330508 Velocity Sensor 330505-02-02-06 Bently Nevada

Overview

The Bently Nevada 330505-02-02-06 Low Frequency Velocity Sensor provides precise vibration monitoring at a 90° ±5° orientation. Built with a hermetic stainless-steel enclosure, it excels in demanding industrial settings.

Key Performance

• Sensitivity: 20 mV/mm/s (508 mV/in/s) ±10%
• Frequency Response: 0.5–1000 Hz (±3 dB); 1–200 Hz (±0.9 dB)
• Velocity Range: up to 102 mm/s (4 in/s) peak
• Self-Resonant Frequency: 6000 Hz

Electrical & Durability

• Output Bias Voltage: –12 VDC ±1 V
• Insulation Resistance: > 100 MΩ at 50 VDC
• Maximum Cable Length: 305 m (1000 ft) without signal loss
• Shock Survivability: 981 m/s² (100 g) peak
• Step Response: < 1 ms
• MTBF: 150 000 hours at 50 °C

Mechanical Details

• Mounting Thread: 3/8-24 UNF-2B
• Mounting Adapter: 5/8-18 UNF (option 06)
• Case Material: 300-series stainless steel
• Connector: 2-pin Mil-C-5015 hermetic
• Weight: < 375 g (13.2 oz)
• Max Torque: 46 kg·cm (40 in·lb)

Environmental Specs

• Operating Temp: –40 °C to +100 °C
• Humidity: 0–100% non-submerged
• Shelf Life: 1 year
• Calibration Interval: 12 months
• Polarity: Pin A positive when velocity from base to top