Mounting Torque: 24-40 in-lb
• Polarity: Case motion toward connector = Pin A positive
• Optimal Cable Length: 63m (208ft)

Package & Support

• 1 x Velomitor Sensor
• 12-month warranty
• Global Shipping: FedEx/UPS/DHL

Technical FAQ

Q: What does "-CN" suffix mean?
A: Country-specific certifications for target markets.

Q: Can it measure high-frequency vibrations?
A: Yes, up to 12kHz mounted resonance.

Q: Is it waterproof?
A: Hermetically sealed for 100% humidity but not submerged use.

Model Comparison