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

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)

9. Recommended Popular Models (Same Ecosystem)

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.