Introduction
When cross-talk and temperature extremes threaten vibration monitoring accuracy, the Bently Nevada 330709-000-080-50-12-05 3300 XL 11 mm Proximity Probe delivers robust performance. This probe is engineered for critical rotating machinery in harsh industrial environments.
Technical Specifications Breakdown
The 330709-000-080-50-12-05 features a 5.0 meter total length with a Miniature coaxial ClickLoc connector and FluidLoc cable. Key technical parameters include:
| Parameter |
Value |
| Probe DC Resistance (RPROBE) |
7.2 ± 0.8 ohms |
| Operating Temperature Range |
-52°C to +177°C |
| Probe Case Material |
AISI 304 Stainless Steel |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Thread |
M16x1.5 |
| Recommended Torque (Case) |
21.1 N·m |
| Minimum Bend Radius |
25.4 mm |
| Cross-talk Limited Target Size |
Minimum 30.5 mm diameter |
These specs ensure the Bently Nevada 330709-000-080-50-12-05 maintains signal integrity and mechanical reliability in demanding applications.
Application Scenarios
Ideal for steam turbines, compressors, and generators, the Bently Nevada 330709-000-080-50-12-05 provides accurate shaft displacement measurement. In refineries and chemical plants, its wide temperature range and robust construction prevent common failure modes like cable breakage and thermal drift.
Installation & Setup Guidance
Proper installation is critical for performance. Follow these guidelines for the 330709-000-080-50-12-05:
- Apply recommended torque of 21.1 N·m for the probe case M16x1.5 thread.
- Ensure thread engagement does not exceed 24 mm maximum length.
- Connector-to-connector torque: finger tight, maximum 0.565 N·m.
- Maintain minimum bend radius of 25.4 mm for the cable.
- The probe requires a 5-meter Proximitor sensor; do not use with other lengths.
Maintenance & Reliability
To maximize lifespan, avoid exposure below -34°C as it may cause pressure seal failure. The 330709-000-080-50-12-05 meets multiple agency approvals and is designed for long-term continuous operation. Regular inspection of the cable and connector for wear is recommended.
Selection Guide & Purchasing Advice
When selecting the 330709-000-080-50-12-05, verify that your system uses a 5-meter Proximitor sensor. This probe's FluidLoc cable and ClickLoc connector simplify installation in tight spaces. For genuine Bently Nevada parts, choose a reliable supplier like ubest101.
Temperature Classification Schedule
| Classification |
Ambient Temperature Range |
| EPL Ga and Gc T1 |
-55°C to +232°C |
| EPL Ga and Gc T2 |
-55°C to +177°C |
| EPL Ga and Gc T3 |
-55°C to +120°C |
| EPL Ga and Gc T4 |
-55°C to +80°C |
| EPL Ga and Gc T5 |
-55°C to +40°C |
| EPL Dc T280°C @ Ta |
-55°C to +232°C |
| EPL Dc T225°C @ Ta |
-55°C to +177°C |
| EPL Dc T170°C @ Ta |
-55°C to +120°C |
| EPL Dc T130°C @ Ta |
-55°C to +80°C |
| EPL Dc T105°C @ Ta |
-55°C to +100°C |
| EPL Dc T90°C @ Ta |
-55°C to +40°C |