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The Bently Nevada 330101-32-70-10-12-05 is a 3300 XL 8 mm Proximity Probe equipped with a 3/8-24 UNF threaded case and a non-armored integral cable. It is intended for use as part of the 3300 XL 8 mm Proximity Transducer System, working in conjunction with a compatible 3300 XL Extension Cable and 3300 XL Proximitor® Sensor. Together, these components form a complete transducer system that produces an output voltage proportional to the distance between the probe tip and a conductive target. This enables accurate monitoring of shaft vibration, axial position, differential expansion, shaft eccentricity, Keyphasor® reference, and rotational speed.

As a member of the 3300 XL 8 mm Proximity Transducer System, the 330101-32-70-10-12-05 benefits from the advanced performance of Bently Nevada's eddy current sensing technology. The standard 3300 XL 8 mm 5-meter system fully complies with the requirements of API 670 for mechanical configuration, linear range, measurement accuracy, and temperature stability. In addition, all 3300 XL 8 mm transducer system components are fully interchangeable, allowing probes, extension cables, and Proximitor® Sensors to be replaced individually without component matching or bench calibration, thereby simplifying installation, maintenance, and spare parts management.

Frequently Asked Questions

Q1: What does the "330101" at the start of a part number mean?

A1: It specifies a 3300 XL 8mm proximity probe with 3/8-24 UNF English threads and no stainless steel armor.

Q2: What do the options "-10" and "-12" mean in the part number?

A2: -10 designates a total probe cable length of 1.0 meter. -12 indicates a miniature coaxial ClickLoc connector with a FluidLoc fluid-resistant protector.

Q3: What is the nominal linear range of a 3300 XL 8mm sensor system?

A3: The system has a standard linear measuring range of 2.0 mm (80 mils).

Q4: What is the standard Scale Factor (sensitivity) of this system?

A4: The nominal scale factor is 7.87 V/mm (200 mV/mil).

Product Applications

Oil & Gas/Refineries: Hydrocracking compressors, natural gas pipeline compressors, crude oil pumps.

Oil & Gas/Refineries: Hydrocracking compressors, natural gas pipeline compressors, crude oil pumps.

Chemical & Petrochemical Plants: Syngas compressors, ammonia compressors, large centrifugal fans in large fertilizer plants.

Steel & Metallurgy Mills: Blast furnace blowers, large rolling mill mechanical bearings, high-pressure descaling pumps.