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- Bently Nevada
- 330108-91-05
- 3300 XL 8 mm Proximity Probes
- USA
- 263 × 58 × 28 mm
- 0.43kg
- Xiamen, China
- New & In Stock
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Product Overview – 330108-91-05
(Proximity / Proximitor Sensor System Component)
1. Brand Information
Brand Type: Industrial condition monitoring instrumentation manufacturer for rotating machinery
This product belongs to a global machinery protection and vibration monitoring ecosystem widely used in power generation, oil & gas, petrochemical, and heavy industrial applications. It is designed for high-reliability monitoring of shaft displacement, vibration, and rotor dynamics.
2. Product Series
Series: 3300 XL 8 mm Proximity Transducer System
This series is a modular non-contact measurement system composed of:
- Proximity probe
- Extension cable
- Proximitor sensor
It is widely used for continuous monitoring of rotating machinery in critical industrial environments.
3. Product Introduction
The 330108-91-05 is a proximity transducer system component designed for eddy current-based measurement of shaft vibration and displacement. It functions as part of a complete monitoring chain, converting changes in distance between a probe and conductive target surface into proportional electrical signals.
It is commonly deployed in rotating machinery such as turbines, compressors, pumps, and motors, where continuous monitoring is required for operational safety and predictive maintenance.
The model is typically configured as a 5/8 mm class proximity system, supporting compatibility with standard 3300 XL architecture.
It is engineered for harsh industrial environments, ensuring stable performance under vibration, temperature variation, electromagnetic interference, and oil contamination conditions.
4. Product Parameters
Technical Specification Table
| Parameter | Specification |
|---|---|
| Model | 330108-91-05 |
| Series | 3300 XL Proximity Transducer System |
| Product Type | Proximity / Proximitor system component |
| Measurement Principle | Eddy current displacement sensing |
| System Composition | Probe + cable + proximitor sensor |
| Measurement Function | Shaft vibration & axial position |
| Cable Length | 5.0 m typical system configuration |
| Probe Diameter | 5 mm / 8 mm class system compatibility |
| Output Signal | Analog voltage proportional to gap distance |
| Linear Range | Approx. up to 2–5 mm (system dependent) |
| Sensitivity | System calibrated (mV/μm or V/mm) |
| Operating Temperature | -40°C to +177°C (system dependent) |
| Frequency Response | Up to 10 kHz (dynamic vibration) |
| Power Supply | -17.5 V to -26 V DC (system dependent) |
| Connector Type | 3300 XL coaxial ClickLoc type |
| Housing Material | Stainless steel / industrial polymer |
| Cable Type | Shielded coaxial cable |
| Shielding | EMI/RFI multi-layer shielding |
| Dimensions | Approx. 263 × 58 × 28 mm (sensor module variant) |
| Weight | ~0.2 kg to ~4.3 kg (configuration dependent) |
| Installation Type | Panel / DIN mount system dependent |
| Protection Level | Industrial-grade environmental sealing |
| Compatibility | 3300 XL monitoring framework |
5. Product Applications
This model is widely used in industrial rotating machinery monitoring systems where high-precision displacement and vibration tracking is required.
Typical applications include:
- Steam turbine shaft vibration monitoring
- Gas turbine rotor displacement measurement
- Centrifugal compressor condition monitoring
- Industrial pump bearing diagnostics
- Generator rotor stability monitoring
- Gearbox misalignment detection
- Petrochemical rotating equipment monitoring
- Power plant predictive maintenance systems
- Heavy industrial machinery protection systems
It is especially effective in continuous operation environments requiring 24/7 monitoring reliability.
6. Product Advantages
High Measurement Precision
Provides accurate non-contact measurement of shaft displacement and vibration.
Strong EMI Resistance
Designed with industrial shielding to resist electromagnetic interference in high-noise environments.
Modular System Architecture
Supports independent replacement of probe, cable, and sensor components.
High Environmental Adaptability
Operates reliably under temperature fluctuations, vibration, and oil exposure.
Industrial Integration Compatibility
Compatible with standard 3300 XL monitoring and control systems.
Long Service Stability
Designed for continuous operation in mission-critical machinery protection systems.
7. System Functional Role
The 330108-91-05 acts as part of a three-component measurement chain:
- Proximity probe → detects physical displacement
- Extension cable → transmits signal
- Proximitor sensor → converts signal into usable electrical output
This enables real-time monitoring of rotor behavior and machine condition.
8. Related Models (Same Series / Similar Configuration)
| Model | Description | Key Feature | Application |
|---|---|---|---|
| 330104-00-XX-XX-XX-00 | Proximity probe | Eddy current sensing | Turbines & compressors |
| 330105-00-XX-XX-XX-00 | High-temp probe | Thermal resistance | Hot machinery |
| 330106-05-30-20-02-00 | Cable assembly | 2.0 m configuration | Medium installations |
| 330106-05-30-50-02-00 | Cable assembly | 5.0 m configuration | Large plant systems |
| 330130-040-00-00 | Armored cable | Reinforced protection | Harsh environments |
9. Other Popular Models (Same Ecosystem)
| Model | Description | Key Feature | Application |
|---|---|---|---|
| 3500/40M | Vibration monitor module | Signal processing | Machinery protection |
| 3500/42M | Multi-channel monitor | Advanced diagnostics | Turbines |
| 3500/22M | Communication module | System integration | Plant control systems |
| 3500/15 | Power supply module | Stable rack power | Monitoring racks |
| 330104-00-XX-XX-XX-00 | Proximity probe | Eddy current sensing | Shaft displacement |
10. Frequently Asked Questions (FAQ)
Q1: What is the main function of this model?
A1: It measures shaft vibration and displacement using eddy current technology.
Q2: Is this a sensor or full system?
A2: It is a system component within a probe–cable–sensor architecture.
Q3: What is its working principle?
A3: It uses eddy current induction to measure distance changes.
Q4: What industries use it most?
A4: Power generation, oil & gas, petrochemical, and heavy industry.
Q5: What is the typical installation method?
A5: Panel or DIN-mounted monitoring system configuration.
Q6: Can it handle harsh environments?
A6: Yes, it is designed for vibration, heat, and EMI resistance.
Q7: What is the cable length used?
A7: Typically around 5.0 meters depending on system configuration.
Q8: What is its output type?
A8: Analog voltage proportional to displacement.
Q9: Is it compatible with other systems?
A9: It is primarily designed for 3300 XL architecture compatibility.
Q10: Why is it widely used?
A10: Because it provides stable, accurate, and continuous monitoring for critical machinery.