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- 330104-00-06-20-01-00
- 3300 XL 8 mm Proximity Probes
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- 20 mm × 80 mm
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Bently Nevada 330104‑00‑06‑20‑01‑00 Detailed Product Guide (3300 XL 20 mm Series)
1. Basic Product Information
- Model: 330104‑00‑06‑20‑01‑00
- Brand: Bently Nevada
- Series: 3300 XL 20 mm Proximity Probe Series
- Product Type: Eddy Current Proximity Probe
The 330104‑00‑06‑20‑01‑00 is a high‑precision, non‑contact eddy current proximity probe designed for industrial vibration and displacement measurement. This model features a 20 mm diameter sensing head and is part of the 3300 XL 20 mm series, which is designed for monitoring large rotating machinery where higher mechanical robustness, larger stroke range, and enhanced environmental tolerance are required. Its construction supports demanding industrial applications including turbines, compressors, pumps, and heavy‑duty motors.
2. Technical Specifications
Parameter Table
| Parameter | Specification |
|---|---|
| Probe Diameter | 20 mm |
| Measurement Range | 0 – 20 mm |
| Case Length | 80 mm |
| Unthreaded Length | 0 mm |
| Cable Length | 1.0 m |
| Connector Type | Miniature coaxial connector |
| Cable Type | Standard industrial cable |
| Probe Tip Material | High‑temperature PPS polymer |
| Housing Material | Stainless steel |
| Operating Voltage | 12 – 24 V DC |
| Output Signal | Eddy current analog output |
| Frequency Response | High‑frequency dynamic response |
| Response Time | < 1 ms |
| Operating Temperature | ‑40 °C to +85 °C |
| Protection Rating | IP67 |
| Mounting Thread | M12 × 1.5 |
| Dimensions | Ø20 mm × 80 mm |
| Weight (kg) | 0.420 kg |
3. Product Description
The 330104‑00‑06‑20‑01‑00 proximity probe uses eddy current technology to convert variations in induced electromagnetic fields into electrical signals representing shaft displacement or vibration. As a shaft or conductive surface moves closer to or farther from the sensing tip, the probe detects changes in eddy current intensity and translates these into precise measurements.
The larger 20 mm diameter provides enhanced mechanical strength, making this probe suitable for larger rotating components and heavy industrial applications. Its extended 80 mm body length allows for flexible mounting in locations where additional reach is beneficial. The stainless steel housing offers corrosion and mechanical shock resistance, while the reinforced cable and industrial‑grade connector ensure signal integrity under demanding environmental conditions.
Designed for integration with 3300 XL monitoring systems, this probe plays a key role in predictive maintenance and machine protection systems by delivering accurate, continuous measurements of vibration and position.
4. Applications
The 330104‑00‑06‑20‑01‑00 is widely used in industrial environments where large rotating machinery is in service and precise monitoring is critical:
- Steam turbines and generators in power plants
- Large compressors and blowers
- Heavy industrial pumps for oil, gas, chemical, and water industries
- Large electric motors and drive systems
- Gearboxes and transmission systems under high dynamic load
- Turbo machinery including fans, blowers, and vacuum pumps
- Petrochemical and refining process equipment
Typical Monitoring Functions
- Radial vibration analysis
- Axial displacement tracking
- Shaft relative position measurement
- Phase and timing reference detection
- Condition‑based fault detection including imbalance, misalignment, looseness, and wear
5. Product Advantages
High Mechanical Strength: 20 mm diameter ensures support and stability for large machinery.
Wide Measurement Range: Up to 20 mm range accommodates large shaft motion and displacement.
Non‑Contact Measurement: Eddy current sensing eliminates mechanical wear and increases service life.
Fast Dynamic Response: Sub‑millisecond response captures rapid changes in shaft movement.
Durable Construction: Stainless steel housing and high‑temperature PPS tip resist corrosion and impact.
Environmental Resilience: IP67 protection supports performance in dust, moisture, oil, and harsh plant environments.
Flexible Installation: Extended 80 mm body allows versatile mounting in complex machinery spaces.
Predictive Maintenance Support: Real‑time data enables early detection of abnormal vibration and shaft movement.
6. Recommended Models (Same Series / Related)
Table – 3300 XL 20 mm Series Related Models
| Model | Key Parameters |
|---|---|
| 330104‑00‑06‑20‑01‑05 | Reinforced cable version for high vibration and mechanical stress |
| 330104‑00‑06‑20‑02‑00 | Extended case version with longer reach |
| 330104‑00‑10‑20‑01‑00 | Higher measurement range variant |
| 330104‑00‑08‑20‑01‑00 | Alternate configuration with different case length |
| 330104‑00‑05‑90‑02‑05 | 20 mm series with armored long cable option |
7. Popular Models from the Same Brand
Table – Hot‑Selling Models
| Model | Key Parameters |
|---|---|
| 330180‑50‑00 | Signal conditioning module with multi‑probe support |
| 330850‑90‑05 | High‑sensitivity proximity sensor (25 mm range) |
| 330101‑00‑28‑10‑02‑05 | 10 mm extended probe with long cable |
| 330105‑02‑12‑05‑02‑05 | Flexible configuration probe variant |
| 330171‑00‑14‑10‑02‑00 | Industrial vibration sensor module |
8. FAQ (Q&A Format)
Q1: What is the main purpose of this probe?
A: To measure shaft vibration and displacement without contact for machine protection and monitoring.
Q2: Why does this probe use a 20 mm diameter?
A: The larger diameter provides increased mechanical strength and stability for large machinery applications.
Q3: What is the measurement range?
A: 0–20 mm of displacement.
Q4: Why is non‑contact measurement important?
A: It reduces mechanical wear and increases service life by avoiding physical contact with the shaft.
Q5: What environments can this probe handle?
A: It is rated IP67 and can tolerate dust, moisture, oil, and harsh industrial conditions.
Q6: What type of signal does it output?
A: Analog eddy current output representing real‑time displacement or vibration.
Q7: What is the typical cable length?
A: 1.0 meter of industrial cable.
Q8: How is the probe mounted?
A: Using an M12 × 1.5 threaded fitting near the measurement point.
Q9: What industries use this model most?
A: Power generation, petrochemical, oil and gas, heavy manufacturing, and large motor installations.
Q10: What is the benefit of the extended case length?
A: Better mounting flexibility and greater reach in complex machinery assemblies.