Technical Product Report

Model: 330881-28-04-165-06-02

1. Brand Overview

The 330881-28-04-165-06-02 belongs to a widely used industrial machinery condition monitoring product family designed for vibration measurement and rotating equipment protection.

This product line is widely deployed in environments where continuous operation, equipment safety, and long-term reliability are essential, including:

• Power generation stations
• Oil and gas production facilities
• Petrochemical processing plants
• Offshore platforms
• Marine propulsion systems
• Mining and metallurgy industries
• Steel and cement production plants
• Paper manufacturing facilities
• Industrial automation systems

The system is known for stable measurement performance, strong environmental adaptability, and long service life under harsh industrial operating conditions.

2. Product Series

The 330881-28-04-165-06-02 belongs to the 3300 XL 8 mm Proximity Transducer System, specifically within the 330881 Proximity Probe Assembly Series.

This system is widely used for continuous monitoring of rotating machinery conditions, including:

• Shaft vibration monitoring
• Radial displacement measurement
• Axial position detection
• Rotor eccentricity monitoring
• Thrust position monitoring

A complete system typically includes:

• 330881 proximity probe (sensor element)
• 330880 extension cable
• Proximitor sensor module
• Monitoring and protection system

The probe serves as the primary sensing component, converting mechanical motion into electrical signals.

3. Product Introduction

The 330881-28-04-165-06-02 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 surface (such as a rotating shaft) moves within this field, eddy currents are induced, and the resulting signal variation is converted into a proportional electrical output.

This configuration includes a 1.65 m integrated cable, making it suitable for installations requiring longer routing distances between probe location and signal connection point.

The “06” and “04” configuration codes indicate a specialized mounting and assembly design, typically used in systems requiring structural adaptation or installation flexibility.

The probe is engineered for continuous industrial monitoring applications where stable performance, long service life, and resistance to harsh environmental conditions are required.

4. Technical Specifications

5. Product Function Description

The 330881-28-04-165-06-02 is a key sensing component in rotating machinery monitoring systems.

It continuously measures the gap 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 processes these signals to evaluate machine conditions such as rotor instability, bearing wear, and shaft misalignment.

This probe is calibrated within a complete system to ensure consistent accuracy and long-term stability in industrial environments.

6. Application Areas

The 330881-28-04-165-06-02 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
• Large motor condition monitoring
• Generator rotor displacement systems
• Cooling fan systems
• Hydro turbine monitoring systems
• Marine propulsion systems
• Petrochemical rotating machinery
• Refinery process equipment
• LNG compressor systems
• Mining machinery monitoring
• Steel mill rolling equipment
• Cement production machinery
• Paper machine systems
• Offshore platform equipment
• Pipeline compressor stations
• Industrial predictive maintenance systems

These applications require stable, continuous, and highly reliable measurement performance.

7. Product Advantages

Extended Cable Configuration

1.65 m cable allows flexible installation in medium-to-long distance layouts.

High Measurement Precision

Provides stable and accurate detection of shaft vibration and displacement.

Non-Contact Operation

No physical contact with the shaft ensures minimal wear and long service life.

Strong Environmental Resistance

Performs reliably in oil, dust, moisture, and industrial contamination environments.

High EMI Immunity

Shielded design ensures stable signal transmission in electrically noisy environments.

Stable Long-Term Operation

Designed for continuous monitoring over long industrial operating cycles.

Easy System Integration

Fully compatible with standard 3300 XL monitoring systems.

Low Maintenance Requirement

Robust design minimizes maintenance needs during operation.

8. Recommended Models (Same Series / Related Products)

9. Recommended Popular Models (Same Ecosystem)

10. Summary

The 330881-28-04-165-06-02 is a high-performance 8 mm proximity probe designed for rotating machinery monitoring systems requiring extended 1.65 m cable routing and specialized mounting configuration.

It provides accurate non-contact measurement of shaft vibration and displacement using eddy current technology. With its stainless steel construction, strong EMI resistance, and stable long-term performance, it is suitable for turbines, compressors, pumps, motors, and other critical industrial equipment.

This probe plays a vital role in predictive maintenance systems by enabling early fault detection, improving operational reliability, reducing downtime, and ensuring safe continuous industrial operation.