Bently Nevada 330500-00-20 Velomitor Piezo-velocity Sensor

Overview

The Bently Nevada 330500-00-20 Velomitor is a high-performance piezo-velocity sensor designed for accurate vibration measurement in industrial machinery. Its robust construction and exceptional sensitivity make it suitable for a variety of applications in machinery condition monitoring.

Features

• Construction: Made of 316L stainless steel for durability and resistance to corrosive environments.
• Sensitivity: 3.94 mV/mm/s (100 mV/in/s) ±5%.
• Frequency Response: Wide range from 4.5 Hz to 5 kHz with ±3.0 dB variation.
• Environmental Resilience: Operating temperature range of -55°C to 121°C (-67°F to 250°F) and shock survivability up to 5,000 g peak.
• Isolation: Hermetically sealed case, ensuring reliability even in high humidity (up to 100% non-submerged).

Technical Specifications

• Brand: Bently Nevada
• Model: 330500-00-20
• Product Type: Velomitor Piezo-velocity Sensor
• Mounting Torque: 32-46 kg cm (24-40 in-lb) max.
• Connector: 2-pin Mil-C-5015 hermetically sealed 316L stainless steel shell.
• Dimensions: Height: 63.2 mm (2.49 in), Diameter: 25.3 mm (0.995 in).
• Weight: 142 grams (5.0 oz) typical.
• Velocity Range: Up to 1,270 mm/s (50 in/s) peak.
• Output Bias Voltage: -12 ±3.0 VDC, over temperature referenced to Pin A.
• Dynamic Output Impedance: Less than 2400 Ω.
• Broadband Noise Floor: 0.004 mm/s (160 μin/s) rms, nominal.
• Maximum Cable Length: 305 meters (1,000 feet) part number 02173006 without signal degradation.
• Transverse Sensitivity: Less than 5% of sensitivity.
• Amplitudinal Linearity: ±2% to 152 mm/s (6 in/s) peak.
• Mounted Resonant Frequency: Greater than 12 kHz.
• Magnetic Field Susceptibility: <51 µin/s/gauss (50 gauss, 50-60Hz).

For more detail information: 330500-Datasheet