Product Overview
When machine downtime threatens production targets, the Bently Nevada 330708-00-24-50-12-05 3300 XL 11 mm Proximity Probe provides the accuracy and durability needed for continuous vibration monitoring. Designed for rotating equipment such as turbines, compressors, and pumps, this probe measures shaft displacement and vibration with high precision. The 330708-00-24-50-12-05 features a 5.0-meter cable with a miniature coaxial ClickLoc connector and FluidLoc cable, ensuring a secure, reliable connection in industrial environments.
Technical Specifications
The Bently Nevada 330708-00-24-50-12-05 3300 XL 11 mm Proximity Probe delivers consistent performance under extreme conditions. Key parameters include:
| Parameter |
Value |
| Probe DC Resistance (5.0 m length) |
7.2 ± 0.8 ohms |
| Probe Case Thread |
5/8-18 UNF |
| Maximum Thread Engagement |
0.938 in |
| Recommended Case Torque |
15.2 N·m (133 in·lb) |
| Maximum Case Torque |
45.2 N·m (400 in·lb) |
| Operating & Storage Temperature |
-51°C to +177°C (-60°F to +351°F) |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 304 stainless steel |
| Cable Type |
75 Ω triaxial, FEP insulated |
| Connector |
Miniature coaxial ClickLoc |
| Agency Approval |
Multiple Approvals |
| Shipping Weight |
0.17 kg |
Real-World Applications
The 330708-00-24-50-12-05 excels in monitoring critical machinery in power generation, oil & gas, and chemical processing. For example, on a steam turbine, this probe reliably tracks rotor vibration even when exposed to high temperatures and oil mist. Its robust PPS tip and stainless steel case resist chemical attack, reducing maintenance intervals. In compressor trains, the 5.0-meter cable allows flexible placement of the Proximitor sensor away from vibration zones.
Installation & Setup Guidance
Proper installation of the Bently Nevada 330708-00-24-50-12-05 3300 XL 11 mm Proximity Probe ensures accurate readings. Use the 5/8-18 UNF thread and engage no more than 0.938 inches. Apply the recommended torque of 15.2 N·m to avoid damaging the case. Finger-tighten the ClickLoc connector to the Proximitor sensor; maximum torque is 0.565 N·m. Avoid bending the cable tighter than a 25.4 mm radius. The probe is designed to seal differential pressure between tip and case; do not pressure test before use.
Maintenance & Reliability
The Bently Nevada 330708-00-24-50-12-05 3300 XL 11 mm Proximity Probe offers excellent long-term value due to its wide temperature range and corrosion-resistant materials. To maximize service life, avoid exposing the probe to temperatures below -34°C (30°F) as this may degrade the pressure seal. Inspect the cable and connector periodically for wear; the FEP insulation resists most industrial fluids. The robust design reduces unscheduled downtime, translating directly to lower maintenance costs and higher ROI.
Selection Guide & Purchasing Advice
Before ordering the 330708-00-24-50-12-05, verify that the total probe length of 5.0 meters matches your Proximitor sensor requirements—this probe is designed exclusively for 5-meter Proximitor sensors. Confirm thread compatibility (5/8-18 UNF) and ensure your application does not exceed the temperature limits. For assistance or bulk pricing, contact UBEST Automation via ubest101.myshopify.com. Our stock of Bently Nevada genuine parts ensures fast delivery and full traceability.