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- Bently Nevada
- 330104-10-20-05-02-00
- 3300 XL 8 mm Proximity Probes
- USA
- 80–200 mm
- 0.35kg
- Xiamen, China
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Bently Nevada 330104-10-20-05-02-00 Proximity Probe – Full Technical Profile
1. Product Overview
The 330104-10-20-05-02-00 is an 8 mm eddy current proximity probe designed for precise monitoring of shaft vibration, axial displacement, and rotor position in high-speed rotating machinery.
It belongs to a widely used industrial condition monitoring system that provides continuous, non-contact measurement for critical rotating equipment. The probe is engineered to maintain stable signal output in harsh environments including high temperature, heavy vibration, oil mist, and contamination.
This model is commonly installed in turbines, compressors, pumps, and generators as part of predictive maintenance and machinery protection systems.
2. Brand Information
Brand: Bently Nevada
A globally recognized leader in machinery protection, vibration monitoring, and predictive maintenance solutions widely used in power generation, oil & gas, petrochemical, and heavy industrial sectors.
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 design (probe + extension cable + proximitor sensor)
- Suitable for continuous 24/7 monitoring applications
- Fully compatible with industrial machinery protection architectures
Typical technical behavior:
- Linear measurement range: approx. 0.25 mm to 2.0 mm (system dependent)
- Designed for shaft vibration and displacement monitoring in rotating machinery systems
4. Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 330104-10-20-05-02-00 |
| Measurement Principle | Eddy current proximity sensing |
| Probe Diameter | 8 mm |
| System Series | 3300 XL 8 mm |
| Unthreaded Length | 10 mm |
| Case Length | 200 mm (20 option) |
| Cable Length | 0.5–1.0 m system configuration (option dependent) |
| Output Signal | Linear voltage proportional to gap |
| Operating Temperature | -40°C to +125°C (typical industrial range) |
| Housing Material | Stainless steel |
| Probe Tip Material | PPS engineering plastic |
| Cable Type | Coaxial shielded cable |
| Connector Type | ClickLoc coaxial connector |
| Environmental Protection | IP67 (typical system rating) |
| Weight | ~0.2–0.35 kg (probe assembly range, configuration dependent) |
| Dimensions | ~80–200 mm body length configuration (variant dependent) |
| Installation Type | Threaded mounting |
| Application Position | Radial / axial shaft monitoring |
5. Product Applications
The 330104-10-20-05-02-00 probe is widely used in rotating machinery 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 plays a key role in detecting early mechanical issues such as imbalance, misalignment, shaft looseness, and rotor instability before catastrophic failure occurs.
6. Product Advantages
- High-precision non-contact measurement
- Stable performance in harsh industrial environments
- Strong resistance to oil, dust, and contamination
- Long service life with minimal drift
- Suitable for continuous 24/7 monitoring
- Fully compatible with 3300 XL architecture
- Fast and stable signal transmission
- Low maintenance requirements
- High durability under vibration stress
- Proven reliability in mission-critical machinery
7. Related Models (Same Series / Compatible Variants)
| Model | Type | Key Parameter |
|---|---|---|
| 330104-10-16-10-02-00 | Standard probe | 160 mm configuration |
| 330104-10-19-10-02-00 | Extended case version | 190 mm body length |
| 330104-08-20-05-02-00 | Compact probe | Shorter body design |
| 330105-10-20-05-02-00 | High sensitivity probe | Improved resolution |
| 330106-10-20-05-02-00 | Heavy-duty probe | Reinforced industrial design |
8. Popular Models (Same Brand)
| Model | Type | Key Specification |
|---|---|---|
| 330104-10-20-05-02-00 | 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 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 used?
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 temperature variation, vibration, oil, and dust.
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.