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- 330881-28-05-058-08-02
- PROXPAC XL Proximity Transducer Assembly
- USA
- 0.58 m
- 0.18kg
- Xiamen, China
- New & In Stock
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Technical Product Report
Model: 330881-28-05-058-08-02
1. Brand Overview
The 330881-28-05-058-08-02 belongs to a widely used industrial machinery condition monitoring product family designed for vibration measurement and rotating equipment protection.
This product line is applied in high-reliability industrial environments where continuous operation and equipment safety are critical, including:
- Power generation systems
- Oil and gas production facilities
- Petrochemical processing plants
- Offshore platforms
- Marine propulsion systems
- Mining and metallurgy industries
- Steel and cement manufacturing plants
- Paper production systems
- Industrial automation environments
The design emphasizes stable measurement performance, strong environmental resistance, and long operational service life under demanding industrial conditions.
2. Product Series
The 330881-28-05-058-08-02 belongs to the 3300 XL 8 mm Proximity Transducer System, specifically within the 330881 Proximity Probe Assembly Series.
This system is widely used for rotating machinery condition monitoring, including:
- Shaft vibration monitoring
- Radial displacement measurement
- Axial position detection
- Rotor eccentricity monitoring
- Thrust position monitoring
A complete system includes:
- 330881 proximity probe (sensor element)
- 330880 extension cable
- Proximitor sensor module
- Monitoring/protection system
The probe functions as the primary sensing element that converts mechanical motion into electrical signals.
3. Product Introduction
The 330881-28-05-058-08-02 is an 8 mm eddy current proximity probe designed for accurate, non-contact measurement of rotating shaft vibration and displacement.
It operates by generating a high-frequency electromagnetic field at the probe tip. When a conductive target such as a rotating shaft enters this field, eddy currents are induced, and the resulting signal variation is converted into an analog electrical output.
This model features a 0.58 m integrated cable length, combined with a specialized mounting configuration “05” and additional structural adaptation “08”, making it suitable for compact and mechanically constrained installation environments.
The probe is engineered for continuous industrial operation, ensuring stable performance, high repeatability, and resistance to harsh environmental conditions such as oil, moisture, dust, and vibration.
4. Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 330881-28-05-058-08-02 |
| Product Type | 8 mm Proximity Probe Assembly |
| Series | 3300 XL 8 mm Proximity Transducer System |
| Measurement Principle | Eddy Current Displacement Technology |
| Probe Diameter | 8 mm |
| Probe Material | Stainless Steel |
| Cable Type | Shielded Integrated Coaxial Cable |
| Cable Length | 0.58 m |
| Mounting Configuration | Code 05 / Code 08 Special Design |
| Connector Type | Industrial Coaxial Connector |
| Output Signal | Analog Displacement Signal |
| Measurement Functions | Vibration, Shaft Displacement, Axial Position |
| Sensitivity | High Precision Linear Output |
| Dynamic Response | Fast Response Capability |
| Operating Temperature | -51°C to +177°C |
| Storage Temperature | -55°C to +200°C |
| Environmental Resistance | Oil, moisture, dust resistant |
| EMI Protection | High shielding effectiveness |
| Installation Type | Threaded mounting system |
| Probe Dimensions | Approx. 120 mm × 8 mm |
| Cable Dimensions | Approx. 580 mm |
| Overall Length | Approx. 700 mm |
| Weight | Approx. 0.18 kg |
| Maintenance Requirement | Very low |
| Service Life | Long-term continuous operation |
5. Product Function Description
The 330881-28-05-058-08-02 is used as a key sensing element in rotating machinery monitoring systems.
It continuously measures the distance between the probe tip and the rotating shaft surface. Any variation caused by vibration, imbalance, misalignment, or mechanical wear is converted into an electrical signal.
The monitoring system interprets these signals to evaluate machine health conditions such as rotor instability, bearing degradation, and shaft misalignment.
The probe is calibrated within a complete system to ensure stable, repeatable measurement accuracy under industrial operating conditions.
6. Application Areas
The 330881-28-05-058-08-02 is widely used in industrial machinery protection and predictive maintenance systems.
Typical applications include:
- Steam turbine vibration monitoring
- Gas turbine shaft displacement measurement
- Centrifugal compressor monitoring
- Axial compressor protection systems
- Industrial pump vibration monitoring
- Electric motor condition monitoring
- Generator rotor monitoring
- Cooling fan systems
- Hydro turbine systems
- Marine propulsion systems
- Petrochemical rotating machinery
- Refinery process equipment
- LNG compressor systems
- Mining machinery monitoring
- Steel mill rolling equipment
- Cement production systems
- Paper manufacturing machinery
- Offshore platform equipment
- Pipeline compressor stations
- Industrial predictive maintenance systems
These applications require stable, continuous, and highly reliable measurement performance.
7. Product Advantages
Compact Cable Design
0.58 m cable length is ideal for tight installation spaces and compact machinery layouts.
Special Mounting Configuration
Codes “05” and “08” provide enhanced adaptability for non-standard mechanical structures.
High Measurement Accuracy
Ensures precise and stable detection of shaft vibration and displacement.
Non-Contact Operation
Eliminates mechanical wear and extends service life.
Strong Environmental Resistance
Performs reliably under oil, dust, moisture, and industrial contamination.
High EMI Immunity
Shielded design ensures stable signal transmission in electrically noisy environments.
Stable Long-Term Operation
Designed for continuous industrial monitoring.
Easy System Integration
Fully compatible with 3300 XL monitoring systems.
8. Recommended Models (Same Series / Related Products)
| Model | Description | Key Parameters |
|---|---|---|
| 330881-28-00-000-00-02 | Standard probe configuration | 8 mm; Weight 0.17 kg |
| 330881-28-04-090-03-02 | Compact mounting version | Cable 0.90 m; Weight 0.21 kg |
| 330881-28-04-110-03-02 | Medium configuration | Cable 1.10 m; Weight 0.22 kg |
| 330881-28-04-150-00-02 | Extended cable version | Cable 1.50 m; Weight 0.25 kg |
| 330880-28-40-058-01-02 | Extension cable assembly | 5.8 m; Weight 0.43 kg |
9. Recommended Popular Models (Same Ecosystem)
| Model | Description | Key Parameters |
|---|---|---|
| 3500/42M | Vibration monitoring module | 241 × 24 × 241 mm; Weight 0.80 kg |
| 3500/40M | Proximitor module | 241 × 24 × 241 mm; Weight 0.75 kg |
| 3500/22M | Communication interface module | 241 × 24 × 241 mm; Weight 0.76 kg |
| 3500/32M | Relay output module | 241 × 24 × 241 mm; Weight 0.68 kg |
| 3500/15 | Power supply module | 241 × 51 × 241 mm; Weight 1.20 kg |
10. Summary
The 330881-28-05-058-08-02 is a compact high-precision 8 mm proximity probe designed for rotating machinery monitoring systems requiring short cable length and specialized mounting configurations.
It provides stable non-contact measurement of shaft vibration and displacement using eddy current technology. With its robust stainless steel construction, strong EMI resistance, and reliable long-term operation, it is widely used in turbines, compressors, pumps, motors, and industrial rotating equipment.
It plays a critical role in predictive maintenance systems by enabling early fault detection, improving operational reliability, reducing downtime, and ensuring safe continuous industrial operation.