Bently Nevada 330876-03-90-00-00 | 3300 XL Proximity Probe

Overview

The Bently Nevada 3300 XL 50 mm Proximity Probe (Part No. 330876-03-90-00-00) is a high-performance sensor engineered for challenging industrial applications, such as steam turbine differential expansion (DE) monitoring. With its robust construction, precision, and high-temperature capability, it delivers reliable and accurate measurements in the harshest environments.

Features

1. High-Temperature Endurance: Operates continuously at up to 200°C (392°F) and withstands intermittent spikes to 250°C (482°F).
2. Sealed Design: Dual seals (front and rear) combined with a High-Temperature FluidLoc cable protect against moisture ingress.
3. Durable Construction: Made from AISI 304 stainless steel, with a smooth side-exit case for secure mounting.
4. Superior Connectivity: Equipped with ClickLoc connectors and connector protectors to prevent contamination.
5. Large Linear Range: Offers a measurement range of 1.3 mm to 29.2 mm with a nominal Average Scale Factor (ASF) of 394 mV/mm.

Technical Specifications

Brand: Bently Nevada
Model: 330876-03-90-00-00 3300 XL 50 mm Proximity Probe
Part Suffix Breakdown:

• 03: Smooth, 1.99-inch diameter side-exit case
• 90: Total length of 9.0 meters (29.5 feet)
• 00: High-Temperature FluidLoc cable
• 00: No agency approvals

Probe Tip Material: Polyphenylene Sulfide (PPS)
Case Material: AISI 304 stainless steel (SST)
Power Requirements: -17.5 to -26 Vdc; 12 mA maximum consumption
Extension Cable: PFA-insulated 75 Ω triaxial cable
Operating Temperature: Probe: -35°C to +120°C; intermittent: +250°C
Field Wiring: Supports 0.2 to 1.5 mm² (16–24 AWG) shielded triad cable
Linear Range: 27.9 mm (1100 mils)
Deviation from Best Fit Line (DSL): ±0.74 mm (±29 mils)

Applications

This probe is ideal for industrial environments requiring precise vibration monitoring and displacement measurements, such as:

• Steam turbines
• Compressors
• Generators
• Industrial pumps

FAQ

Q1: What makes the 3300 XL 50 mm probe suitable for high-temperature environments?
A1: Its dual seals, FluidLoc cable, and ClickLoc connectors ensure optimal performance and protection in high-temperature and high-moisture conditions.

Q2: Can this probe handle differential pressure?
A2: Yes, the probe is designed with Viton® O-rings to seal differential pressure.

Q3: Is it compatible with other Bently Nevada systems?
A3: Yes, the probe integrates seamlessly with Bently Nevada Proximitor sensors and extension cables.

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