Introduction
The Bently Nevada 330105-02-12-05-02-00 3300 XL Reverse Mounting Probe is a precision sensor probe designed for monitoring rotating machinery. It measures shaft displacement, vibration, and proximity to provide accurate condition monitoring in critical industrial equipment.
This probe is part of the 3300 XL series, optimized for reverse mounting applications, where installation constraints require the sensor to be mounted opposite the standard orientation. It features an 8 mm probe diameter, a total length of 0.5 meters, and a weight of 0.162 kg, allowing compact and flexible installation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Model | 330105-02-12-05-02-00 |
| Series | 3300 XL |
| Sensor Type | 8 mm Reverse Mounting Probe |
| Manufacturer | Bently Nevada |
| Function | Shaft displacement, vibration, and proximity measurement |
| Total Length | 0.5 meters |
| Weight | 0.162 kg |
| Mounting | Reverse orientation for constrained spaces |
| Application | Rotating machinery condition monitoring |
The probe provides high-precision measurements with reliable performance in industrial environments, supporting early detection of misalignment, imbalance, or shaft instability.
Applications
The 3300 XL Reverse Mounting Probe is widely used in:
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Steam, gas, and hydro turbines
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Electric motors and generators
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Pumps and compressors
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Rotating machinery monitoring in power plants and industrial facilities
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Predictive maintenance systems
It enables continuous condition monitoring, reducing downtime and increasing operational safety.
Advantages
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High-precision 8 mm probe for accurate shaft measurement
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Designed for reverse mounting to suit installation constraints
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Compact and lightweight for flexible deployment
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Robust performance in industrial environments
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Supports predictive maintenance and early fault detection
Technical FAQs
Q1: What is the primary function of this probe?
It measures shaft displacement, vibration, and proximity for condition monitoring of rotating machinery.
Q2: What does “reverse mounting” mean?
The probe is designed to be installed in the opposite orientation from standard probes to accommodate space or mounting limitations.
Q3: Where is this probe installed?
Near the shaft of turbines, motors, pumps, or other rotating machinery.
Q4: What industries commonly use this probe?
Power generation, oil and gas, manufacturing, and any facility with critical rotating equipment.
Q5: Why is an 8 mm probe important?
It provides a precise measurement interface while allowing compact installation for tight spaces.





