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- Bently Nevada
- 330104-10-20-10-02-05
- 3300 XL 8 mm Proximity Probes
- USA
- 80–200 mm
- 0.35kg
- Xiamen, China
- New & In Stock
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Bently Nevada 330104-10-20-10-02-05 Proximity Probe – Full Technical Profile
1. Product Overview
The 330104-10-20-10-02-05 is an 8 mm eddy current proximity probe used for high-precision measurement of shaft vibration, axial displacement, and rotor position in rotating machinery.
It is designed for continuous, non-contact monitoring in critical industrial equipment where reliability and stability are essential. The probe maintains accurate signal output even under harsh conditions such as high temperature, vibration, oil mist, and contaminated environments.
This model is widely used in turbines, compressors, pumps, and generators as part of machinery protection and predictive maintenance systems.
2. Brand Information
Brand: Bently Nevada
A globally recognized leader in machinery protection systems, vibration monitoring solutions, and predictive maintenance technologies for power generation, oil & gas, petrochemical, and heavy industries.
3. Product Series
Series: 3300 XL 8 mm Proximity Transducer System
Key characteristics:
- Eddy current non-contact displacement sensing
- High linear accuracy and long-term stability
- Strong resistance to industrial contamination and vibration
- Modular system (probe + extension cable + proximitor sensor)
- Designed for continuous 24/7 monitoring applications
- Fully compatible with industrial protection architectures
Typical performance:
- Linear measurement range: approx. 0.25 mm to 2.0 mm (system dependent)
- Stable signal output for long-term machinery condition monitoring
4. Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 330104-10-20-10-02-05 |
| Measurement Principle | Eddy current proximity sensing |
| Probe Diameter | 8 mm |
| System Series | 3300 XL 8 mm |
| Unthreaded Length | 10 mm |
| Case Length | 200 mm |
| Output Signal | Linear voltage proportional to gap |
| Operating Temperature | -40°C to +125°C (industrial range) |
| Housing Material | Stainless steel |
| Probe Tip Material | PPS engineering polymer |
| Cable Type | Coaxial shielded cable |
| Connector Type | ClickLoc coaxial connector |
| Environmental Protection | Oil, dust, vibration resistant |
| Weight | ~0.25–0.35 kg (probe assembly typical range) |
| Dimensions | ~80–200 mm body length configuration (variant dependent) |
| Installation Type | Threaded mounting |
| Application Mode | Radial / axial shaft monitoring |
5. Product Applications
The 330104-10-20-10-02-05 probe is widely used in rotating machinery condition monitoring systems across heavy industries:
- Steam turbine shaft vibration monitoring
- Gas turbine rotor displacement measurement
- Hydro turbine stability monitoring
- Centrifugal compressor condition monitoring
- Industrial pump vibration detection
- Gearbox wear and alignment monitoring
- Generator rotor dynamic tracking
- Refinery rotating equipment protection systems
- Power plant predictive maintenance systems
It is particularly effective in detecting early mechanical faults such as imbalance, misalignment, looseness, and rotor instability before failure occurs.
6. Product Advantages
- High-precision non-contact measurement technology
- Stable performance under harsh industrial conditions
- Strong resistance to oil, dust, and contamination
- Long service life with minimal signal drift
- Suitable for continuous 24/7 monitoring systems
- Fully compatible with 3300 XL system architecture
- Fast and stable signal transmission
- Low maintenance requirements
- High durability under vibration-intensive environments
- Proven reliability in mission-critical machinery
7. Related Models (Same Series / Compatible Variants)
| Model | Type | Key Parameter |
|---|---|---|
| 330104-10-20-05-02-05 | Standard probe | 200 mm / 5 configuration variant |
| 330104-10-19-10-02-05 | Medium length version | 190 mm case |
| 330104-10-16-10-02-05 | Standard 160 mm version | Balanced configuration |
| 330104-08-20-10-02-05 | Compact probe | Short body design |
| 330105-10-20-10-02-05 | High sensitivity probe | Enhanced resolution |
8. Popular Models (Same Brand)
| Model | Type | Key Specification |
|---|---|---|
| 330104-10-20-10-02-05 | Proximity Probe | 8 mm eddy current probe |
| 330780-90-00 | Proximitor Sensor | Signal conditioning module |
| 330130-080-00-00 | Extension Cable | Standard probe cable |
| 3500/42M | Vibration Monitor Module | Multi-channel monitoring system |
| 3500/15 | Power Supply Module | Rack system power distribution unit |
9. Frequently Asked Questions (FAQ)
Q1: What is the main function of this probe?
A1: It measures shaft vibration and displacement using eddy current non-contact sensing technology.
Q2: Where is it commonly installed?
A2: It is used in turbines, compressors, pumps, and generators.
Q3: Can it operate continuously?
A3: Yes, it is designed for 24/7 industrial monitoring systems.
Q4: What is the measurement principle?
A4: It detects changes in electromagnetic fields caused by conductive shaft movement.
Q5: Is it suitable for harsh environments?
A5: Yes, it is resistant to high temperature, vibration, oil, and dust.
Q6: What output does it provide?
A6: It outputs a linear voltage proportional to shaft displacement.
Q7: Does it require calibration?
A7: It is factory calibrated and requires minimal maintenance.
Q8: What materials can it measure?
A8: It is optimized for conductive metallic surfaces such as steel shafts.
Q9: What is its service life?
A9: It provides long-term stable performance under proper installation conditions.
Q10: What maintenance is required?
A10: Only periodic inspection of cable condition and mounting integrity is required.