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- Bently Nevada
- 330104-08-16-20-02-05
- 3300 XL 8 mm Proximity Probes
- USA
- 25 × 25 × 4 cm
- 0.13kg
- Xiamen, China
- New & In Stock
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Bently Nevada 330104-08-16-20-02-05 Proximity Probe – Full Technical Profile
1. Product Overview
The 330104-08-16-20-02-05 is a high-precision 8 mm eddy current proximity probe used for measuring shaft vibration, axial displacement, and rotor position in rotating machinery.
It is designed for continuous condition monitoring systems where stable, non-contact measurement is required to ensure safe operation of critical equipment.
This model is commonly used in turbines, compressors, pumps, and generators, especially in environments where temperature variation, vibration, and contamination are significant challenges.
2. Brand Information
Brand: Bently Nevada
This brand is globally known for industrial machinery protection systems and vibration monitoring solutions widely used in 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 measurement
- High accuracy and long-term stability
- Strong resistance to harsh industrial environments
- Modular architecture (probe + cable + sensor)
- Suitable for continuous 24/7 monitoring
- Widely used in predictive maintenance systems
4. Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 330104-08-16-20-02-05 |
| Measurement Principle | Eddy current proximity sensing |
| Probe Diameter | 8 mm |
| System Series | 3300 XL 8 mm |
| Unthreaded Probe Length | 80 mm |
| Case Length | 160 mm |
| Measurement Range | Up to ~2 mm (depending on target material) |
| Output Signal | Linear voltage proportional to gap |
| Operating Temperature | -52°C to +177°C (typical XL probe range) |
| Housing Material | Stainless steel |
| Cable Type | Integral coaxial cable |
| Mounting Type | Threaded installation |
| Environmental Resistance | Oil, dust, vibration resistant |
| Weight | 0.11–0.13 kg (probe body approx.) |
| Dimensions | ~25 × 25 × 4 cm (packaging dependent) |
5. Product Applications
The 330104-08-16-20-02-05 probe is widely applied in rotating machinery monitoring systems such as:
- Steam turbine vibration monitoring
- Gas turbine rotor displacement measurement
- Hydro turbine shaft stability monitoring
- Centrifugal compressor condition monitoring
- Industrial pump vibration detection
- Gearbox alignment and wear monitoring
- Generator rotor dynamic analysis
- Refinery rotating equipment protection systems
- Power plant predictive maintenance systems
It is especially valuable for early detection of mechanical issues such as imbalance, misalignment, looseness, and shaft instability.
6. Product Advantages
- High-precision non-contact measurement
- Stable performance under extreme temperature 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 architecture
- Fast and stable signal transmission
- Low maintenance requirement
- High durability in vibration-heavy environments
- Proven reliability in mission-critical machinery
7. Related Models (Same Series or Compatible Variants)
| Model | Type | Key Parameter |
|---|---|---|
| 330104-08-16-10-02-05 | Standard probe | 160 mm case version |
| 330104-08-15-20-02-05 | Medium calibration variant | Adjusted sensitivity range |
| 330104-08-16-05-02-05 | Compact version | Shorter cable assembly |
| 330105-08-16-20-02-05 | High sensitivity probe | Improved resolution |
| 330106-08-16-20-02-05 | Heavy-duty probe | Reinforced industrial design |
8. Popular Models (Same Brand – Widely Used)
| Model | Type | Key Specification |
|---|---|---|
| 330104-08-16-20-02-05 | 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 power system 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: What equipment is it used for?
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 its measurement principle?
A4: It detects changes in electromagnetic field caused by shaft proximity.
Q5: Is it suitable for harsh environments?
A5: Yes, it is designed for high temperature, vibration, and contamination resistance.
Q6: What signal does it output?
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.