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The Bently Nevada 330903-00-02-10-12-CN is a 3300 NSv series proximity probe designed for non-contact measurement of shaft vibration and displacement in rotating machinery.

This model uses eddy current sensing technology and is designed for applications where an 8 mm proximity probe is suitable but installation space is limited. It features an M8 × 1 thread, 20 mm overall case length, 1.0 m cable, FluidLoc cable configuration, and CN (China hazardous area approval) option.

Technical Specifications

Item	Specification
Brand	Bently Nevada
Series	3300 NSv
Model	330903-00-02-10-12-CN
Product Type	NSv Proximity Probe
Measurement Principle	Eddy Current
Measurement Function	Shaft vibration & displacement
Probe Diameter	Approx. 8 mm
Thread Type	M8 × 1
Unthreaded Length	0 mm
Overall Case Length	20 mm
Total Cable Length	1.0 m
Connector Type	Miniature coaxial ClickLoc connector
Cable Type	FluidLoc cable
Armor	Without armor
Approval Option	CN (China-specific hazardous area approval)
Application	Rotating machinery condition monitoring

Dimensions & Weight

Item	Specification
Probe Body Dimensions (L × W × H)	Approx. 20 × 8 × 8 mm
Cable Length	1.0 m
Shipping Package Dimensions	Approx. 100 × 100 × 30 mm
Net Weight	Approx. 0.10 kg
Shipping Weight	Approx. 2.00 kg

Model Code Breakdown

330903-00-02-10-12-CN

Code	Meaning
330903	3300 NSv Probe, M8 × 1 thread, without armor
00	Unthreaded length 0 mm
02	Overall case length 20 mm
10	Total cable length 1.0 m
12	Miniature coaxial ClickLoc connector + FluidLoc cable
CN	China approval option

Recommended Related Models

Model	Description
330903-00-02-10-02-00	Standard cable version
330903-00-02-10-02-CN	CN approval standard cable version
330905-00-12-10-02-CN	M10 × 1 threaded NSv probe
330903-00-03-10-02-00	30 mm case length version
330980 Series	3300 XL NSv Proximitor Sensor

Applications

The 330903-00-02-10-12-CN is commonly used for:

Steam turbines
Gas turbines
Small centrifugal compressors
Pumps
Motors
Gearboxes
Turbo expanders
Industrial rotating machinery
Petrochemical equipment

Key Advantages

Compact 8 mm probe design for limited installation space
Non-contact shaft vibration measurement
Eddy current sensing technology
FluidLoc cable improves resistance to oil and fluid penetration
Compatible with 3300 NSv monitoring systems
Suitable for continuous online condition monitoring
Supports predictive maintenance programs
Reliable operation in industrial environments
CN hazardous-area approval option available

Technical FAQs

Q1. What is the main function of this probe?
It measures shaft vibration and displacement without physical contact.

Q2. What does “330903” represent?
It identifies the 3300 NSv M8 × 1 threaded proximity probe series.

Q3. What does “02” mean in the second section?
It indicates a 20 mm overall case length.

Q4. What does “10” represent?
It indicates a 1.0 meter total cable length.

Q5. What is the difference between 02 and 12 cable options?

02: Standard cable
12: FluidLoc cable configuration for improved fluid resistance

Q6. What does “CN” mean?
It indicates the China-specific approval option for hazardous area applications.

Q7. Does it work independently?
No. It requires a compatible 3300 NSv Proximitor Sensor and monitoring module.

Q8. Why use NSv probes instead of standard 8 mm probes?
NSv probes are designed for applications requiring a smaller probe diameter and compact mounting space.

Q9. What equipment uses this probe?
Small turbines, compressors, pumps, motors, and other rotating machinery.

Q10. Is it suitable for continuous monitoring?
Yes, it is designed for permanent machinery protection and condition monitoring systems.

Look forward to your comments!Comment