330505-02-02-02-00 | Bently Nevada | Low Frequency Velocity Sensor

Description

The Bently Nevada 330505-02-02-02-00 is a low-frequency velocity sensor engineered for measuring absolute vibration in slow-speed machinery such as hydro turbines. It is ideal for applications where proximity probes are ineffective, offering reliable performance in harsh industrial environments.

Specifications

• Model Number: 330505-02-02-02-00
• Measurement Type: Absolute vibration velocity
• Technology: Two-wire moving-coil with built-in signal conditioning
• Sensitivity: 20 mV/mm/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
• Linearity: ±3% up to 102 mm/s
• Output Voltage: –12 ±1 VDC bias, proportional to velocity
• Max Cable Length: 305 m (1000 ft) with 3500/46M monitor
• Operating Temperature: –40°C to +100°C
• Shock Resistance: 981 m/s² (100 g) peak
• Humidity: 100% non-submerged, hermetically sealed
• Mounting: Suitable for stator frames and bearing housings
• Case Material: 300 series stainless steel
• Dimensions: 88.9 mm × 117 mm × 241 mm
• Weight: Approx. 0.35 kg
• Warranty: 1 year standard