Product Description:

The Bently Nevada 330908-00-25-50-02-CN is an eddy current proximity probe from the specialized 3300 NSv series. It is for fluid-film bearing vibration, thrust position, and speed tracking in rotating machinery with highly restricted physical spaces or small target diameters.The primary uses for the 3300 XL NSv Transducer System are for 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).

Frequently Asked Questions (FAQ)

Q:Can I mix and match this probe with standard 3300 XL extension cables?

A:No. The 3300 NSv series has unique electrical characteristics tailored for tight spaces. To maintain calibrated linearity, you must completely match this probe with a corresponding 3300 NSv extension cable and a 3300 XL NSv Proximitor Sensor. Upgrading from legacy 3000 or 7000 series systems requires changing all three components at once.
Q:What is the standard target material calibration for this probe?
A:By default, the transducer system is calibrated at the factory for AISI 4140 steel. While custom calibrations for other conductive target materials can be ordered, system accuracy and interchangeability specifications will deviate if used on alternative metals without a matched Proximitor sensor.

Q:How does this sensor physically resist process chemicals?
A:The 3300 NSv series incorporates an advanced Polyphenylene Sulfide (PPS) probe tip material paired with a reliable internal pressure seal. This construction makes it highly resistant to corrosive process chemicals and synthetic lubricants, which are common in high-speed centrifugal air compressors and refrigeration turbomachinery.

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