Bently Nevada 330876-03-50-01-00 | 3300 XL Proximity Probe

Overview

The Bently Nevada 330876-03-50-01-00  3300 XL 50 mm Proximity Probe is engineered for demanding applications, particularly in harsh steam turbine environments. Its robust design ensures reliability in extreme temperatures and challenging conditions, withstanding up to 200°C (392°F) continuous and intermittent spikes up to 250°C (482°F). This proximity probe offers precise measurement for critical machinery protection and monitoring applications.

Features

1. High-Temperature Durability: Operates continuously in extreme environments, maintaining accuracy up to 200°C (392°F).
2. FluidLoc Cable Technology: Includes a High-Temperature FluidLoc cable that prevents moisture ingress.
3. Versatile Design: Available in smooth side-exit case type with a 1.99-inch diameter, equipped with rear mounting holes for flexible installation.
4. ClickLoc Connectors: Features high-temperature connectors with a removable collar for tight clearance installations.
5. Exceptional Precision: Delivers 394 mV/mm (10 mV/mil) nominal sensitivity with a linear range of 27.9 mm (1100 mils).
6. Sealing Mechanism: Dual seals on the probe prevent contamination, ensuring long-term performance in harsh conditions.

Technical Specifications

• Brand: Bently Nevada
• Model: 330876-03-50-01-00
• Case Type Option: Smooth side-exit, 1.99 in diameter (03)
• Total Length Option: 5.0 m (50)
• Armor Option: High-Temperature FluidLoc Cable with Armor (01)
• Agency Approval Option: No Approvals (00)
• Power Requirements: -17.5 Vdc to -26 Vdc; 12 mA max consumption
• Linear Range: 1.3 mm to 29.2 mm (50 mils to 1150 mils)
• Recommended Target Size: Minimum 102 mm (4 in) diameter
• Extension Cable: 75 Ω triaxial with PFA insulation

Applications

This proximity probe is ideal for monitoring critical rotating machinery in:

• Steam turbines
• Compressors
• Generators
• Industrial pumps
  Its high-temperature resilience and moisture-resistant design make it indispensable for heavy-duty environments.

Model Suffix Breakdown

• 03: Smooth side-exit case type
• 50: Total cable length of 5.0 m
• 01: High-Temperature FluidLoc Cable with Armor
• 00: No agency approvals

FAQ

Q1: What is the linear range of the 3300 XL 50 mm Proximity Probe?
A1: The linear range is 27.9 mm (1.1 in), starting from 1.3 mm (50 mils) to 29.2 mm (1150 mils).

Q2: Can this probe handle intermittent high temperatures?
A2: Yes, it can withstand spikes up to 250°C (482°F) intermittently.

Q3: What is the minimum target size required?
A3: A flat target with a minimum diameter of 102 mm (4.0 in) is recommended.

Q4: What are the power requirements for the probe?
A4: It requires -17.5 Vdc to -26 Vdc without barriers, consuming 12 mA maximum.

For more detailed information: 3300 XL NSv Proximity Transducer System Datasheet