Why the 146054-08-10-00-05 Belongs in Your Spares Crib
Downtime on a turbine or compressor train rarely waits for a purchase order. When a radial vibration channel drops out, maintenance engineers need a drop-in probe that matches the original installation exactly. The Bently Nevada 146054-08-10-00-05 is that part: a 3300 ceramic capped proximity probe with a 3/8-24 UNF case thread, a 1.0 meter total length, and no connector on the probe end. It is new and original in factory packing, and it is ready-to-ship from Oil AutoTech.
What This Probe Actually Is
This is a 3300 series ceramic capped probe. The ceramic tip protects the sensing coil from target contact and abrasive process conditions. The case is AISI 304 stainless steel, and the probe carries CSA, ATEX, and IECEx agency approvals. Because the ordering option for connector and cable type is 0 0, this unit ships without a connector, so plan your extension cable and Proximitor sensor interface accordingly.
Key Parameters at a Glance
| Parameter | Value |
|---|---|
| Model | 3300 Ceramic Capped Proximity Probe |
| Part number | 146054-08-10-00-05 |
| Case thread | 3/8-24 UNF |
| Overall case length | 0.8 in |
| Total length | 1.0 m (3.3 ft) |
| Connector option | No connector |
| Agency approval | CSA, ATEX, IECEx |
| Tip material | Alumina ceramic (Al2O3) |
| Case material | AISI 304 stainless steel |
| Nominal DC resistance | 7.59 ± 0.50 ohms |
| Operating temperature | -51°C to +177°C |
| Pressure rating | 34 Bar (500 psi) nitrogen |
Reliability and Service Notes
From a maintenance perspective, the ceramic cap is the first line of defense. It resists wear when the target clearance is tight or when process debris is present. Inspect the tip during every major outage and verify the DC resistance from the center conductor to the outer conductor. A reading outside 7.59 ± 0.50 ohms points to cable or connector damage, not a target problem. Keep spare extension cables and Proximitor sensors on the shelf so a probe swap does not become a week-long wait. That is the practical ROI: one ready-to-ship probe prevents a full train shutdown.
Where It Fits
Use the 146054-08-10-00-05 on steam and gas turbines, centrifugal compressors, and large motors where a 5 mm system is already installed. The 1.0 meter length suits bearing housings with moderate standoff. The 3/8-24 UNF thread matches standard 3300 mounting hardware. Because the probe is approved to CSA, ATEX, and IECEx, it fits hazardous-area installations covered by those schemes. Always confirm the area classification and temperature schedule before installation.
Integration and Selection Checks
This probe is designed for 3300 5 mm systems. It works with the matching Proximitor sensor and extension cable. If you are wiring into a plant network, remember that fieldbus integration may require an external gateway or connection module, so confirm cables and gateways with your supplier. Before ordering, verify the overall case length, total length, and connector option against your existing installation. Oil AutoTech provides hands-on technical selection help and fast dispatch, worldwide.
Ordering and Availability
Please verify current lifecycle status and availability with Oil AutoTech before ordering. The factory warranty is 12 months. Contact Oil AutoTech today for pricing and availability.
