Product Introduction
The Bently Nevada 330707-00-62-90-12-00 3300 XL 11 mm Proximity Probe is a high-reliability sensor designed for precise shaft vibration and position measurement in rotating machinery. As part of the proven 3300 XL series, this probe delivers consistent performance for critical applications such as turbines, compressors, and pumps. The 330707-00-62-90-12-00 offers a direct replacement path for older probe models, simplifying upgrades while maintaining system integrity.
Technical Specifications
Below are the key specifications for the Bently Nevada 330707-00-62-90-12-00 3300 XL 11 mm Proximity Probe, sourced from original manufacturer data.
| Parameter |
Value |
| Total Probe Length |
9.0 meters (29.5 feet) |
| Probe dc Resistance (RPROBE) |
8.5 ± 1.1 ohms |
| Probe Case Thread |
5/8-18 UNF |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 304 stainless steel (SST) |
| Operating & Storage Temperature |
-52°C to +177°C (-62°F to +351°F) |
| Recommended Probe Case Torque |
15.2 N·m (133 in·lb) |
| Maximum Probe Case Torque |
45.2 N·m (400 in·lb) |
| Connector-to-Connector Torque (Max) |
0.565 N·m (5 in·lb) |
| Minimum Bend Radius |
25.4 mm (1.0 in) |
| Maximum Length of Thread Engagement (5/8-18) |
0.938 in |
| Probe Cable Type |
75 Ω triaxial, FEP insulated |
| Shipping Weight |
0.17 kg |
These parameters ensure the Bently Nevada 330707-00-62-90-12-00 meets stringent requirements for reliability and accuracy in harsh industrial environments.
Installation & Setup Guidance
Proper installation of the 330707-00-62-90-12-00 is critical for accurate readings. Follow these guidelines based on manufacturer recommendations:
- Use the recommended probe case torque of 15.2 N·m (133 in·lb) – never exceed 45.2 N·m (400 in·lb).
- For connector-to-connector connections, apply finger-tight torque; maximum 0.565 N·m (5 in·lb).
- Ensure the probe cable does not bend tighter than 25.4 mm (1.0 in) radius to prevent damage.
- Thread engagement for 5/8-18 UNF should not exceed 0.938 inches.
- Avoid exposing the probe to temperatures below -34°C (-30°F) as this may cause premature pressure seal failure.
- The probe is designed for sealing differential pressure between tip and case; contact the custom design department if pressure testing is required.
When upgrading from older probe models, verify the mounting thread and clearance dimensions match your application. The 330707-00-62-90-12-00 with its 5/8-18 UNF thread and 9.0 m cable length suits many retrofit scenarios.
Maintenance & Reliability
The Bently Nevada 330707-00-62-90-12-00 3300 XL 11 mm Proximity Probe offers robust performance in temperature extremes from -52°C to +177°C. The Viton O-ring pressure seal maintains integrity under normal conditions, but regular inspection is advised for applications with cyclic thermal stress or high vibration. The PPS probe tip withstands chemical exposure while the AISI 304 stainless steel case resists corrosion. Periodic checks of cable insulation and connector integrity will extend service life. The probe is not pressure tested before shipment; for critical pressure seals, request a custom test from the manufacturer.
Selection Guide & Purchasing Advice
When choosing the Bently Nevada 330707-00-62-90-12-00, verify the model number suffix matches your requirements. The '00' unthreaded length, '62' overall case length (6.2 in), '90' total length (9.0 m), '12' connector (miniature coaxial ClickLoc with FluidLoc cable), and '00' agency approval (not required) are predefined. For other configurations, consult the full 3300 XL series offering. UBEST Automation supplies genuine Bently Nevada probes with traceable origins. Contact us at ubest101 for technical support or to confirm compatibility with your existing system.