Bently Nevada 330525-00 Velomitor XA Piezo Velocity Sensor Industrial Monitoring

Description

Product Introduction

• Brand: Bently Nevada
• Model: 330525-00
• Series: 330525 Velomitor XA
• This sensor measures machine vibration velocity directly.
• It uses piezo technology for stable long-term signals.
• The housing resists corrosion and harsh environments.
• It fits continuous monitoring and protection systems.

Description

• The Velomitor XA sensor outputs true velocity signals.
• It works without external integration circuits.
• The design reduces noise and signal drift.
• Case isolation improves electrical immunity.

Technical Data

• Measurement Range: Peak velocity up to 1270 mm/s.
• Frequency Response: 4.5 to 2000 Hz at 3.0 dB.
• Sensitivity: 3.94 mV/mm/s with ±5% tolerance.
• Linearity: 2% up to 152 mm/s peak.
• Resolution: Low noise floor at 0.004 mm/s nominal.
• Resonant Frequency: Above 12 kHz when mounted.
• Transverse Sensitivity: Less than 5%.
• Dynamic Impedance: Below 2400 ohms.
• Output Bias: Stable under temperature change.

Electrical Characteristics

• Supply Voltage: -22 to -30 VDC.
• Current Bias: 2.5 to 6.0 mA.
• Polarity: Pin A positive when moving toward connector.
• Connector: 2-pin Mil-C-26482 sealed type.

Mechanical and Environmental

• Material: 316L stainless steel.
• Diameter: 28 mm.
• Height: 73.1 mm.
• Weight: 156 g.
• Mounting Torque: Up to 45 N·m.
• Cable Length: Up to 305 meters.
• Grounding: Case isolated design.

Installation Guide

• Mount the sensor on clean, flat surfaces.
• Apply correct torque to ensure resonance control.
• Avoid sharp cable bends below 1.5 inches radius.
• Align the axis with vibration direction.

Commissioning and Maintenance

• No field calibration is required.
• Check bias voltage during startup.
• Inspect connectors during planned shutdowns.
• Stainless housing reduces maintenance effort.

Compatibility

• Works with Bently Nevada monitoring systems.
• Supports standard velocity signal inputs.
• Fits retrofit and new installations.

Certifications and Compliance

• Agency approval option: None required.
• Designed for industrial automation standards.

Packaging and Warranty

• One Velomitor XA sensor unit.
• Factory sealed protective packaging.
• Warranty: 12 months.
• Shipping via FedEx, UPS, or DHL.

Typical Applications

• Steam and gas turbines.
• Compressors and pumps.
• Motors and generators.
• Critical rotating machinery.

Diagnostic Capability

• Detects imbalance and misalignment.
• Identifies bearing wear early.
• Supports trend and alarm analysis.

FAQ

• What signal does this sensor output
• It outputs a direct velocity signal.
• Can it replace older velocity probes
• Yes, it fits most legacy mounting points.
• Is it suitable for high vibration levels
• Yes, it supports very high peak velocity.
• How to choose the right velocity sensor
• Select by frequency range and machine speed.
• Does cable length affect performance
• Long cables are supported with low signal loss.

Buying Guide

• Choose velocity sensors for low-frequency machines.
• Verify sensitivity matches your monitor input.
• Check environmental resistance needs.
• Confirm connector type before ordering.

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