Bently Nevada 330881-28-06-155-03-02 PROXPAC XL Proximity Transducer 8mm

Product Overview

• Bently Nevada 330881-28-06-155-03-02 PROXPAC XL Proximity Transducer is a complete shaft vibration sensing package.
• Built for rotating equipment protection and condition monitoring.
• Integrated probe, cable, and housing for fast installation.
• Designed for harsh industrial environments.
• Stable signal output and strong noise resistance.
• Supports multi-region hazardous area approvals.
• Works with Bently Nevada monitoring systems.
• Series link:
  PROXPAC XL Proximity Transducer

Configuration Breakdown

• Model: 330881-28-06-155-03-02
• Brand → Bently Nevada
• Product Type → PROXPAC XL Proximity Transducer
• Probe Option → 28 → 3300 XL 8 mm probe with multiple approvals
• Standoff Adapter → 06 → 60 mm
• Probe Penetration → 155 → 155 mm
• Fittings → 03 → One M20 fitting and two plugs
• Mount Thread → 02 → 3/4-14 NPT
• Total Weight → 1.44 kg
• Origin → Made in U.S.A

Core Technical Specifications

• Brand → Bently Nevada
• Model → 330881-28-06-155-03-02
• Probe Diameter → 8 mm
• Measurement Range → 2 mm linear range
• Usable Gap → 0.25 to 2.3 mm
• Recommended Gap → 1.27 mm
• Sensitivity → 7.87 V/mm ±5%
• Frequency Response → 0 to 10 kHz
• Linearity → Less than ±0.025 mm
• Resolution → Supports 0.25 mm measurement increments
• Output Resistance → 50 Ω
• Supply Voltage → −17.5 to −26 Vdc
• Max Current → 12 mA
• Supply Sensitivity → Less than 2 mV per volt change
• Minimum Target → 15.2 mm diameter
• Minimum Shaft → 50.8 mm diameter

Environmental and Mechanical Ratings

• Probe Temperature → −51°C to +177°C
• Seal risk below −34°C
• Protection Level → IP66
• Impact Strength → Up to 7 Joule tested
• Probe Tip → PPS material
• Probe Case → AISI 304 stainless steel
• Cable → 75 Ω triax with FEP insulation
• Connector → Gold plated ClickLoc type
• Housing → UV resistant PPS
• Isolation → Extra soft silicone support

Anti-Interference Performance

• Triax cable design reduces EMI noise.
• Stable signal over long cable runs.
• Supports wiring up to 305 meters.
• Shielded wiring recommended.
• Suitable for high interference zones.

Installation Guide

• Use 3/4-14 NPT thread with standoff adapter.
• Set probe gap near 1.27 mm.
• Ensure target size meets minimum spec.
• Use correct torque during mounting.
• Retaining nut torque → 29.5 N·m.
• Locknut torque → 39.3 N·m.
• Use shielded triax field cable.

Commissioning and Maintenance

• ClickLoc connector allows fast replacement.
• No complex setup tools required.
• High interchangeability reduces tuning time.
• Stable scale factor lowers recalibration need.
• Modular structure supports quick service.

Compatibility

• Compatible with Bently Nevada 3300 XL systems.
• Works with standard vibration monitors.
• Fits condition monitoring platforms.
• Supports full
  PROXPAC XL Proximity Transducer
  accessory range.

Certifications and Approvals

• Multiple hazardous area approvals.
• BASEEFA verified IP66 rating.
• Low and high temperature impact tested.
• CSA impact verification completed.

Typical Applications

• Turbine vibration monitoring.
• Compressor shaft position tracking.
• Pump and motor protection.
• High speed rotor supervision.
• Predictive maintenance systems.

Diagnostic Capabilities

• Detects shaft vibration change.
• Measures displacement drift.
• Helps find imbalance early.
• Supports alignment diagnostics.
• Improves shutdown decisions.

Packing List

• 1 × Complete transducer assembly.
• Integrated probe and cable.
• Housing with fittings and plugs.
• Factory identification labels.

Warranty and Shipping

• 12 months warranty after shipment.
• Worldwide delivery available.
• Courier options → FedEx, UPS, DHL.
• Industrial export packing used.

FAQ

• How do I set the probe gap?
• Use a feeler gauge and set near 1.27 mm.
• Can I extend the cable length?
• Yes, up to 305 meters with shielded cable.
• What if supply voltage is too high?
• Linear range may decrease.
• Is it suitable for hazardous areas?
• Yes, it has multiple approvals.
• How often should I check calibration?
• Check during major maintenance stops.
• Which target surface works best?
• Clean metal surfaces give best signal.
• How to choose penetration length?
• Match probe length to bracket thickness.

Selection Guidance

• Confirm probe diameter first.
• Check required measurement range.
• Match cable length to cabinet distance.
• Verify approval needs for site rules.
• Select correct conduit fittings.

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