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The Bently Nevada 330104‑00‑05‑50‑11‑00 is a high‑precision eddy‑current proximity probe designed for continuous monitoring of rotating machinery. It provides reliable measurement of radial shaft displacement and dynamic vibration, enabling early identification of mechanical faults such as imbalance, misalignment, looseness, and bearing failure.
Engineered for demanding industrial conditions, this sensor is built with a rugged stainless steel housing that withstands vibration, dust, moisture, and broad temperature fluctuations. It integrates easily with vibration monitoring systems, control systems, and machine protection platforms, delivering stable and repeatable data for condition monitoring and predictive maintenance purposes.
This model supports plant engineers and maintenance teams in improving equipment reliability, optimizing maintenance planning, and preventing costly unplanned outages.
| Parameter | Specification |
|---|---|
| Model | 330104‑00‑05‑50‑11‑00 |
| Sensor Type | Eddy‑Current Proximity Probe |
| Measurement Range | 0–100 mils (0–2.54 mm) |
| Frequency Response | 0.5 Hz – 20 kHz |
| Output Type | Differential (AC or DC) |
| Excitation Voltage | 2.5–10 V DC |
| Operating Temperature Range | -40 °C to +120 °C |
| Housing Material | Stainless Steel |
| Cable Type | Shielded Twisted‑Pair |
| Connector Type | LEMO / M12 Options |
| Dimensions (L × Ø) | 100 mm × 25 mm |
| Weight | 0.32 kg |
| Mounting | Threaded or Flange Mounting |
| Accuracy | ±1% Full Scale |
This parameter table includes all essential technical attributes and provides the physical size and weight of the sensor.
The 330104‑00‑05‑50‑11‑00 proximity probe is suited for a range of industrial applications where accurate machinery monitoring is critical:
These applications demand dependable sensors capable of continuous operation in industrial environments. The 330104‑00‑05‑50‑11‑00 meets these requirements through durable design and stable performance.
The 330104‑00‑05‑50‑11‑00 stands out for several key strengths:
• Accurate and Stable Measurement: Provides high‑fidelity data for precise analysis of shaft motion.
• Robust Industrial Design: Stainless steel housing and sealed construction ensure long service life under harsh conditions.
• Wide Frequency Response: Captures both low‑frequency machine drift and high‑frequency vibration.
• Temperature Resilience: Operating range from -40 °C to +120 °C supports various industrial environments.
• Flexible Installation: Supports threaded and flange mounting for adaptable fit on different equipment types.
• Low Maintenance: Designed for long operational intervals with minimal routine adjustment required.
• Easy System Integration: Works seamlessly with existing monitoring and protection systems.
These advantages make this sensor a reliable component in predictive maintenance strategies and machinery protection systems across heavy industries.
Bently Nevada has a longstanding reputation for advanced condition monitoring and machinery protection hardware used broadly in industrial operations.
• 3300 Series Proximity Probes / Vibration Monitoring Sensors
The 3300 Series encompasses a broad range of displacement and vibration sensors engineered to provide long‑term, high‑accuracy performance in demanding operational environments.
| Model | Measurement Range | Frequency Response | Dimensions (L × Ø) | Weight (kg) |
|---|---|---|---|---|
| 330104‑00‑05‑50‑02‑00 | 0–100 mils | 0.5 Hz – 20 kHz | 95 mm × 25 mm | 0.30 |
| 330104‑00‑05‑50‑02‑01 | 0–100 mils | 0.5 Hz – 20 kHz | 95 mm × 25 mm | 0.30 |
| 330104‑00‑05‑50‑02‑02 | 0–150 mils | 0.5 Hz – 22 kHz | 100 mm × 26 mm | 0.32 |
| 330104‑00‑05‑50‑11‑05 | 0–100 mils | 0.5 Hz – 20 kHz | 100 mm × 25 mm | 0.32 |
| 330104‑00‑05‑50‑02‑03 | 0–200 mils | 1 Hz – 20 kHz | 105 mm × 28 mm | 0.35 |
These related models vary primarily in measurement range and frequency response, offering alternatives suited to specific machinery and monitoring requirements.
| Model | Measurement Type | Frequency Range | Dimensions (L × Ø) | Weight (kg) |
|---|---|---|---|---|
| 3500/22 | Velocity Sensor | 1 Hz – 10 kHz | 100 mm × 25 mm | 0.35 |
| 3300 XL | Proximity Sensor | 0.5 Hz – 20 kHz | 90 mm × 22 mm | 0.28 |
| 7200 Vibration Transmitter | Vibration Transmitter | 1 Hz – 25 kHz | 120 mm × 40 mm | 0.80 |
| 3300 XL Orbit Monitor | Shaft Orbit Measurement | 0.5 Hz – 20 kHz | 110 mm × 30 mm | 0.40 |
| 3500/40 | Acceleration Sensor | 1 Hz – 20 kHz | 100 mm × 28 mm | 0.32 |
Q1: What is the primary purpose of the 330104‑00‑05‑50‑11‑00?
A1: It continuously measures shaft displacement and vibration to detect early machine faults.
Q2: What environments can this sensor handle?
A2: It operates reliably from -40 °C to +120 °C in dusty, vibrating, and moisture‑exposed conditions.
Q3: What type of output signal does it provide?
A3: It provides differential outputs, usable in AC or DC monitoring systems.
Q4: How is the sensor mounted?
A4: Using threaded or flange mounting depending on the application.
Q5: What is the measurement range?
A5: 0–100 mils (0–2.54 mm) of radial shaft movement.
Q6: What are the sensor’s dimensions and weight?
A6: 100 mm in length, 25 mm in diameter, and weighing 0.32 kg.
Q7: Does it require regular maintenance?
A7: It is designed for long‑term use with minimal maintenance; periodic calibration is recommended.
Q8: Which industries commonly use this sensor?
A8: Industries such as power generation, refining, petrochemical, oil & gas, and heavy manufacturing use this type of sensor.
Q9: Can it detect high‑frequency vibration?
A9: Yes, it has a frequency response up to 20 kHz.
Q10: Can it integrate with automated protection systems?
A10: Yes, it can feed real‑time data to alarm and shutdown systems.