Product Overview
When a turbine or compressor goes down, every hour of downtime hurts. The Bently Nevada 146054-08-10-00-00 gives you a practical, ready-to-ship solution for non-contact displacement and vibration measurement. This 3300 ceramic capped probe uses a 3/8-24 UNF thread and comes without armor, so it fits tight mounting spaces where armored probes will not go. The ceramic tip resists wear in harsh oil and gas environments, and the 1.0 m cable keeps installation simple. If you need spares when you need them, this probe is built for fast dispatch, worldwide.
Technical Specifications
| Specification | Value |
|---|---|
| Model | 3300 Ceramic Capped Proximity Probe |
| Part Number | 146054-08-10-00-00 |
| Probe Case Thread | 3/8-24 UNF |
| Overall Case Length | 0.8 in |
| Total Length | 1.0 m (3.3 ft) |
| Connector | No connector |
| Agency Approval | Not required |
| Probe Tip Material | Alumina ceramic (Al2O3) |
| Probe Case Material | AISI 304 stainless steel |
| Cable Type | 75 Ω coaxial, FEP insulated |
| Operating Temperature | -51°C to +177°C |
| Pressure Rating | 34 Bar (500 psi) nitrogen |
| Nominal DC Resistance | 7.59 ± 0.50 ohms |
| Linear Range | 1.52 mm (60 mils) |
Key Parameters That Matter
The 146054-08-10-00-00 delivers a linear range of 1.52 mm (60 mils), starting about 0.25 mm from the target. That range gives you reliable displacement data for radial vibration and axial position on rotating machinery. The incremental scale factor is 7.87 V/mm (200 mV/mil) ±6.5% over the linear range from 0°C to +45°C. In plain terms, you get consistent, repeatable readings that your monitoring system can trust. The probe handles temperatures from -51°C to +177°C, so it works in both cold start-ups and hot process areas. The 34 Bar (500 psi) pressure seal means it holds up in high-pressure gas applications without extra modification. The 3/8-24 UNF thread and 0.563 in maximum thread engagement give you a secure, standard mounting that fits most 3300 series housings.
Where This Probe Fits
This probe suits oil and gas applications where space is tight and reliability is critical. On a gas compressor, the ceramic tip resists wear from constant vibration, and the 1.0 m cable reaches junction boxes without extra extensions. In a steam turbine, the -51°C to +177°C range covers both cold starts and normal operating temperatures. For pipeline monitoring, the 500 psi pressure rating and stainless steel case handle demanding conditions. If you are upgrading an older 3300 system, this probe integrates with standard 3300 XL components, so you avoid a full system replacement. That keeps your project budget in check and your downtime short.
Installation and Setup
Mount the probe using the 3/8-24 UNF thread, and tighten to the recommended engagement of 0.563 in. Keep the probe tip clear of the target by at least 0.25 mm to stay within the linear range. Route the 1.0 m cable away from high-voltage lines to avoid signal noise. Because this model has no connector, you will terminate the cable directly at your monitoring system or junction box. Check the nominal DC resistance of 7.59 ± 0.50 ohms after installation to confirm a healthy circuit. For best results, calibrate the system with an AISI 4140 steel target, as the published accuracy specs assume that target material. If you need help selecting the right extension cable or mounting hardware, Oil AutoTech offers hands-on technical selection help.
Reliability and Maintenance
Inspect the ceramic tip periodically for chips or wear, especially in abrasive environments. Check the cable jacket for cracks or abrasion, and verify the probe remains tight in its mounting. Keep the probe within its -51°C to +177°C operating range; excursions beyond that can affect performance. The AISI 304 stainless steel case resists corrosion, but in salt-laden or chemical atmospheres, a visual inspection every few months is wise. Because this is a non-contact sensor, there are no moving parts to wear out, which keeps long-term maintenance costs low. That reliability translates directly to fewer unplanned outages and better ROI on your monitoring system.
Compatibility and Integration
The 146054-08-10-00-00 works with Bently Nevada 3300 XL series Proximitor Sensors and extension cables. It uses a standard 75 Ω coaxial FEP-insulated cable, so it matches common 3300 system wiring. If you are integrating into a larger control network, confirm your monitoring rack accepts the probe’s voltage output. For fieldbus or plant-wide networks, you may need an external gateway or connection module. Always verify cable lengths and connector requirements with your supplier before ordering. Oil AutoTech can confirm compatibility with your existing Bently Nevada hardware.
Selection Guide
Before you buy, confirm the thread size (3/8-24 UNF), total length (1.0 m), and connector type (none) match your installation. Check that your monitoring system expects a 3300 series probe and that your target material is AISI 4140 steel for published accuracy. If you need a different cable length or an armored version, ask about other options in the 146054 series. Oil AutoTech stocks new and original factory-packed units and can ship quickly. Please verify current lifecycle status and availability with Oil AutoTech before ordering.
