Product Overview
When vibration monitoring accuracy is critical, the Bently Nevada 146054-08-50-00-05 delivers dependable performance. This 3300 Ceramic Capped Proximity Probe is engineered for non-contact shaft vibration and position measurement in rotating machinery. As an Industrial Automation Module, it offers precise linear range and stable output, ensuring reliable data for predictive maintenance and protection systems.
The Bently Nevada 146054-08-50-00-05 features a 3/8-24 UNF thread, an overall case length of 0.8 inches, and a 5.0-meter cable without connector. It is designed exclusively for use with the 5-meter Proximitor Sensor, guaranteeing optimal system performance.
Technical Specifications
Every parameter below is sourced from the official product data for the Bently Nevada 146054-08-50-00-05.
| Parameter |
Value |
| Probe Case Thread |
3/8-24 UNF |
| Maximum Length of Thread Engagement |
0.563 in |
| Nominal DC Resistance (Center to Outer Conductor) |
8.73 ± 0.70 ohms |
| Linear Range |
1.52 mm (60 mils) from 0.25 to 1.78 mm (10 to 70 mils) |
| Incremental Scale Factor (ISF) – 5-metre system |
7.87 V/mm (200 mV/mil) ±6.5% |
| Probe Tip Material |
Alumina ceramic (Al2O3) |
| Probe Case Material |
AISI 304 stainless steel |
| Cable Type |
75 Ω coaxial, FEP insulated (lengths: 0.5, 1, 2, 5, or 9 meters) |
| Operating & Storage Temperature |
-51°C to +177°C (-60°F to +351°F) |
| Pressure Rating |
34 Bar (500 psi) nitrogen |
| Agency Approvals |
CSA, ATEX, IECEx |
Industry Applications
The Bently Nevada 146054-08-50-00-05 is ideal for critical rotating equipment such as turbines, compressors, pumps, and motors. Its ceramic tip provides excellent wear resistance, making it suitable for high-speed and high-temperature environments. With a linear range of 1.52 mm and a scale factor of 7.87 V/mm, it delivers precise vibration and displacement data for condition monitoring systems.
In petrochemical plants, this probe helps detect shaft misalignment and bearing wear early, reducing unplanned downtime. For power generation, it ensures turbine operation stays within safe vibration limits, extending equipment life.
Installation & Setup Guidance
Proper installation is essential for accurate readings. Follow these guidelines:
- Mount the probe with a 3/8-24 UNF thread, ensuring the thread engagement does not exceed 0.563 inches.
- Position the probe tip at the specified gap (typically within the linear range) to achieve a mid-scale voltage output.
- Use the 5-meter cable with the matching 5-meter Proximitor Sensor only.
- Secure the cable to avoid vibration-induced movement that could affect measurements.
- Calibrate the system with an AISI 4140 steel target for optimal accuracy.
Maintenance & Reliability
The Bently Nevada 146054-08-50-00-05 is built for long service life. Its alumina ceramic tip resists wear, and the stainless steel case withstands harsh environments. To ensure reliability:
- Periodically inspect the cable for cuts or abrasion.
- Check the probe tip for contamination or damage.
- Verify the DC resistance between center and outer conductor remains within 8.73 ± 0.70 ohms.
- Ensure the operating temperature stays within -51°C to +177°C.
Routine checks minimize the risk of false readings and extend the probe's lifespan, reducing total cost of ownership.
Compatibility & Integration
This probe is part of the 3300 XL system and is compatible with the 5-meter Proximitor Sensor (model 3300 XL). It works with Bently Nevada vibration monitors and diagnostic equipment. The 75 Ω coaxial cable ensures signal integrity over long distances. The probe is available with or without connector options; this model (00) has no connector and must be terminated appropriately.
Selection Guide & Purchasing Advice
Before ordering, verify your system requirements:
- Confirm the probe length (5.0 meters) matches your Proximitor Sensor.
- Check the thread size (3/8-24 UNF) fits your mounting arrangement.
- Ensure agency approvals (CSA, ATEX, IECEx) meet your site's hazardous area classification.
- Consider spare probes to minimize downtime.
At PLC Source PRO, we supply new, original Bently Nevada parts with full factory packing and a 12-month warranty. Our inventory is continuously updated to meet your industrial automation needs.