BENTLY NEVADA 330881-28-05-050-03-02 PROXPAC XL Proximity Transducer Assembly
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BENTLY NEVADA / PROXPAC XL
330881-28-05-050-03-02
PROXPAC XL Proximity Transducer Assembly
The 330881-28-05-050-03-02 is a metric PROXPAC XL proximity transducer configuration combining a 3300 XL 8 mm proximity probe and its Proximitor sensor within a self-contained housing. The selected configuration uses a 50 mm standoff adapter, 50 mm probe penetration, one M20 fitting with two plugs, and a 3/4-14 NPT mounting thread.
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A / PROBE
28 — 3300 XL 8 mm probe with Multiple Approvals
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B / STANDOFF
05 — 50 mm standoff adapter
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C / PENETRATION
050 — 50 mm probe penetration
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D / FITTINGS
03 — One M20 fitting, two plugs
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E / THREAD
02 — 3/4-14 NPT
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01 / DESIGN LOGIC
One assembly.
Fewer field connections. PROXPAC XL places the 3300 XL Proximitor sensor in the housing with the probe, creating a self-contained proximity transducer arrangement. This removes the conventional probe-to-Proximitor extension cable and allows field wiring to connect directly between the monitor and the assembly.
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02 / FEATURES
Built around
stable proximity measurement. |
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03 / TECHNICAL CORE
Key specifications
The values below describe the PROXPAC XL assembly and the selected configuration.
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ORDER CONFIGURATION
How this exact suffix is configured
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04 / SERIES POSITION
PROXPAC XL + 3300 XL ecosystem
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The PROXPAC XL family is built around the 3300 XL proximity sensing architecture. The 330881 family is the metric version, while the 3300 XL platform also includes separate 8 mm probe, extension-cable and Proximitor sensor arrangements. The PROXPAC XL approach packages the probe and Proximitor sensor together, reducing the number of field-level connections compared with a conventional separate-probe arrangement.
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05 / APPLICATION FIELD
Designed for rotating machinery monitoring
Eddy-current proximity systems measure the distance between the probe tip and a conductive machine surface without physical contact. The 3300 XL 8 mm architecture is used for dynamic vibration and static position measurements, particularly on machinery using fluid-film bearings.
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FIELD CHECKPOINTS
Gap
Recommended nominal gap: 1.27 mm / 50 mils.
Target
Minimum flat target diameter: 15.2 mm.
Cross-talk
Probe separation should be considered during multi-probe installation.
Conduit
Prevent moisture from traveling through conduit into the housing.
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Incorrect Probe Gap
A gap outside the intended linear range can shift the output and reduce measurement accuracy. The recommended gap is 1.27 mm.
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Cross-Talk
Closely spaced proximity probes can interact electrically. Probe separation should be maintained according to the measurement arrangement.
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Moisture Path
Poor conduit sealing can allow moisture to travel toward the housing. Proper connector and conduit protection is important.
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Temperature Stress
The probe and housing have different temperature limits. Installation should account for the actual temperature surrounding each part.
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07 / PURCHASE FAQ
Five questions that matter before replacement
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Why choose 330881-28-05-050-03-02 instead of a conventional separate probe and Proximitor arrangement?
The PROXPAC XL assembly integrates the 3300 XL 8 mm probe and Proximitor sensor in one housing, eliminating the separate probe-to-Proximitor extension cable and separate Proximitor housing.
What does the 330881-28-05-050-03-02 50 mm standoff mean for installation planning?
The -05 option specifies a 50 mm standoff adapter, while -050 separately specifies 50 mm probe penetration. These are different dimensions and should both be checked against the machine geometry before installation.
Can 330881-28-05-050-03-02 be considered for hazardous-area machinery?
Yes, the -28 configuration specifies a 3300 XL 8 mm probe with Multiple Approvals. The applicable hazardous-area installation method, barriers or isolators, ambient limits and installation requirements must match the selected approval arrangement.
What should be checked if a 330881-28-05-050-03-02 signal becomes unstable after installation?
Check the probe gap, target geometry, wiring integrity, connector protection, grounding and possible cross-talk with nearby proximity probes. The recommended gap is 1.27 mm, and field wiring can extend up to 305 m when properly configured.
How should the 330881-28-05-050-03-02 be evaluated for high-temperature machinery?
The probe operating range is -52°C to +177°C, while the PROXPAC housing and Proximitor sensor are rated from -52°C to +100°C. The actual installation must keep each portion within its applicable temperature limit.
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08 / ORDER & DELIVERY
Fast replacement support for automation assets
For a quotation, please provide the exact part number together with your required quantity and installation destination. Adding the required date and machine/system helps us match the request with the application.
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RETURN SUPPORT
After-delivery protection
Please contact us within 7 days if you have any question after receiving the items.
Returned items must remain in their original condition, together with a specific reason for the return. After the returned items are received, we will arrange a return or replacement where applicable.
Shipping costs incurred for the return are the buyer's responsibility.
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09 / AMIKON INDUSTRIAL SUPPORT
One purchasing desk.
Multiple automation ecosystems. Amikon focuses on industrial automation components and control-system spare parts, helping plants shorten replacement cycles and reduce equipment downtime.
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11 / REQUEST A QUOTE
Need 330881-28-05-050-03-02?
Send the part number, quantity, destination, required date and machine/system. Miya will help confirm the configuration and arrange the next purchasing step.
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