Introduction

The Bently Nevada 330105-02-12-10-02-00 3300 XL 8 mm Reverse Mounting Probe is designed for demanding industrial vibration monitoring where probe installation must occur from the back side of the mounting bracket. Built for long-term reliability, this probe delivers stable displacement measurements even in harsh environments such as high temperatures, turbine housings, compressors, and mission-critical rotating assets. Its rugged construction ensures dependable performance and aligns with global condition-monitoring standards.

Technical Specifications

Specification	Details
Model	330105-02-12-10-02-00
Series	3300 XL 8 mm Reverse Mounting Probe
Measurement	Non-contacting displacement (eddy-current)
Sensor Tip Diameter	8 mm
Probe Type	Reverse-mount design for restricted installation spaces
System Compatibility	3300 XL Proximity Transducer System
Operating Temperature	Designed for elevated industrial temperatures
Cable Type	Integral, factory-calibrated
Calibration	Matched to extension cable and Proximitor for maximum accuracy
Dimensions	Total Length: 1.0 meter
Weight	0.323 kg

Recommended Related Models

330105-02-14-10-02-00 Reverse Mounting Probe
330104-00-12-10-02-05 3300 XL 8 mm Probe
330130-045-01-05 Extension Cable
3300 XL Proximitor 330180 Series

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Applications

Advantages

Technical FAQs

1. What is the purpose of a reverse-mounting probe?
It allows installation from the back of a bracket where front-side access is limited.

2. Is the 330105 probe interchangeable with standard 3300 XL probes?
It operates on the same system but the mounting configuration is unique.

3. Do I need a matched extension cable?
Yes, Bently Nevada proximity systems require matched combinations for calibration integrity.

4. Can this probe operate at high temperatures?
Yes, it is engineered for elevated industrial temperatures typical of API 670 environments.

5. What is the sensing range?
It supports the standard 8 mm proximity measurement range of the 3300 XL system.

6. Is it suitable for turbo machinery?
Absolutely—it's optimized for turbines, compressors, and other high-speed machinery.

7. Does the probe require periodic recalibration?
Factory calibration remains stable; no field recalibration is generally required.

8. How long is the cable?
The model code defines cable length; “02-12” corresponds to a specific factory-set length.

9. Can it monitor shaft vibration and position?
Yes, displacement, shaft orbit, and axial position monitoring are supported when paired with the correct system.

10. Is the probe resistant to oil contamination?
Yes, the design withstands oil, humidity, and contaminants commonly found in rotating equipment housings.

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