Product Overview
When a turbine or compressor goes down, every hour of downtime hurts. The Bently Nevada 146054-08-05-00-00 is a 3300 ceramic capped proximity probe built for exactly those high-stakes measurement points. It is a 3/8-24 UNF threaded probe with a 0.5 meter total length and no connector, supplied new and original in factory packing.
This probe belongs to the 3300 series of ceramic capped probes. The ceramic tip protects the sensing face in harsh, abrasive, or high-temperature environments where a standard probe would wear quickly. If you need spares when you need them, this is the kind of ready-to-ship component that keeps your maintenance schedule on track.
Key Parameters at a Glance
The table below summarizes the main technical values for this exact configuration. Every figure comes from the manufacturer’s ordering data.
| Specification | Value |
|---|---|
| Model | 3300 Ceramic Capped Proximity Probe |
| Part number | 146054-08-05-00-00 |
| Case thread | 3/8-24 UNF |
| Overall case length | 0.8 in |
| Total length | 0.5 m (1.6 ft) |
| Connector | No connector |
| Agency approval | Not required |
| Probe tip material | Alumina ceramic (Al2O3) |
| Case material | AISI 304 stainless steel |
| Nominal DC resistance | 7.45 ± 0.50 ohms |
| Operating temperature | -51°C to +177°C |
| Pressure rating | 34 Bar (500 psi) nitrogen |
Technical Specs That Matter
Ceramic Tip for Hostile Environments
The alumina ceramic tip resists abrasion and chemical attack far better than a standard plastic or epoxy face. In practice, that means longer service life on machines where the probe sees steam, process gas, or particulate-laden air.
0.5 Meter Length and No Connector
This variant ships with a 0.5 meter probe length and no connector. That suits installations where the probe cable runs directly into a junction box or extension cable, rather than terminating at a connector at the probe head. The 3/8-24 UNF thread is a common mounting size, so it fits standard probe holders and mounting adapters.
Resistance and Temperature
The nominal DC resistance from center conductor to outer conductor is 7.45 ± 0.50 ohms. The probe operates and stores from -51°C to +177°C (-60°F to +351°F), covering the ambient range of most industrial machinery rooms and outdoor installations.
Where This Probe Fits
This probe suits rotating equipment monitoring where a rugged, ceramic-faced sensor is required:
- Steam turbine axial position – the ceramic tip handles elevated temperatures and steam carryover better than a standard probe.
- Compressor radial vibration – the 3/8-24 UNF thread mounts into standard holders on bearing housings.
- Pump and motor monitoring – the 0.5 m length works well when the probe is close to the junction box.
Because this probe has no connector, it is often chosen for permanent installations where the cable is routed directly to the extension cable or Proximitor sensor.
Buyer’s Checklist Before You Order
Before committing to the 146054-08-05-00-00, confirm these points against your machine:
- Thread size – verify your mounting holder accepts 3/8-24 UNF.
- Total length – 0.5 m may be too short if your junction box is far from the probe location. Longer lengths exist in the 3300 series, but this specific part is 0.5 m.
- Connector – this unit has no connector. If your existing installation uses a connector at the probe head, you may need a different cable option.
- System compatibility – this probe is designed for 3300 series systems. Confirm your Proximitor sensor and extension cable are compatible.
- Lifecycle status – please verify current lifecycle status and availability with Oil AutoTech before ordering.
Integration and Support
This probe is part of the Bently Nevada 3300 family, which is widely used in oil, gas, and industrial automation. If you are unsure whether this exact configuration matches your existing setup, our team can help with hands-on technical selection. We focus on fast dispatch, worldwide, so you get the right part without the wait.
Contact Oil AutoTech today for pricing and availability.
