330910-06-25-70-11-00 Bently Nevada 7m Cable Proximity Probe

Overview of the 330910-06-25-70-11-00 Proximity Probe

When machine vibration threatens uptime, the 330910-06-25-70-11-00 from Bently Nevada delivers precise shaft displacement measurements. This 3300 NSv proximity probe is built for harsh industrial environments, featuring an M10X1 threaded case with stainless steel armor. Its 7.0-meter (23.0 feet) total length and miniature coaxial ClickLoc connector ensure secure signal transmission. As part of the trusted 3300 NSv series, this probe supports predictive maintenance strategies that reduce unplanned downtime.

Key Features and Technical Specifications

• Model: 330910 – 3300 NSv Probe, M10X1 thread, with armor
• Unthreaded length: 60 mm (must be at least 20 mm less than case length)
• Overall case length: 250 mm
• Total length: 7.0 meters (23.0 feet)
• Connector: Miniature coaxial ClickLoc with connector protector and FluidLoc cable
• Agency approval: Not required (option -00)
• Probe DC resistance: 5.9 ± 0.9 ohms (center to outer conductor)
• Probe tip material: Polyphenylene sulfide (PPS)
• Probe case material: AISI 304 stainless steel
• Operating temperature: -52°C to +177°C (-62°F to +351°F)

Installation and Mounting Guidance

Proper installation ensures accurate readings. The M10X1 thread allows a maximum engagement of 15 mm. Recommended torque for the probe case is 11.3 N•m (100 in•lb), while the connector should be finger tight (max 0.56 N•m). Maintain a minimum bend radius of 25.4 mm (1.0 in) for the cable. Always verify that the unthreaded length is at least 20 mm less than the case length to avoid interference.

Maintenance and Reliability Tips

Regular inspection of the probe and cable is essential. Avoid exposing the probe to temperatures below -34°C (-30°F) for prolonged periods, as this may damage the pressure seal. Check the connector for secure mating and the cable for abrasion or cuts. Following these practices extends service life and maintains measurement integrity.

Compatibility and Integration

The 330910-06-25-70-11-00 is designed for use with Bently Nevada 3300 NSv monitoring systems. It provides a 75 Ω coaxial signal, compatible with standard proximity transducer interfaces. For integration with other systems, consult the official Bently Nevada documentation or contact AutoDCSTech for guidance.

Comparison with Similar Probes

Compared to shorter 0.5m or 1m probes, this 7.0m version offers greater installation flexibility. The FluidLoc cable resists moisture and contaminants, unlike standard coaxial cables. The armored case provides extra mechanical protection in demanding environments. These features make it a robust choice for large rotating machinery.

Product Support and Availability

The 330910-06-25-70-11-00 is available from AutoDCSTech in new, original factory packaging. It includes a 12-month warranty. Contact AutoDCSTech for current stock and ordering details.