Product Introduction
The Bently Nevada 330101‑00‑12‑10‑02‑00 3300 XL 8 mm Proximity Probe is an industry‑standard eddy‑current displacement sensor engineered for precise machinery condition monitoring. As part of the 3300 XL family, this probe measures radial shaft position, vibration, and motion without physical contact — providing early detection of mechanical abnormalities such as imbalance, looseness, misalignment, and bearing wear.
Its solid‑state design ensures durable performance in industrial environments, offering reliable data for vibration analysis and predictive maintenance systems that safeguard rotating equipment health.
Technical Specifications
| Parameter | Specification |
|---|
| Product Type | Eddy‑Current Proximity Probe |
| Model Number | 330101‑00‑12‑10‑02‑00 |
| Series | 3300 XL 8 mm |
| Measurement Type | Non‑contact displacement / proximity |
| Linear Range | ~8 mm (315 mils) |
| Sensitivity | ~100 mV/mm (2.54 mV/mil) |
| Operating Temperature | ‑35 °C to +120 °C (continuous) |
| Intermittent Temp | Up to ~250 °C |
| Cable | High‑temperature coaxial cable |
| Cable Length | Standard option (~1.0 m), customizable |
| Connector Type | Industrial connector (probe to cable) |
| Mounting Thread | Standard probe thread for fixture mounting |
| Target Size Recommendation | ≥ 40 mm diameter or equivalent flat target |
| Housing Material | Stainless steel corrosion‑resistant body |
| Protection | Front/rear moisture seals |
| Dimensions | Probe body Ø ~8 mm |
| Weight | Approx. 0.05 kg |
Industrial Applications
The 3300 XL 8 mm proximity probe is widely used in condition monitoring and advanced machinery protection systems across diverse industries:
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Vibration and shaft displacement monitoring on pumps, compressors, and motors
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Bearing and rotor condition assessment in turbines and generators
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Machinery health analytics in power generation facilities
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Predictive maintenance systems in chemical and petrochemical plants
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Real‑time fault detection for industrial rotating equipment
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Foundation vibration assessment in heavy manufacturing
By providing precise displacement and positional data, this probe helps engineers detect incipient faults before they escalate into costly failures.
Key Advantages
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Non‑contact measurement: Reduces wear and ensures long service life
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8 mm linear range: Ideal for compact measurement gaps and small‑shaft machinery
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High environmental tolerance: Supports continuous operation up to +120 °C
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High sensitivity: Provides clear, low‑noise output for accurate diagnostics
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Compact stainless‑steel housing: Rugged and corrosion‑resistant for industrial use
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Easy integration: Compatible with 3300 XL monitoring systems and vibration analysis hardware
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Customizable cable length: Adjustable to match installation needs
These advantages make the 3300 XL 8 mm probe a dependable choice for machinery health monitoring, especially in applications requiring precise gap measurement and high signal fidelity.
Technical FAQs
1. What does this probe measure?
It measures radial displacement and proximity without physical contact using eddy‑current technology.
2. What is the effective measurement range?
Approximately 8 mm, suitable for small gap monitoring.
3. What environments can it operate in?
Continuous operation from ‑35 °C to +120 °C, with intermittent tolerance up to ~250 °C.
4. How is it mounted?
It uses standard probe threads and fixtures suitable for bearings or shaft housings.
5. What cable type does it use?
High‑temperature coaxial cable with industrial connectors.
6. What connector type is standard?
Rugged industrial connectors designed for secure connections.
7. What target size is recommended?
Targets with ≥ 40 mm diameter or equivalent flat surface yield accurate readings.
8. Is it suitable for harsh industrial environments?
Yes — rugged housing and cable support resistance to moisture, vibration, and temperature changes.
9. Does it require calibration?
Periodic calibration is recommended to maintain measurement accuracy.
10. How does it integrate with monitoring systems?
It pairs with 3300 XL and compatible monitoring/protection modules for data acquisition and analysis.
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