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The 3300 XL NSv Proximity Transducer System is designed for use with centrifugal air compressors, refrigeration compressors, process gas compressors, and other machines with tight installation requirements. The system consists of:

a 3300 NSv probe

a 3300 NSv extension cable

a 3300 XL NSv Proximitor Sensor(1)

The primary applications of the 3300 XL NSv Transducer System are in areas where counter bore, sideview, or rearview restrictions limit the use of standard Bently Nevada 3300 and 3300 XL 5 and 8 mm Transducer Systems. It is also ideal for small target applications, such as measuring radial vibration on shafts smaller than 51 mm (2 in) or axial position on flat targets smaller than 15 mm (0.6 in). The system is primarily used in the following applications on fluid-filmed bearing machines where a small shaft or reduced side-view is present:

Radial vibration and radial position measurements

Axial (thrust) position measurements

Tachometer and zero-speed measurements

Phase reference (Keyphasor signals)

Frequently Asked Questions

Q1: What is the Bently Nevada 330903-00-11-10-02-CN Proximity Probe used for?

A: The 330903-00-11-10-02-CN is a non-contact proximity probe used for measuring shaft vibration, shaft position, and displacement in rotating machinery. It is commonly employed in machinery protection and condition monitoring systems.

Q2: What does the "11" option indicate in this 330903-00-11-10-02-CN model number?

A: The 11 option specifies an overall case length of 110 mm, making the probe suitable for installations that require a longer mounting configuration.

Q3: What is the output resistance of the 330903-00-11-10-02-CN?

A: The 330903-00-11-10-02-CN probe has an output resistance of 50 Ω, helping maintain stable signal transmission between the probe system and monitoring equipment.

Q4: What is the extension cable capacitance of this 330903-00-11-10-02-CN probe?

A: The 330903-00-11-10-02-CN extension cable has a typical capacitance of 69.9 pF/m (21.3 pF/ft), an important parameter for system calibration and signal performance.

Product Applications 

Oil & Gas: Used for monitoring critical rotating machinery in natural gas extraction, long-distance pipelines, and large refineries.

Petrochemical & Chemical: The probe's excellent chemical corrosion resistance design allows it to operate stably for extended periods in specialized chemical process environments with corrosive gases.

Air Separation & Refrigeration: Used for monitoring core equipment in air separation units and industrial refrigeration systems.

Power Generation: Vibration monitoring of small and medium-sized steam turbines, water turbines, and auxiliary equipment.