AMIKON LIMITED
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Brand Name:
Bently Nevada
3300 XL 8 mm Proximity Probe
A non-contact eddy-current probe designed for integration into machinery condition-monitoring systems where shaft movement and position must be measured without physical contact.
The probe forms the sensing end of a transducer chain used to monitor conductive machine targets. It is relevant to rotating equipment where vibration trends, shaft position or a reference signal contribute to condition assessment.
For replacement work, identify the installed probe from its complete ordering number and confirm that the connected extension cable and Proximitor sensor belong to an appropriate system configuration.
Each code segment identifies a specific construction or connection option. Keep the segments in sequence when requesting a quotation.
The two “05” segments have different meanings because they occupy different positions in the ordering code.
Molded PPS probe tip and AISI 303 or 304 stainless-steel case.
Standard cable uses FEP insulation. Optional armored versions are described separately in the product family; this ordered configuration is unarmored.
Linear measurement range: The 3300 XL 8 mm system family specifies a nominal 2 mm (80 mil) linear range, approximately 0.25–2.3 mm from the target. This is system-level performance, not a standalone guarantee for every cable/sensor combination.
Incremental scale factor: The published value for standard 1 m and 5 m systems is 7.87 V/mm (200 mV/mil) ±5% under the stated test conditions. Do not automatically apply this figure to a different total system length or mixed-component configuration.
Recommended radial vibration gap: Approximately 1.27 mm, corresponding to a Proximitor output near −9 Vdc under the specified standard system conditions.
Frequency response: The system datasheet specifies 0–10 kHz (+0/−3 dB) with up to 305 m (1,000 ft) of field wiring, subject to the stated system and wiring conditions.
Probe cable pull rating: 330 N (75 lbf) maximum rated strength from probe case to probe lead. The connector interface between probe lead and extension cable has a separate rating of 270 N (60 lbf).
Cable routing: The documented minimum bend radius is 25.4 mm (1.0 in). Avoid sharp bends and strain at the probe lead or connector during installation.
System composition: A complete 3300 XL 8 mm transducer system uses a probe, an extension cable where required, and a compatible Proximitor sensor. Overall system length is determined by the complete configuration, not the integral probe cable alone.
Interchangeability: XL components are designed for interchangeability within the specified 3300 XL 8 mm system. Mixing XL and non-XL 3300-series 5 mm or 8 mm components can limit performance to the applicable non-XL system specifications.
Application limits: Published accuracy and scale-factor figures depend on the stated target material, gap, temperature and system components. Confirm the applicable installation and approval conditions for the actual machine.
Applied in compatible monitoring chains for fluid-film bearing machinery to track shaft movement, position changes and vibration behaviour.
During fault isolation, check the sensing face, cable condition, connector seating, target condition and associated transducer components before concluding that the probe itself has failed.
Compare the removed part number and mounting arrangement with the replacement request. Differences in thread, case geometry, cable termination or approvals may affect installation.
The 3300 XL 8 mm system family can support Keyphasor reference and speed applications when configured for the intended measurement duty.
Inspection status, available test records, protective packaging and estimated dispatch timing are confirmed against the quotation.
Report DOA or incorrect-item issues promptly with order details and supporting evidence. Returns require authorization and follow the agreed terms.
Warranty: 12 months, subject to quotation terms, product condition and the agreed warranty scope.
Practical assistance with part identification, sourcing enquiries and order coordination. Send the part number and application details to help clarify the requested configuration before ordering.
For an RFQ, include: Part Number · Quantity · Destination · Required Date · Machine/System Model.
It is a 3300 XL 8 mm proximity probe for use in a compatible transducer system measuring conductive-target distance, including shaft position and vibration.
No. The 0.5 m value identifies the integral probe cable. Overall system length depends on the complete probe, extension cable and Proximitor sensor arrangement.
This configuration uses an M10 × 1 metric thread, with 0 mm unthreaded length and a 130 mm case-length option.
Verify the complete ordering code, mechanical fit, connector and cable arrangement, transducer-system configuration and approval requirements. A shared product-family name alone does not establish compatibility.
Refer to the 3300 XL 8 mm Proximity Transducer System datasheet, publication 141194, together with the applicable installation and approval documentation. Confirm that the specifications apply to the intended system configuration.
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