Product Overview
Bently Nevada 330704-00-05-10-02-CN is a 3300 XL 11 mm armored proximity probe designed for shaft vibration and position monitoring in turbines, compressors, generators, and heavy industrial rotating machinery. It operates within the Bently Nevada 3300 XL eddy-current system and delivers stable displacement signals in harsh mechanical and electrical environments.
This probe is built for applications requiring enhanced mechanical protection through armored cable construction. It is commonly deployed in refineries, power plants, and offshore installations where vibration, oil exposure, and mechanical abrasion are continuous operating conditions.
The M14 x 1.5 threaded interface provides secure installation and stable alignment under high vibration loads, ensuring long-term measurement consistency in critical machinery protection systems.
Configuration Breakdown
| Segment |
Meaning |
| 330704 |
3300 XL 11 mm armored probe series |
| 00 |
0 mm unthreaded length |
| 05 |
5 mm case length option |
| 10 |
1.0 m system cable length |
| 02 |
ClickLoc connector with standard cable |
| CN |
Country-specific approval configuration |
Each parameter defines probe geometry, cable length, connector type, and regional compliance classification within the 3300 XL probe system.
Technical Specifications
| Parameter |
Specification |
| Model |
330704-00-05-10-02-CN |
| Brand |
Bently Nevada |
| Origin |
United States |
| Weight |
2 kg |
| Product Type |
11 mm armored proximity probe |
| Thread Type |
M14 x 1.5 |
| Cable Type |
Armored construction |
| Cable Length |
1.0 m |
| Connector Type |
Miniature coaxial ClickLoc |
| Operating Temperature |
-51 to 177 deg C |
| Probe Tip Material |
Polyphenylene sulfide (PPS) |
| Probe Case Material |
AISI 304 stainless steel |
| Sealing Material |
Viton O-ring |
| Application |
Vibration and shaft position monitoring |
Engineering Interpretation Notes
The armored cable construction provides additional mechanical protection against abrasion, impact, and installation damage in harsh industrial environments. This improves long-term reliability in high-vibration machinery zones.
The PPS probe tip material ensures stable dielectric performance under elevated temperature conditions, maintaining linear response in eddy-current measurement systems.
The stainless steel probe body enhances corrosion resistance and mechanical rigidity, supporting long-term deployment in refinery and offshore applications.
Field Application Notes
Where is this probe used?
It is used in turbines, compressors, and heavy rotating machinery in industrial plants.
What is the benefit of armored cable?
It provides mechanical protection against abrasion and external damage in harsh environments.
Is it compatible with standard 3300 XL systems?
Yes. It is fully compatible with Bently Nevada 3300 XL monitoring systems.
Can it operate in high-temperature zones?
Yes. It supports operation up to 177 deg C.
Installation & Commissioning Notes
Ensure correct M14 thread torque during installation to prevent misalignment under vibration stress.
Avoid sharp bending of armored cable to maintain internal conductor integrity.
Route probe cable away from high-voltage and VFD output wiring to reduce EMI influence.
Verify probe gap calibration before system commissioning to ensure correct signal linearity.
Engineering & Operational Guidance
Maintain proper cable routing radius to avoid mechanical fatigue in armored sheath over time.
Inspect connector locking mechanism during installation to ensure stable electrical contact.
Avoid mechanical shock during installation to protect probe tip alignment accuracy.
Perform periodic inspection in high-vibration environments to ensure long-term stability of mounting and signal output.