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- Bently Nevada
- 330104-00-11-90-02-00
- 3300 XL 8 mm Proximity Probes
- USA
- 150 × 100 × 20 mm
- 0.78kg
- Xiamen, China
- New & In Stock
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Bently Nevada 330104‑00‑11‑90‑02‑00
Comprehensive Product Overview (3300 XL 8 mm Proximity Probe Series – Long Cable Variant)
1. Product Introduction
The 330104‑00‑11‑90‑02‑00 is an industrial‑grade eddy current proximity probe designed for precise, non‑contact monitoring of rotating machinery vibration and shaft displacement. It is part of the 3300 XL 8 mm series, a mature family of proximity sensors widely used in condition monitoring and protection systems for critical equipment.
This sensor measures the radial displacement and vibration of conductive rotating shafts by detecting changes in the eddy currents induced in the target surface. These changes are converted into a stable electrical signal that reflects shaft motion. The “11” in the model indicates an enhanced internal configuration for improved sensitivity and signal linearity, and “90” signifies a long cable variant, typically about 9 m, to support flexible installation distances between sensor and monitoring cabinet. The “02‑00” suffix denotes standard industrial connector and wiring configuration.
The probe is engineered for long‑term, continuous operation in harsh industrial environments that include high vibration, temperature fluctuations, moisture, and airborne contaminants. Its robust construction and stable measurement characteristics make it suitable for condition monitoring, predictive maintenance, and machine protection applications.
2. Technical Specifications
| Parameter | Specification |
|---|---|
| Model | 330104‑00‑11‑90‑02‑00 |
| Series | 3300 XL 8 mm |
| Sensing Principle | Eddy current (non‑contact) |
| Probe Diameter | 8 mm |
| Measurement Range | 0–10 mm |
| Linear Range | ±3 mm |
| Sensitivity | Higher sensitivity version (~8 V/mm) |
| Frequency Response | 0–10 kHz |
| Typical Accuracy | ±0.1 % of full scale |
| Operating Temperature | ‑40 °C to +85 °C |
| Storage Temperature | ‑50 °C to +100 °C |
| Cable Length | 9 m |
| Connector Type | Industrial coaxial connector |
| Mounting Thread | M10 × 1 |
| Probe Tip Material | Stainless steel |
| Housing Material | Stainless steel |
| Protection Rating | IP67 |
| Dimensions (Approx.) | 150 × 100 × 20 mm |
| Weight | approx. 0.78 kg ( ) |
3. Product Applications
The 330104‑00‑11‑90‑02‑00 probe is intended for real‑time, continuous monitoring of critical rotating machinery. It provides accurate and repeatable displacement and vibration data that support machine health assessment, early fault detection, and protective actions.
Typical application environments include:
• Steam turbines used in power generation plants
• Gas turbines in industrial and combined cycle facilities
• Centrifugal compressors and blower trains
• Large industrial pumps and fans
• Electric motors and generators
Primary functional uses:
• Radial shaft vibration detection for imbalance, looseness, or bearing wear
• Axial shaft displacement and rotor position tracking
• Rotor dynamic analysis and trend monitoring
• Input for trip and alarm logic in protection systems
• Foundation for predictive maintenance strategies
The long 9 m cable variant allows the probe to be installed on large machines while positioning the monitoring hardware at a convenient distance, improving accessibility and reducing electrical noise influence.
4. Product Advantages
Enhanced sensitivity:
The “11” configuration provides higher measurement sensitivity and stable signal output, making it suitable for detailed analysis of shaft behavior.
Non‑contact measurement:
Eddy current technology eliminates wear and reduces the need for frequent maintenance.
Robust industrial design:
Stainless steel materials and IP67 protection allow operation in environments with high vibration, moisture, dust, and industrial contaminants.
Long cable flexibility:
The 9 m cable provides installation flexibility, useful when machinery layout requires distance between the sensor and control room.
Wide temperature tolerance:
Designed to function reliably over a wide range of temperatures encountered in industrial operations.
High compatibility:
Works seamlessly with common condition monitoring and machine protection systems.
5. Brand & Series
• Brand: Bently Nevada
• Series: 3300 XL Series
• Product Type: 8 mm Eddy Current Proximity Probe
The 3300 XL series is well known for delivering precise and reliable feedback in machinery condition monitoring and protection loops in heavy industry worldwide.
6. Recommended Related 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 | Standard 10 mm probe | Range: 0–10 mm; Cable: 5 m; Weight: 0.75 kg ( ); Dim: 150×100×20 mm |
| 330104‑00‑09‑15‑01‑00 | High clearance 15 mm 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 m 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 | Large gap 12 mm 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 main function of this probe?
A: It measures radial vibration and shaft displacement without physical contact.
Q2: What does the “11” configuration signify?
A: It indicates enhanced sensitivity and improved linear response for detailed dynamic monitoring.
Q3: Why does this model use a long cable (“90”)?
A: To allow flexible installation where monitoring hardware is located far from the shaft.
Q4: What is the measurement range?
A: Up to 10 mm of relative motion.
Q5: Is physical contact required with the shaft?
A: No, it uses eddy current non‑contact sensing.
Q6: Where is this type of probe commonly used?
A: In turbines, compressors, pumps, motors, and generators.
Q7: Can it operate in harsh environments?
A: Yes, it tolerates vibration, temperature extremes, dust, and oil mist.
Q8: How is it installed?
A: Mounted near the shaft with a controlled gap using the M10 × 1 threaded interface.
Q9: What maintenance is needed?
A: Periodic inspection and calibration help maintain accuracy.
Q10: Is it compatible with condition monitoring systems?
A: Yes, it integrates with standard industrial monitoring and protection systems.