330851-02-000-230-50-01-05 3300 XL 25 mm Proximity Probe

Product Description

The Bently Nevada 3300 XL 25 mm Proximity Probe (Model: 330851-02-000-230-50-01-05) is a rugged, high-performance sensor designed for harsh industrial environments. Built to replace legacy 25 mm and 35 mm probe systems, it offers extreme durability in steam turbine and machinery monitoring applications. Featuring a PEEK probe tip and 304 stainless steel case, it withstands temperatures up to 250°C (482°F) and delivers reliable measurements in high-vibration conditions.

Technical Data

• Brand: Bently Nevada
• Model: 3300 XL 25 mm Proximity Probe
• Full Suffix: 330851-02-000-230-50-01-05 (M30x2 thread, 230mm length, 5m SST-armored cable)
• Measurement Range: 25 mm
• Accuracy: ±0.8 ohms resistance tolerance
• Output Signal: 75 Ω triaxial (PFA FluidLoc cable)
• Operating Temp: -35°C to +200°C; Short-Term: +250°C (24h max)
• Resistance: 7.5 Ω ±0.8 (5m cable)
• Weight: 330g (with armor)

Installation Guide

• Torque: Max 163 N•m; Recommended 68 N•m
• Use with intrinsically safe barriers (per drawing 141092) or galvanic isolators.
• Avoid cable stress during mounting.

Compatibility

Replaces 7200 25 mm/35 mm and 25 mm DE Integral systems (supports side/rear exit probes).

Certifications

• FCC, EMC, RoHS, ABS Maritime
• ATEX/IECEx: AEx/Ex ia IIC T1-T5 (Zone 0)

Package & Warranty

• Includes: Probe, 5m armored cable, documentation
• Warranty: 1-year limited warranty.

Real-World Application

Used in steam turbine vibration monitoring at a power plant, surviving 220°C steam exposure for 18 months without calibration drift.

Contact Us

For inquiries: sales@nex-auto.com or +86 153 9242 9628.