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The primary uses for the 3300 XL NSv Transducer System are for areas where counter bore, sideview, or rearviewrestrictions limit the use of standard Bently Nevada 3300 and3300 XL 5 and 8 mm Transducer Systems. It is also ideal forsmall target applications, such as measuring radial vibrationon shafts smaller than 51 mm (2 in) or axial position on flattargets smaller than 15 mm (0.6 in). It is primarily used in thefollowing applications on fluid-filmed bearing machineswhere 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

Q : What does "NSv" stand for in the Bently Nevada 3300 NSv system?

A: It stands for Narrow Smooth-bore version. It is engineered for applications with tight installation clearances, small target sizes, or counterbore constraints.

Q : What specific hardware configuration does the part number 330902 represent?

A: It specifies a 3300 NSv Proximity Probe with a 1/4-28 UNF English thread and fluid-tight stainless steel armor.

Q : What is the standard linear range of the 3300 NSv system?

A: Its standard linear range is 1.5 mm (60 mils), which is tighter and starts closer to the target than a standard 8mm probe.

Q : What is the operating temperature range for the 330902 probe body?

A: The probe tip and integral cable are designed to function reliably from -34°C to +177°C (-30°F to +350°F).

Product Applications

Air and Refrigeration Compressor Plants: Centrifugal air compressors, large industrial refrigeration/cooling compressors (such as air separation units, plant power air sources).

Petrochemical and Refinery Plants: Process gas compressors, high-speed, low-power steam turbines, various pipeline pumps.

Thermal and Hydropower Power Plants: Internal condition monitoring of bearing housings for small and medium-sized generator sets and steam turbine auxiliary equipment (such as feedwater pumps and induced draft fans).

Large Manufacturing and Metallurgical Plants: Blast furnace blowers, high-power exhaust systems, and other fluid power machinery.