Bently Nevada 330851-02-000-030-10-01-00 3300 XL 25mm Proximity Probe

Product Overview

Bently Nevada 330851-02-000-030-10-01-00 belongs to the 3300 XL 25 mm Proximity Probe Series. It supports continuous shaft vibration and position monitoring in demanding turbine environments.

This probe delivers stable measurement performance under high temperature and heavy industrial vibration conditions. Engineers widely use this series in steam turbines, compressors, generators, and rotating machinery protection systems.

The probe supports direct replacement for standard 7200 series transducer systems. It also fits many legacy turbine monitoring installations without major mechanical modifications.

Global PLC Spare HUB's Insight

3300 XL 25 mm probes perform exceptionally well in steam turbine differential expansion environments. The reinforced probe structure improves durability during thermal cycling.

This model works effectively in high-temperature bearing housings and harsh oil-contaminated environments. The SST armored cable improves mechanical protection during installation.

Engineers commonly select this configuration for:

• Steam turbine DE monitoring systems
• Large rotating shafts
• Critical overspeed protection systems
• Generator vibration monitoring
• Industrial compressor protection
• Petrochemical rotating equipment diagnostics

Key Features

• 25 mm proximity sensing technology
• Continuous operation up to 200°C
• Short-term exposure up to 250°C
• SST armored cable for mechanical protection
• FluidLoc PFA insulated triaxial cable
• Excellent resistance against EMI interference
• Supports hazardous area installation
• Compatible with legacy 7200 systems
• Stable output under thermal expansion conditions
• Designed for harsh steam turbine environments

Technical Specifications

• Brand: Bently Nevada
• Model: 330851-02-000-030-10-01-00
• Series: 3300 XL 25 mm
• Product Type: Proximity Probe
• Measurement Principle: Eddy current displacement sensing
• Probe Diameter: 25 mm
• Total Cable Length: 1.0 meter
• Case Thread: M30x2
• Unthreaded Length: 0 inch
• Overall Case Length: 30 mm
• Armor Type: Stainless Steel Armor
• Probe Cable: 75 Ω triaxial PFA insulated cable
• Probe Resistance: 6.2 ±0.5 Ω
• Operating Temperature: -35°C to +200°C
• Short-Term Temperature: +250°C for less than 24 hours
• Probe Tip Material: PEEK
• Probe Case Material: AISI 304 Stainless Steel
• Environmental Resistance: High-temperature steam turbine environments
• EMI Resistance: High immunity to industrial electromagnetic interference
• Shock Resistance: Designed for heavy rotating equipment
• Recommended Torque: 68 N·m
• Maximum Torque: 163 N·m
• Probe Weight: 330 g with armor
• Country of Origin: U.S.A

Configuration Breakdown

• 330851
  • 3300 XL 25 mm Probe Series
• 02
  • M30x2 threaded case
• 000
  • 0 inch unthreaded length
• 030
  • 30 mm overall case length
• 10
  • 1.0 meter total length
• 01
  • Stainless steel armored cable
• 00
  • No agency approvals option

Compatibility Information

• Compatible with Bently Nevada 3300 XL monitoring systems
• Supports standard 7200 25 mm transducer replacement
• Supports 7200 35 mm transducer replacement
• Fits DE integral transducer systems
• Works with turbine vibration monitoring racks
• Supports hazardous area protection systems

Installation Guidelines

• Install the probe using recommended torque values
• Avoid cable bending near the probe exit
• Maintain proper target gap during calibration
• Use shield grounding according to site standards
• Protect connectors from oil contamination
• Verify insulation integrity before startup
• Check cable routing near high-voltage equipment

Commissioning and Maintenance

• Probe calibration remains stable over long periods
• SST armor simplifies field cable protection
• Low-maintenance design reduces downtime
• Quick replacement minimizes turbine shutdown duration
• Periodic gap verification improves measurement accuracy
• Routine insulation inspection extends service life

Diagnostic Capabilities

• Detects shaft vibration abnormalities
• Monitors differential expansion conditions
• Identifies early bearing wear symptoms
• Supports predictive maintenance programs
• Detects rotor imbalance conditions
• Helps prevent unexpected turbine shutdowns

Certifications and Compliance

• FCC Part 15 Compliance
• EMC EN 61000-6-2
• EMC EN 61000-6-4
• EMC Directive 2014/30/EU
• RoHS Directive 2011/65/EU
• ABS Maritime Compliance
• Class I Zone 0 AEx/Ex ia IIC
• Class I Zone 2 AEx/Ex nA IIC
• Class I Division 2 Groups A, B, C, D

Typical Applications

• Steam turbines
• Gas turbines
• Industrial compressors
• Power generation systems
• Petrochemical plants
• Rotating machinery protection systems
• Generator shaft monitoring
• High-temperature process equipment

Packing List

• 1 × 330851-02-000-030-10-01-00 Probe
• Protective industrial packaging
• Product inspection documentation
• Installation guidance support

Shipping Information

• 24-48 hours fast dispatch
• Worldwide delivery available
• FedEx international shipping
• UPS global express delivery
• DHL priority logistics support
• Professional anti-shock packaging

Warranty Terms

• 12-month warranty coverage
• Technical support during warranty period
• Functional inspection before shipment
• Professional after-sales assistance

FAQ

• Which systems support this probe?

  The probe supports Bently Nevada 3300 XL and compatible 7200 systems.

• Can this probe operate continuously at high temperatures?

  Yes. It continuously operates at temperatures up to 200°C.

• Why does this model use SST armor?

  SST armor protects the cable from vibration, abrasion, and installation damage.

• Is this probe suitable for steam turbines?

  Yes. Engineers specifically use this series in steam turbine DE environments.

• What causes unstable vibration readings?

  Improper gap settings, grounding issues, or cable damage commonly cause instability.

• How often should engineers inspect the probe?

  Most facilities inspect probes during scheduled turbine maintenance intervals.

• What should users verify before installation?

  Users should verify target material compatibility and proper mounting dimensions.

• How do users select the correct cable length?

  Select a cable length matching cabinet distance and routing requirements.

• Does armored cable improve reliability?

  Yes. Armored cables perform better in heavy industrial vibration environments.

• Can this probe support hazardous areas?

  Yes. The probe supports intrinsically safe and Zone 2 installations.

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