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- 330851-02-000-056-90-00-05
- 3300 XL 25mm Proximity Probe
- USA
- 5.6 m
- 0.47kg
- Xiamen, China
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Industrial Proximity Probe Extension Cable Assembly
Model: 330851-02-000-056-90-00-05
1. Brand & Product Positioning
This model belongs to a high-reliability industrial vibration monitoring instrumentation platform used for rotating machinery protection and condition monitoring.
It is designed for critical asset monitoring in industries where continuous operation and early fault detection are essential, such as power generation, petrochemical processing, oil and gas compression, and heavy manufacturing.
The product is part of a standardized proximity measurement system used globally for shaft vibration, axial displacement, and rotor dynamic analysis.
The coding structure reflects configuration parameters such as cable length (056 = 5.6 m), connector specification, shielding configuration, and assembly variant.
2. Product Overview
This model is a proximity probe extension cable assembly used to transmit low-level eddy current signals between a proximity probe and a monitoring or signal conditioning system.
It plays a key role in ensuring accurate signal transfer in vibration measurement systems, maintaining integrity of displacement and vibration data.
The cable is factory-terminated with precision coaxial connectors on both ends, ensuring stable electrical performance and eliminating field wiring inconsistencies.
It is designed for long-term operation in harsh industrial environments with high vibration, temperature fluctuation, oil exposure, and electromagnetic interference.
3. Technical Parameters
Electrical & Mechanical Specifications
| Parameter | Specification |
|---|---|
| Model | 330851-02-000-056-90-00-05 |
| Product Type | Proximity probe extension cable assembly |
| Function | Shaft vibration and displacement signal transmission |
| Cable Length | 5.6 m |
| Signal Type | Eddy current analog displacement signal |
| Shielding Structure | Multi-layer braided + foil shielding |
| Connector Type | Industrial sealed coaxial connectors |
| Operating Temperature | -40°C to +200°C |
| Insulation Material | Fluoropolymer high-performance insulation |
| Outer Jacket | Oil-resistant, chemical-resistant industrial polymer |
| EMI Resistance | High electromagnetic interference immunity |
| Cable Diameter | 5–8 mm (approx.) |
| Minimum Bend Radius | ≥ 25 mm |
| Weight | ~0.47 kg |
| Dimensions | 5600 mm length (coiled diameter ~320 mm) |
| Mechanical Design | Continuous vibration-resistant structure |
| Installation Type | Factory pre-assembled plug-and-play |
4. Product Introduction
This cable assembly is an essential component in industrial vibration monitoring systems used for rotating machinery protection.
It connects the proximity probe to downstream signal conditioning electronics, forming a complete measurement chain for shaft vibration and displacement monitoring.
The product ensures that weak high-frequency signals are transmitted with minimal attenuation or distortion.
It is fully factory-assembled to ensure consistent quality, reduce installation complexity, and improve system reliability.
Its design emphasizes long-term stability under continuous mechanical stress and harsh environmental conditions.
5. Applications
This model is widely used in industrial rotating machinery monitoring systems.
It is installed in steam turbine units for shaft vibration, eccentricity, and axial displacement monitoring.
It is applied in centrifugal and axial compressors for rotor stability analysis and fault detection in oil and gas facilities.
It is used in hydroelectric generator systems for rotor alignment and dynamic performance monitoring.
It is commonly applied in large industrial pump systems requiring continuous vibration tracking.
In heavy industries such as petrochemical plants, steel manufacturing, and paper production, it supports predictive maintenance systems by providing real-time displacement data.
6. Product Advantages
This model provides stable and low-noise signal transmission over medium cable distances.
Its multi-layer shielding significantly reduces electromagnetic interference in industrial environments.
The outer jacket is resistant to oil, chemicals, abrasion, and high temperature, ensuring long service life.
Factory pre-termination improves installation efficiency and reduces wiring-related errors.
The cable maintains flexibility while resisting fatigue under continuous vibration conditions.
It integrates seamlessly into standardized industrial vibration monitoring systems without modification.
7. Product Series Overview
This model belongs to a proximity measurement system series used for rotating machinery condition monitoring.
The system consists of three core components:
A proximity probe for detecting shaft movement, an extension cable for signal transmission, and a monitoring module for signal processing.
Together, they form a calibrated measurement chain used in predictive maintenance and real-time machinery protection systems.
8. Related Models (Same Series / Closely Related Variants)
| Model | Description | Cable Length | Weight (kg) | Dimensions |
|---|---|---|---|---|
| 330851-02-000-030-90-00-05 | Short extension cable assembly | 3.0 m | 0.35 | 3000 mm coiled |
| 330851-02-000-040-90-00-05 | Medium-short extension cable | 4.0 m | 0.40 | 4000 mm coiled |
| 330851-02-000-050-90-00-05 | Standard 5.0 m extension cable | 5.0 m | 0.46 | 5000 mm coiled |
| 330851-02-000-056-90-00-05 | 5.6 m extension cable assembly | 5.6 m | 0.47 | 5600 mm coiled |
| 330851-02-000-060-90-00-05 | Medium-long extension cable | 6.0 m | 0.54 | 6000 mm coiled |
9. Popular Models (Same System Family – Industrial Monitoring Core)
| Model | Description | Function | Weight (kg) | Dimensions |
|---|---|---|---|---|
| 330780-90-00 | Standard proximity probe | Shaft vibration sensing | 0.12 | ~90 mm probe length |
| 330785-91-00 | High-temperature proximity probe | Turbine monitoring | 0.16 | ~100 mm probe length |
| 330876-02-00 | Signal conditioning module | Signal conversion unit | 1.60 | 120 × 80 × 60 mm |
| 3500/42M | Machinery protection module | Vibration monitoring system | 2.15 | Rack-mounted module |
| 3500/92 | Communication gateway module | Data acquisition interface | 2.40 | Rack-mounted unit |
10. Summary
This model is a precision cable assembly used in industrial vibration monitoring systems for rotating machinery protection.
It ensures stable and accurate transmission of displacement signals between sensing and processing stages.
Its durability, shielding performance, and factory-assembled configuration make it suitable for long-term use in harsh industrial environments.
It is widely applied in critical machinery systems where reliability, safety, and predictive maintenance are essential.