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- Bently Nevada
- 330104-10-25-50-12-00
- 3300 XL 8 mm Proximity Probes
- USA
- 250 mm
- 0.35kg
- Xiamen, China
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Bently Nevada 330104-10-25-50-12-00 Proximity Probe – Full Technical Profile
1. Product Overview
The 330104-10-25-50-12-00 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 belongs to the 3300 XL 8 mm proximity transducer system, which is widely applied in machinery protection and condition monitoring systems for critical rotating assets.
This probe is designed for continuous operation in harsh industrial environments such as high temperature, vibration, oil mist, and contamination, making it suitable for turbines, compressors, pumps, and generators.
2. Brand Information
Brand: Bently Nevada
A globally recognized leader in machinery protection systems, vibration monitoring, and predictive maintenance technologies 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 accuracy and long-term stability
- Strong resistance to industrial contamination and vibration
- Modular system architecture (probe + extension cable + proximitor sensor)
- Designed for continuous 24/7 monitoring applications
- Fully compatible with standardized industrial protection systems
Core system performance (from 3300 XL platform specification):
- Linear measurement range: approximately 0.25 mm to 2.0 mm
- Designed for vibration, displacement, and shaft position monitoring
4. Technical Parameters
| Parameter | Specification |
|---|---|
| Model | 330104-10-25-50-12-00 |
| Measurement Principle | Eddy current proximity sensing |
| Probe Diameter | 8 mm |
| System Series | 3300 XL 8 mm |
| Unthreaded Length | 10 mm |
| Case Length | 250 mm (25 configuration) |
| Cable Length | 50 (5.0 m system cable option) |
| Connector Type | Miniature ClickLoc coaxial connector |
| Output Signal | Linear voltage proportional to gap |
| Operating Temperature | -40°C to +125°C (industrial range) |
| Housing Material | Stainless steel |
| Probe Tip Material | PPS composite polymer |
| Cable Type | Shielded coaxial cable system |
| Environmental Resistance | Oil, dust, vibration resistant |
| Weight | ~0.20–0.35 kg (assembly dependent) |
| Dimensions | ~250 mm probe length configuration |
| Installation Type | Threaded mounting |
| Application Mode | Radial / axial shaft monitoring |
5. Product Applications
The 330104-10-25-50-12-00 probe is widely used in rotating machinery monitoring systems across heavy industries:
- Steam turbine shaft vibration monitoring
- Gas turbine rotor displacement tracking
- Hydro turbine stability monitoring
- Centrifugal compressor condition monitoring
- Industrial pump vibration detection
- Gearbox wear and alignment monitoring
- Generator rotor dynamic analysis
- Refinery rotating equipment protection systems
- Power plant predictive maintenance systems
It is particularly effective in early detection of mechanical failures such as imbalance, misalignment, shaft looseness, and rotor instability.
6. Product Advantages
- High-precision non-contact measurement technology
- Stable signal output under harsh industrial conditions
- Strong resistance to oil, dust, and contamination
- Long service life with minimal drift
- Suitable for continuous 24/7 monitoring
- Fully compatible with 3300 XL system architecture
- Fast and stable electrical response
- Low maintenance requirements
- High durability in vibration-heavy environments
- Proven reliability in critical rotating machinery
7. Related Models (Same Series / Compatible Variants)
| Model | Type | Key Parameter |
|---|---|---|
| 330104-10-25-10-02-00 | Standard probe | 250 mm body, standard cable |
| 330104-10-25-50-02-00 | 5.0 m cable version | Extended cable length |
| 330104-10-23-50-12-00 | Shorter case variant | 230 mm body |
| 330104-08-25-50-12-00 | Compact probe | Reduced diameter/body |
| 330105-10-25-50-12-00 | High sensitivity probe | Enhanced resolution |
8. Popular Models (Same Brand)
| Model | Type | Key Specification |
|---|---|---|
| 330104-10-25-50-12-00 | 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 machinery monitoring system |
| 3500/15 | Power Supply Module | Rack system power distribution |
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 machines typically use this probe?
A2: It is used in turbines, compressors, pumps, and generators.
Q3: What does the “50” in the model represent?
A3: It indicates a 5.0 meter system cable length configuration.
Q4: Can it operate continuously?
A4: Yes, it is designed for continuous 24/7 industrial monitoring.
Q5: What is the measurement principle?
A5: It detects changes in electromagnetic fields caused by conductive shaft movement.
Q6: Is it suitable for harsh environments?
A6: Yes, it resists vibration, oil contamination, dust, and high temperature.
Q7: What output does it provide?
A7: It outputs a linear voltage proportional to shaft displacement.
Q8: Does it require calibration?
A8: It is factory calibrated and generally requires no field calibration.
Q9: What materials can it measure?
A9: It is optimized for conductive metallic targets such as steel shafts.
Q10: What maintenance is required?
A10: Only periodic inspection of cable condition and mounting integrity is needed.