Piezo-velocity Sensor | 330500-04-02 Bently Nevada

Bently Nevada 330500-04-02 Velomitor Sensor: Advanced Hazardous Area Solution

Engineered with 1/4-20 UNC thread mounting (-04) and ATEX/IECEx approval (-02). Full model identification: 330500-04-02 for explosive atmosphere monitoring.

Critical Performance Enhancements

• 5kHz Broadband Capture | ±3dB accuracy from 4.5Hz
• Ultra-Low Noise 0.004mm/s RMS at max frequency range
• 316L Steel Housing with 5,000g shock resistance rating

Specialized Mounting Features

◼ UNC threading withstands 24-40 in-lb torque
◼ Hermetic seal maintains 100% humidity tolerance
◼ MIL-C-5015 connector survives salt spray (per DNV marine certs)

Certification Highlights

✔ Dual Zone 0/1 Approval: Ex ia IIC T4 & AEx ia IIC T4
✔ Class I Div 1 Groups A-D (Methane/Hydrogen safe)
✔ DNV GL Offshore Standard compliance
✔ RoHS 3 (2015/863/EU) compliant

Extended Technical Parameters

• Magnetic interference: <50 μin/s at 50 Gauss AC fields
• Base strain limit: 0.005 in/s per millistrain deformation
• 305m signal integrity with 02173006-series cables
• -12VDC ±3V bias voltage stability across temp range

Environmental Durability

◼ Operational from -67°F to +250°F (-55°C to +121°C)
◼ 100% condensing humidity endurance
◼ 12kHz+ mounted resonance frequency