330902-00-25-10-02-05 | Bently Nevada | 3300 NSv Probe

Technical Overview

The Bently Nevada 330902-00-25-10-02-05 is a non-contact vibration displacement probe (3300 NSv Probe) designed for monitoring radial shaft vibration in rotating machinery. It operates on eddy current principles to measure the distance between the probe tip and the target surface with high precision. The probe integrates with the Bently Nevada 3500 System, providing real-time data for machinery protection and condition monitoring. Its robust construction ensures reliable performance in harsh industrial environments, including high-temperature and high-pressure applications. The probe’s output is a DC voltage proportional to the gap distance, enabling precise detection of shaft displacement.

Detailed Specifications

Operational Capabilities

The 3300 NSv Probe is deployed in Oil & Gas and Power Generation applications for critical machinery monitoring. It delivers repeatable accuracy (±1% of full scale) and long-term stability, with a mean time between failures (MTBF) exceeding 100,000 hours. The probe is compatible with API 670-compliant systems and withstands exposure to lubricants, steam, and moderate chemical contaminants.

Technical FAQ

Q: Is this probe compatible with legacy Bently Nevada monitoring systems?
A: Yes, the 3300 NSv Probe interfaces with the 3500 System and earlier 3300/7200 series monitors using standard eddy current probe inputs.

Q: What is the recommended installation gap for optimal performance?
A: The probe should be gapped to -10 VDC (±0.5 V) at the target’s normal operating position, typically 1.0–1.5 mm (40–60 mils) depending on the target material.