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- Bently Nevada
- 330104-10-20-10-02-CN
- 3300 XL 8 mm Proximity Probes
- USA
- 25 × 25 × 4 cm
- 0.32kg
- Xiamen, China
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Bently Nevada 330104-10-20-10-02-CN Proximity Probe – Full Technical Profile
1. Product Overview
The 330104-10-20-10-02-CN is an 8 mm eddy current proximity probe designed for high-precision measurement of shaft vibration, axial displacement, and rotor position in rotating machinery.
It belongs to the 3300 XL 8 mm proximity transducer system, widely used in machinery protection and condition monitoring applications. The “CN” suffix indicates a country-specific configuration version.
This probe is widely deployed in turbines, compressors, pumps, and generators for continuous 24/7 monitoring and predictive maintenance.
2. Brand Information
Brand: Bently Nevada
A globally recognized leader in machinery protection systems, vibration monitoring, and predictive maintenance solutions used in power generation, oil & gas, petrochemical, and heavy industrial applications.
3. Product Series
Series: 3300 XL 8 mm Proximity Transducer System
Key characteristics:
- Eddy current non-contact displacement measurement
- High linear stability and long-term reliability
- Strong resistance to oil, dust, vibration, and moisture
- Modular system (probe + extension cable + proximitor sensor)
- Designed for continuous industrial monitoring
- Compatible with standardized machinery protection systems
Typical engineering behavior:
- Linear measurement range: ~0.25 mm to 2.0 mm
- Optimized for steel shaft monitoring in rotating equipment
4. Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 330104-10-20-10-02-CN |
| 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 |
| Housing Material | Stainless steel |
| Probe Tip Material | PPS polymer |
| Cable Type | Coaxial shielded cable |
| Connector Type | ClickLoc miniature coaxial |
| Environmental Protection | Industrial sealed design (dust/oil resistant) |
| Weight | ~0.10–0.32 kg depending on configuration |
| Dimensions | ~25 × 25 × 4 cm packaging (varies by supplier) |
| Installation Type | Threaded mounting |
| Application Mode | Radial / axial shaft measurement |
5. Product Applications
This probe is used in rotating machinery condition monitoring systems such as:
- Steam turbine vibration monitoring
- Gas turbine rotor displacement tracking
- Hydro turbine stability control
- Centrifugal compressor monitoring
- Industrial pump vibration detection
- Gearbox wear and alignment analysis
- Generator rotor dynamic measurement
- Refinery rotating equipment protection
- Power plant predictive maintenance systems
It is especially important for detecting early mechanical faults such as imbalance, misalignment, shaft looseness, and rotor instability.
6. Product Advantages
- High-accuracy non-contact measurement
- Stable long-term signal output
- Strong resistance to harsh industrial environments
- Suitable for continuous 24/7 operation
- Low drift and high repeatability
- Fully compatible with 3300 XL monitoring systems
- Fast response and stable signal transmission
- Minimal maintenance requirements
- High durability in vibration-heavy machinery
- Proven industrial reliability in critical assets
7. Related Models (Same Series / Compatible Variants)
| Model | Type | Key Parameter |
|---|---|---|
| 330104-10-20-05-02-CN | Standard probe | 200 mm / variant configuration |
| 330104-10-19-10-02-CN | Medium length version | 190 mm case |
| 330104-10-18-10-02-CN | Shorter body version | 180 mm case |
| 330104-08-20-10-02-CN | Compact probe | Reduced body size |
| 330105-10-20-10-02-CN | High sensitivity probe | Enhanced resolution |
8. Popular Models (Same Brand)
| Model | Type | Key Specification |
|---|---|---|
| 330104-10-20-10-02-CN | 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 system module |
| 3500/15 | Power Supply Module | Rack power 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.
Q2: What machines use this probe?
A2: It is used in turbines, compressors, pumps, and generators.
Q3: What does the “CN” suffix mean?
A3: It indicates a country-specific configuration version of the probe.
Q4: Can it run continuously?
A4: Yes, it is designed for 24/7 industrial monitoring.
Q5: What is its measurement principle?
A5: It detects electromagnetic field changes caused by conductive shaft movement.
Q6: Is it suitable for harsh environments?
A6: Yes, it withstands vibration, oil, dust, and high temperature conditions.
Q7: What output does it provide?
A7: It outputs a linear voltage proportional to gap distance.
Q8: Does it require calibration?
A8: It is factory calibrated and requires minimal field adjustment.
Q9: What materials can it measure?
A9: It is optimized for conductive metals such as steel shafts.
Q10: What maintenance is required?
A10: Only periodic inspection of cable condition and mechanical installation is needed.