Work within the shifted linear zone
The usable response begins near the target and spans the published 60 mil range instead of following the standard 3300 XL curve position.
Bently Nevada 146054-011-20-02-05 3300 Ceramic-Capped Probe
Product Description
Designed for measurement points where the probe face meets corrosive chemicals or elevated process pressure, Bently Nevada 146054-011-20-02-05 is an unarmored 3300 ceramic-capped proximity probe with a 3/8-24 UNF mounting thread. Its alumina tip forms the non-contact machine interface; changes in target gap pass through the probe lead and extension cable to the matching 3300 Proximitor Sensor, which converts the response into the voltage used by the monitoring channel.
The ordered construction of 146054-011-20-02-05 combines a 1.1 in overall case with a 2.0 m integral lead. The 75 ohm FEP-insulated cable ends in a miniature coaxial ClickLoc connector without a factory-installed connector protector, while approval option 05 identifies the CSA, ATEX and IECEx configuration. These fields define the delivered mechanics, cable path and approval set independently from the ceramic sensing function.
Technical Specifications
| Technical Item | 146054-011-20-02-05 |
|---|---|
| Brand | Bently Nevada |
| Product Type | 3300 ceramic-capped proximity probe |
| Brand Country | United States |
| System | 3300 proximity transducer system |
| Probe Thread | 3/8-24 UNF 2A |
| Armor | Not included |
| Overall Case Length | 1.1 in |
| Total Probe Length | 2.0 m (6.6 ft) |
| Connector | Miniature coaxial ClickLoc, standard cable |
| Connector Protector | Not included with option 02 |
| Agency Approval Option | CSA, ATEX and IECEx |
| Probe Tip Material | Alumina ceramic (Al2O3) |
| Probe Case Material | AISI 304 stainless steel |
| Probe Cable | 75 ohm coaxial, FEP insulated |
| Linear Range | 1.52 mm (60 mils), approximately 0.25 to 1.78 mm |
| Recommended Gap | 1.0 mm (40 mils) |
| 2.0 m Probe DC Resistance | 7.88 +/- 0.50 ohms |
| Standard-System Scale Factor | 7.87 V/mm (200 mV/mil) +/- 6.5% |
| Minimum Cable Bend Radius | 25.4 mm (1.0 in) |
| Operating and Storage Temperature | -51 to +177 C (-60 to +351 F) |
| Pressure Seal Rating | 34 bar (500 psi) nitrogen at the front interface |
| Maximum Thread Engagement | 0.563 in |
Operating Characteristics - Ceramic Gap Curve
Bently Nevada 146054-011-20-02-05 uses a ceramic-probe response curve that is shifted from a standard 3300 XL probe, so setup depends on the live electrical output rather than a mechanical stop.
Set the gap electrically
The Proximitor output is observed while positioning the probe, keeping the ceramic tip clear of direct target contact.
Check the monitor lower-OK behavior
The shifted curve can let the tip reach the shaft before a standard lower-OK threshold is reached, so the monitor configuration may require modification.
Installation Highlights - Front-Sealed Process Boundary
The protection provided by 146054-011-20-02-05 is concentrated at the ceramic-to-metal front interface; the opposite end of the probe case has a different environmental boundary.
Place the ceramic face at the process side
The front interface is helium leak-tested and is the portion intended to face the corrosive gas, liquid or pressurized space.
Keep the rear outside destructive media
The 146054 construction has no rear fitting or stainless-steel tube, so water, ammonia, ammonium hydroxide and hydrogen sulfide must not reach the rear.
Limit thread engagement
The mating 3/8-24 threaded opening must not exceed the published engagement depth, preventing the case from binding during installation.
Questions
Does the 011 field on Bently Nevada 146054-011-20-02-05 mean an 11 mm probe tip?
No. The 011 field specifies a 1.1 in overall case length for the inch-thread 146054 body. It does not change the ceramic-capped probe family or identify an 11 mm transducer system.
Is a connector protector supplied with Bently Nevada 146054-011-20-02-05?
No. Connector option 02 supplies the miniature coaxial ClickLoc connector and standard cable without the protector. A compatible protector can be ordered separately when the connector needs additional environmental protection.
Can the rear of Bently Nevada 146054-011-20-02-05 be exposed to ammonia or wash water?
No. The front ceramic-to-metal interface is sealed, but the rear has no fitting or stainless-steel tube. Keep water, NH3, NH4OH and hydrogen sulfide away from the rear of the probe.
Can Bently Nevada 146054-011-20-02-05 be gapped by copying a standard 3300 XL probe position?
Do not rely on the standard-probe curve position. Gap this ceramic-capped probe electrically through the matched Proximitor output and check whether the shifted response requires a monitor modification.
What should be checked before threading Bently Nevada 146054-011-20-02-05 into an existing hole?
Confirm a matching 3/8-24 UNF thread and keep engagement at or below 0.563 in. A deeper threaded section can bind the probe case during installation.
Moore Automation
Business Scope
Moore Automation handles enquiries for industrial automation, control and machinery-monitoring components across a broad range of manufacturers. The team records the complete brand, model, quantity and delivery destination before quotation so each request remains tied to the supplied reference.
Original productsFast delivery1-year warranty12-hour online response
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