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330851-02-000-030-50-00-05

330851-02-000-030-50-00-05 Bently Nevada Compact Probe

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  • Manufacturer: Bently Nevada

  • Product No.: 330851-02-000-030-50-00-05

  • Product Type: Proximity Probe

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 1500g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Overview

The Bently Nevada 330851-02-000-030-50-00-05 is a high-precision, short-case 25mm proximity probe designed for tight-clearance industrial monitoring. As part of the 3300 XL series, this eddy current sensor provides an extended linear range for vibration and axial position measurements on large rotating shafts. Its compact 30mm case length and M30x2 metric threads make it ideal for integrated mounting within machine housings, while the PEEK tip ensures stability under extreme thermal cycling and chemical exposure.

Technical Configuration

  • Model Number: 330851-02-000-030-50-00-05
  • Probe Diameter: 25 mm High-Performance Sensing Tip
  • Thread Option: M30 x 2 Metric Threads (02)
  • Unthreaded Length: 0 mm Full Thread (000)
  • Case Length: 30 mm Compact Case (030)
  • Total Length: 5.0 Meters / 16.4 Feet (50)
  • Armor Option: Standard No Armor (00)
  • Agency Approvals: ATEX/IECEx/CSA Multi-Approval (05)

Technical Specifications

Linear Range 12.7 mm (500 mils) Surface Finish 0.05μm PEEK Precision
Ingress Protection IP69K (100Bar Steam Resistant) Impedance 75Ω Triaxial Signal
Compliance ATEX Zone 0, ABS Marine Approval, ISO 10816-3 Class 4

Installation & Maintenance

1. Torque and Engagement: The 330851-02-000-030-50-00-05 requires 68N·m of installation torque. Given the short 30mm case, ensure full thread engagement to prevent frequency shifts caused by mechanical instability.

2. Signal Integrity: The 75Ω triaxial cable offers <0.5% impedance variance at 1MHz. For optimal performance, use Bently Nevada connector protectors to maintain electrical isolation in humid or H2S-rich environments (up to 10,000ppm capability).

3. Thermal Cycling: Validated for 500 thermal cycles (-35°C to +250°C), this probe is ideal for machinery that undergoes frequent start-stop operations or operates in extreme climates.

Engineering Advantages

This 25mm system provides the large-scale measurement capability required for shaft displacement on massive power generation equipment. The IP69K rating according to ISO 20653 makes it resilient against high-pressure steam cleaning, while its ABS Type Approval ensures it meets the rigorous standards of marine propulsion systems. The proximity probe's high EMC immunity (30V/m) guarantees accurate data even when located near high-frequency variable speed drives (VFDs).

Technical FAQs

Q1: What is the benefit of the 30mm short case?
A1: It allows for installation in compact bearing housings or tight internal machine clearances where a standard 70mm or 80mm case would not fit.

Q2: Does this probe work in H2S environments?
A2: Yes, it is engineered for high H2S exposure capability (up to 10,000ppm), making it suitable for oil and gas applications.

Q3: Is the 5.0m cable length fixed?
A3: The "50" suffix denotes a 5.0-meter total length. For system calibration accuracy, this probe must be used with a 3300 XL 25mm Proximitor calibrated for a 5m system.

Download Resource

Access Detailed Product Specifications PDF

🏷️ Tags: 3300 XL 25 mm Proximity Probe Proximity Probe

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