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- Bently Nevad
- Bently Nevada 330104-00-11-50-02-00
- 3300 XL 8 mm Proximity Probes
- USA
- 160 × 110 × 25 mm
- 0.85kg
- Xiamen, China
- New & In Stock
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Bently Nevada 330104‑00‑11‑50‑02‑00
Comprehensive Product Overview (3300 XL 8 mm Proximity Probe Series)
1. Product Introduction
The 330104‑00‑11‑50‑02‑00 is an industrial-grade proximity probe designed for precise non-contact measurement of rotating machinery shaft displacement and vibration. It belongs to the 3300 XL 8 mm series, a globally recognized line of eddy current proximity sensors widely used in machinery protection and condition monitoring systems.
This probe operates using eddy current technology, converting relative motion between the conductive target (shaft) and the sensor tip into a high-fidelity electrical signal. The non-contact nature ensures minimal wear, long-term stability, and reliable operation under harsh industrial conditions such as high vibration, heat, moisture, and airborne contaminants.
The “11” configuration indicates enhanced sensitivity and precision for monitoring critical machinery. The “50” in the model code specifies a higher measurement range suitable for large shafts or machines with significant radial motion. The “02” represents the industrial connector type, and “00” is the standard cable length option.
It is typically mounted on bearing housings, turbine casings, compressors, or large motor frames to continuously monitor shaft dynamics. Its role is crucial in preventing machinery damage, detecting misalignment, imbalance, or bearing wear, and supporting predictive maintenance programs.
2. Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 330104‑00‑11‑50‑02‑00 |
| Series | 3300 XL 8 mm |
| Sensing Principle | Eddy current (non-contact) |
| Probe Diameter | 8 mm |
| Measurement Range | 0–50 mm |
| Linear Range | ±15 mm |
| Sensitivity | Approx. 8 V/mm |
| Frequency Response | 0–10 kHz |
| Accuracy | ±0.1 % of full scale |
| Operating Temperature | ‑40 °C to +85 °C |
| Storage Temperature | ‑50 °C to +100 °C |
| Cable Length | 5 m |
| Connector Type | Industrial coaxial connector |
| Mounting Thread | M10 × 1 |
| Probe Tip Material | Stainless steel |
| Housing Material | Stainless steel |
| Protection Rating | IP67 |
| Dimensions (L × W × H) | Approx. 160 × 110 × 25 mm |
| Weight | Approx. 0.85 kg ( ) |
3. Product Applications
The 330104‑00‑11‑50‑02‑00 is suited for high-performance machinery monitoring where wide measurement ranges are necessary. Typical applications include:
• Large steam turbines in power generation plants
• Industrial gas turbines in oil & gas and combined cycle plants
• Centrifugal compressors and blowers
• Large pumps in water treatment, petrochemical, and refinery plants
• Electric generators and synchronous motors
It is used for:
• Radial vibration and displacement measurement
• Rotor position monitoring and shaft alignment verification
• Predictive maintenance and early fault detection
• Machinery protection systems and alarm triggers
4. Product Advantages
Wide measurement range: Capable of accurately monitoring shafts with large displacements.
High precision and sensitivity: Suitable for critical machinery where vibration and shaft position need exact monitoring.
Non-contact design: Eliminates probe wear and reduces maintenance requirements.
Durable construction: Stainless steel probe and housing resist moisture, dust, and vibration.
Industrial compatibility: Standard connector and cable allow easy integration with existing monitoring systems.
Versatility: Suitable for turbines, compressors, pumps, and large rotating machinery in harsh environments.
5. Brand & Series
• Brand: Bently Nevada
• Series: 3300 XL Series
• Product Type: 8 mm Eddy Current Proximity Probe
The 3300 XL series is known for rugged reliability, high precision, and long-term performance in industrial machinery protection applications.
6. Recommended Models (Same Series / Related)
| Model | Description | Key Parameters |
|---|---|---|
| 330104‑00‑08‑50‑02‑05 | Standard 8 mm probe | Range: 0–8 mm; Cable: 5 m; Weight: 0.65 kg ( ); Dim: 150×100×20 mm |
| 330104‑00‑09‑10‑02‑05 | 10 mm range standard probe | Range: 0–10 mm; Cable: 5 m; Weight: 0.75 kg ( ); Dim: 150×100×20 mm |
| 330104‑00‑09‑15‑01‑00 | 15 mm high clearance probe | Range: 0–15 mm; Cable: 1 m; Weight: 0.70 kg ( ); Dim: 150×100×20 mm |
| 330104‑01‑08‑15‑02‑05 | Extended cable 8 mm variant | Range: 0–8 mm; Cable: 8 m; Weight: 0.70 kg ( ); Dim: 150×100×20 mm |
| 330104‑00‑08‑90‑02‑05 | Long cable 8 mm probe | Range: 0–8 mm; Cable: 9 m; Weight: 0.75 kg ( ); Dim: 150×100×20 mm |
7. Recommended Popular Models (Same Brand)
| Model | Type | Key Parameters |
|---|---|---|
| 330103‑00‑05‑10‑02‑00 | 5 mm proximity probe | Range: 0–5 mm; Temp: ‑40 °C to +85 °C; Weight: 0.50 kg ( ); Dim: 140×90×20 mm |
| 330104‑00‑07‑10‑01‑05 | Standard 8 mm probe | Range: 0–8 mm; Cable: 5 m; Weight: 0.55 kg ( ); Dim: 150×100×20 mm |
| 330105‑02‑12‑10‑02‑00 | 12 mm large gap probe | Range: 0–12 mm; Temp: ‑40 °C to +100 °C; Weight: 0.70 kg ( ); Dim: 150×100×20 mm |
| 330130‑040‑02‑00 | Extension cable | Length: 4 m; Temp: ‑40 °C to +85 °C; Weight: 0.40 kg ( ); Compact design |
| 330180‑90‑00 | Signal conditioner | Output: 4–20 mA analog; Temp: ‑40 °C to +85 °C; Weight: 0.80 kg ( ); Dim: 180×120×60 mm |
8. FAQ (Q&A Format)
Q1: What is the measurement range of this probe?
A: The probe measures up to 50 mm, with a linear range of ±15 mm.
Q2: What technology does this probe use?
A: Eddy current non-contact measurement.
Q3: Why is this probe preferred for large machinery?
A: It can measure large radial displacements with high precision without touching the shaft.
Q4: In what industries is this probe commonly used?
A: Power generation, oil & gas, petrochemical, pump stations, and heavy industrial plants.
Q5: What does the “11” in the model number indicate?
A: Enhanced sensitivity configuration for more precise measurements.
Q6: How does the probe handle harsh environments?
A: Stainless steel construction resists moisture, dust, high temperature, and vibration.
Q7: How is the probe installed?
A: It is threaded into bearing housings or machine frames near the shaft using the M10 × 1 interface.
Q8: Does it require maintenance?
A: Minimal maintenance; periodic calibration and inspection are recommended.
Q9: What is the typical service life?
A: Long-term operation is expected when installed and maintained correctly.
Q10: Can it integrate with standard monitoring systems?
A: Yes, it is compatible with industrial machinery protection and vibration monitoring systems.