Product Introduction
The Bently Nevada 330709-000-230-50-11-00 is a 3300 XL 11 mm proximity probe designed for precise shaft vibration and position measurement in rotating machinery. This non-contact sensor uses eddy current technology to deliver reliable data for predictive maintenance and machine protection. As part of the trusted 3300 XL series, this probe offers robust performance in demanding industrial environments.
Technical Specifications
The Bently Nevada 330709-000-230-50-11-00 probe features a 5.0 meter cable length with a miniature coaxial ClickLoc connector and FluidLoc cable. Key parameters include:
- Probe Case Thread: M16x1.5
- Unthreaded Length: 0 mm
- Overall Case Length: 230 mm
- Total Length: 5.0 meters (16.4 feet)
- Probe DC Resistance: 7.2 ± 0.8 ohms from center conductor to outer conductor
- Operating Temperature Range: -52°C to +177°C (-62°F to +351°F)
- Probe Tip Material: Polyphenylene sulfide (PPS)
- Probe Case Material: AISI 304 stainless steel
- Minimum Bend Radius: 25.4 mm (1.0 in)
- Cross-talk Limitation: Requires minimum flat target diameter of 30.5 mm or shaft diameter of 152 mm
Industry Applications
The Bently Nevada 330709-000-230-50-11-00 is ideal for monitoring critical rotating equipment such as turbines, compressors, pumps, and motors. Its 5-meter cable length is specifically designed for use with a five-meter Proximitor sensor, ensuring signal integrity over distance. In petrochemical plants, this probe provides early warning of shaft misalignment or bearing wear, reducing unplanned downtime.
Installation & Setup Guidance
Proper installation of the Bently Nevada 330709-000-230-50-11-00 ensures accurate readings. Apply a recommended torque of 21.1 N·m (187 in·lb) when mounting the M16x1.5 probe case. For the connector, tighten only to finger tight (maximum 0.565 N·m). Ensure the target surface is clean and flat, with a minimum diameter of 30.5 mm for best cross-talk performance. Thread engagement should not exceed 24 mm.
Maintenance & Reliability
The Bently Nevada 330709-000-230-50-11-00 is built for long service life with a stainless steel case and PPS tip. Regular inspection of the cable and connector for damage is recommended, especially in high-vibration areas. Avoid exposing the probe to temperatures below -34°C to prevent pressure seal failure. The wide operating temperature range (-52°C to +177°C) allows use in extreme conditions.
Troubleshooting & Common Issues
Common issues with the Bently Nevada 330709-000-230-50-11-00 include cable damage from excessive bending (minimum bend radius 25.4 mm) and cross-talk interference when targets are too small. If readings drift, check the connector torque and verify the target size meets the minimum 30.5 mm diameter. The probe resistance should measure 7.2 ± 0.8 ohms; deviations may indicate a fault.