Bently Nevada 330881-16-04-132-03-02 Proximity Transducer

Product Snapshot

• Bently Nevada 330881-16-04-132-03-02 is a compact vibration and position sensing unit.
• Type → PROXPAC XL Proximity Transducer
• Made in U.S.A.
• Built for rotating shafts and critical assets.
• Integrated probe, cable, and protection housing.
• High stability and low noise output.
• Easy mount and fast wiring.

Short Description

• Bently Nevada 330881-16-04-132-03-02 PROXPAC XL proximity sensor with 8 mm probe, 2 mm range, 10 kHz response, IP66 housing, for shaft vibration and position monitoring.

Model Tree and Option Structure

• Base Model → 330881
  • Probe Code → 16
    • 3300 XL 8 mm probe
    • Without hazardous approvals
  • Standoff Length → 04
    • B dimension → 40 mm
  • Penetration Length → 132
    • C dimension → 132 mm
  • Fittings → 03
    • One M20 fitting
    • Two sealing plugs
  • Mount Thread → 02
    • 3/4-14 NPT
    • Required with standoff adapter

Key Performance Highlights

• Linear range → 2 mm
• Frequency bandwidth → 0 to 10 kHz
• Sensitivity → 7.87 V/mm
• Linearity error → less than ±0.025 mm
• Gap start → about 0.25 mm from target
• Best gap → 1.27 mm
• Long cable support → 305 m max
• Strong EMI resistance with triax cable

Electrical Data

• Supply voltage → −17.5 to −26 Vdc
• With barrier → −23 to −26 Vdc
• Max current → 12 mA
• Output resistance → 50 Ω
• Supply drift → less than 2 mV per volt
• Signal span → about −1 to −17 Vdc
• Recommended wire → 3 core shielded triax
• Wire size → 16 to 24 AWG

Mechanical and Material Data

• Total weight → 1.44 kg
• Protection class → IP66 verified
• Probe tip → PPS
• Probe body → AISI 304 stainless steel
• Outer sleeve → AISI 303 stainless steel
• Housing → UV resistant PPS
• Connector → gold plated ClickLoc
• Cable → 1 m, 75 Ω triax, FEP insulated
• Tensile strength → 330 N max

Temperature and Environment Limits

• Probe operating temp → −51°C to +177°C
• Avoid seal stress below −34°C
• Impact tested → 4 to 7 Joule
• High and low temp impact certified
• Suitable for heavy vibration zones

Temperature Class Guide

• EPL Ga and Gc classes
  • T1 → up to +232°C ambient
  • T2 → up to +177°C ambient
  • T3 → up to +120°C ambient
  • T4 → up to +80°C ambient
  • T5 → up to +40°C ambient
• EPL Dc classes
  • T280°C → up to +232°C ambient
  • T225°C → up to +177°C ambient
  • T170°C → up to +120°C ambient
  • T130°C → up to +80°C ambient
  • T90°C → up to +40°C ambient

Installation Tips

• Use correct NPT thread port.
• Keep probe face clean and flat.
• Do not bend cable near probe head.
• Set gap before final lock.
• Nut torque → 29.5 N·m.
• Locknut torque → 39.3 N·m.

Service and Usability Benefits

• Plug type connector speeds replacement.
• Prebuilt housing saves panel time.
• No special tools for daily checks.
• Wide tolerance helps spare swap.
• Stable scale factor reduces tuning work.

Application Fit

• Steam turbine shaft monitoring.
• Gas compressor vibration control.
• Large motor position feedback.
• Process pump protection.
• Condition monitoring upgrades.

What You Receive

• 1 × full PROXPAC XL Proximity Transducer assembly
• Mounted probe and cable
• Housing with fittings
• Factory markings

Warranty and Logistics

• 12 month warranty after delivery.
• Ship by FedEx, UPS, DHL.
• Export safe packing.
• Global delivery support.

Technical FAQ and Buying Advice

• How do I pick probe length?
• Add bracket thickness and target gap first.
• When should I use approvals version?
• Choose approved type for hazardous zones.
• Can I reuse old extension cable?
• Only if impedance and type match spec.
• What causes unstable readings?
• Wrong gap or poor grounding is common.
• How to confirm monitor compatibility?
• Check it supports 3300 XL 8 mm systems.

Contact

• Email → info@oiltechcontrols.com
• WhatsApp → +86 158 8020 0923

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