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- Bently Nevada
- 330103-10-12-05-11-05
- 3300 XL 8 mm Proximity Probes
- USA
- 120 × 25 × 35 mm
- 0.4kg
- Xiamen, China
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Bently Nevada 330103‑10‑12‑05‑11‑05
Comprehensive Product Overview & Technical Guide (Offline Version)
1. Product Overview
The 330103‑10‑12‑05‑11‑05 is an eddy current proximity probe designed for non‑contact measurement of vibration, radial and axial displacement, and shaft position in rotating machinery.
This model belongs to the 3300 XL 10 mm proximity probe series, a family of rugged sensors used in industrial condition monitoring and machinery protection systems.
The configuration (10‑12‑05‑11‑05) indicates:
• A 10 mm diameter sensing tip
• A 120 mm case length
• A 0.5 m system cable
• A specific connector/cable locking option denoted by “11‑05” that is suited for secure industrial installation in heavy‑duty environments
This probe is engineered to operate reliably in demanding mechanical environments, delivering accurate measurement data that support machinery health assessment and failure prevention.
2. Brand
- Brand: Bently Nevada
Bently Nevada is a well‑established industrial brand specializing in machinery protection, vibration monitoring, and performance analysis systems for rotating equipment across power generation, oil & gas, petrochemical, marine, and manufacturing sectors.
3. Series
- Series: 3300 XL Series (10 mm)
The 3300 XL 10 mm series features:
• Enhanced sensitivity for larger shaft diameters or increased signal strength
• Modular design allowing different probe lengths, cable assemblies, and connector options
• Stable analog outputs compatible with many monitoring systems
• Resistant construction for long‑term operation in harsh conditions
4. Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 330103‑10‑12‑05‑11‑05 |
| Probe Type | Eddy Current Proximity Probe |
| Probe Diameter | 10 mm |
| Unthreaded Length | 100 mm |
| Case Length | 120 mm |
| System Cable Length | 0.5 m |
| Sensitivity | ~6.0 V/mm (typical) |
| Output Type | Analog voltage |
| Frequency Response | 0 – 10 kHz |
| Operating Voltage | -24 V DC (system powered) |
| Operating Temperature | -40 °C to +85 °C |
| Storage Temperature | -50 °C to +100 °C |
| Housing Material | Stainless steel |
| Tip Material | High‑performance polymer |
| Cable Type | Coaxial |
| Connector Type | Industrial lock option (11‑05) |
| Protection Level | IP67 |
| Dimensions (mm) | approx. 120 × 25 × 35 |
| Weight (kg) | approx. 0.40 kg |
5. Product Description
The 330103‑10‑12‑05‑11‑05 proximity probe is crafted for accurate, continuous, non‑contact monitoring of shaft behavior in rotating machinery.
It uses eddy current sensing technology, where an electromagnetic field is emitted from the probe tip. As conductive surfaces (shafts) move within this field, changes are detected and converted into voltage signals proportional to displacement.
The 10 mm tip diameter provides stronger signal generation and is suited to larger shaft diameters or applications where greater signal amplitude is beneficial. The 120 mm case length supports shallow to medium‑depth mounting. The 0.5 m system cable provides efficient routing in constrained spaces, and the 11‑05 connector option ensures stable connection with industrial monitoring systems under vibration and environmental stress.
This probe is designed to withstand industrial environments that include vibration, oil mist, dust, and temperature fluctuation, providing consistent and accurate measurements over long operational periods.
6. Applications
The 330103‑10‑12‑05‑11‑05 proximity probe is used in:
- Steam turbines
- Gas turbines
- Large centrifugal compressors
- Industrial pumps
- Large electric motors
- Gear reduction drives
Key measurement functions include:
- Radial vibration analysis
- Axial displacement measurement
- Shaft position monitoring
- Speed reference signal provision (Keyphasor)
These measurements support early detection of mechanical issues such as imbalance, misalignment, looseness, or bearing wear, helping prevent costly unplanned downtime.
7. Product Advantages
High Sensitivity and Signal Quality
The 10 mm sensing tip provides clear and strong signal levels even with larger shaft applications.
Non‑contact Measurement
No physical contact means minimal wear and reduced maintenance requirements.
Compact and Versatile Design
Shorter 120 mm case and 0.5 m cable enable installation in space‑limited environments.
Rugged Industrial Construction
IP67 rating ensures protection against dust, oil, and harsh industrial conditions.
Secure Connector Option
The 11‑05 locking connector improves retention and environmental sealing in vibration‑intensive setups.
8. Recommended Models (Same Series / Related)**
| Model | Probe Diameter | Cable Length | Case Length | Temp Range | Weight (kg) |
|---|---|---|---|---|---|
| 330103‑10‑12‑05‑02‑00 | 10 mm | 0.5 m | 120 mm | -40~85 °C | 0.39 |
| 330103‑10‑15‑10‑02‑00 | 10 mm | 1.0 m | 150 mm | -40~85 °C | 0.42 |
| 330103‑09‑15‑05‑02‑00 | 9 mm | 0.5 m | 150 mm | -40~85 °C | 0.38 |
| 330103‑10‑18‑10‑02‑00 | 10 mm | 1.0 m | 180 mm | -40~85 °C | 0.45 |
| 330103‑08‑15‑10‑02‑00 | 8 mm | 1.0 m | 150 mm | -40~85 °C | 0.35 |
9. Recommended Popular Models (Same Brand)**
| Model | Product Type | Series | Voltage | Output | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|---|
| 3300 XL Proximitor Sensor | Proximitor | 3300 XL | 24 V DC | Analog | 120 × 50 × 30 | 0.50 |
| 330180‑91‑00 | Proximitor | 3300 XL | 24 V DC | Analog | 120 × 50 × 30 | 0.48 |
| 330101‑00‑28‑10‑02‑05 | Probe | 3300 XL | -24 V DC | Analog | 150 × 20 × 30 | 0.28 |
| 330100‑50‑05 | Proximitor | 3300 Series | 24 V DC | Analog | 120 × 50 × 30 | 0.45 |
| 3300/65 Monitor | Monitor Module | 3300 | 24 V DC | Analog | 160 × 80 × 40 | 0.70 |
10. FAQ（10 Q&A）
Q1: What does this proximity probe measure?
A: It measures shaft vibration and displacement without physical contact.
Q2: What does the model number “10‑12‑05‑11‑05” mean?
A: 10 mm probe diameter, 120 mm case length, 0.5 m cable, 11‑05 connector variant.
Q3: Can it operate in oily and dusty environments?
A: Yes, it is designed to withstand industrial exposure to oil, dust, and vibration.
Q4: What is the typical installation gap?
A: Around 1–2 mm between the probe tip and shaft surface.
Q5: Does it require calibration?
A: Yes, proper gap adjustment is necessary for accurate measurement.
Q6: What materials can it detect?
A: Conductive metals such as steel or other ferrous materials.
Q7: How is the signal transmitted?
A: Through the coaxial system cable to a proximitor or monitoring module.
Q8: Is the connector secure for vibration environments?
A: Yes, the 11‑05 connector variant provides improved mechanical retention.
Q9: Can it provide speed reference signals?
A: Yes, it can be configured to provide Keyphasor or similar outputs.
Q10: What are common installation issues?
A: Improper gap setting, misalignment, or mismatched cabling components can affect performance.