



The Bently Nevada 330851-04-000-040-50-00-05 is a 3300 XL 25 mm Proximity Probe designed for precise shaft displacement measurement and continuous vibration monitoring on large rotating machinery. Developed for demanding industrial environments, this proximity probe provides stable non-contact sensing performance to support machinery protection, equipment diagnostics, and predictive maintenance strategies.
Featuring a 25 mm probe design, 40 mm case length, 5 metre cable configuration, and multi-approval option, this model is suitable for installations requiring extended connection distance and dependable operation in power generation, oil and gas, petrochemical, and heavy industrial applications.
The 330851-04-000-040-50-00-05 delivers reliable shaft position feedback through advanced eddy current sensing technology. Its robust design helps operators monitor critical machine conditions, improve maintenance efficiency, and protect valuable rotating equipment.
Technical Specifications and Engineering Details
The Bently Nevada 330851-04-000-040-50-00-05 is designed as part of the 3300 XL 25 mm Proximity Transducer System. It works together with compatible Proximitor Sensors to provide accurate shaft displacement information for machinery condition monitoring.
| Specification | Details |
|---|---|
| Manufacturer | Bently Nevada |
| Model Number | 330851-04-000-040-50-00-05 |
| Product Type | 3300 XL 25 mm Proximity Probe |
| Sensor Technology | Eddy Current Proximity Sensing |
| Probe Diameter | 25 mm |
| Probe Construction | Smooth Case Design |
| Case Length | 40 mm |
| Cable Length | 5 Metres |
| Cable Type | Triaxial Cable |
| Armor Option | Standard Cable Configuration |
| Approval Configuration | Multiple Approvals |
| Measurement Function | Shaft Position and Vibration Monitoring |
| Compatible System | 3300 XL Proximitor Sensor System |
| Installation Application | Industrial Rotating Equipment |
| Dimensions | Approx. 25 mm Diameter × 40 mm Case Length + 5 m Cable |
| Weight | Approx. 0.55 kg |
The extended cable design provides additional flexibility for machinery layouts where the sensing location and monitoring cabinet are positioned at different distances. Five-metre probe configurations are designed for use with compatible five-metre Proximitor Sensor systems.
Recommended Related Models and Compatible Components
The 330851-04-000-040-50-00-05 can be combined with various Bently Nevada components to create a complete machinery monitoring solution.
| Model | Product Type | Recommended Application |
|---|---|---|
| 330850 Series | 3300 XL Proximitor Sensor | Signal processing and monitoring |
| 330851-04-000-040-10-00-05 | 25 mm Proximity Probe | Shorter cable installation |
| 330851 Series | 3300 XL 25 mm Probe Family | Alternative probe configurations |
| 330130 Series | Extension Cable | Flexible mounting distance |
| 3500 Series | Machinery Protection System | Advanced condition monitoring |
These related products allow engineers to select suitable configurations according to machinery design, installation requirements, and monitoring objectives.
Popular Bently Nevada Models for Industrial Applications
Bently Nevada provides a wide range of machinery monitoring solutions designed for improving equipment reliability and reducing unexpected downtime.
| Model Series | Product Category | Main Function |
|---|---|---|
| 3300 XL Series | Proximity Transducer System | Shaft displacement and vibration measurement |
| 3500 Series | Machinery Protection Platform | Alarm monitoring and machine protection |
| 1900 Series | Vibration Monitoring Equipment | General condition monitoring |
| Velomitor Series | Velocity Sensors | Casing vibration measurement |
| Keyphasor Series | Phase Reference System | Rotor speed and position detection |
The 330851-04-000-040-50-00-05 is widely used within the 3300 XL platform where accurate shaft measurement and dependable machinery protection are required.