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The 330101-20-45-05-02-05 is an 8mm proximity probe from the 3300 XL series manufactured by Bently Nevada. It is one of the most widely used eddy current sensors in global industry, specifically designed for synchronous, non-contact condition monitoring of rotating machinery.
One 3300 XL 8 mm probe
One 3300 XL extension cable
One 3300 XL Proximitor Sensor
The 3300 XL 8 mm system delivers the most advanced performance in our eddy current proximity transducer systems. The standard 3300 XL 8 mm 5-metre system also fully complies with the American Petroleum Institute’s (API) 670 Standard (4th Edition) for mechanical configuration, linear range, accuracy, and temperature stability. All 3300 XL 8 mm proximity transducer systems provide this level of performance and support complete interchangeability of probes, extension cables, and Proximitor sensors, eliminating the need to match or bench calibrate individual components. Each 3300 XL 8 mm Transducer System component is backward-compatible and interchangeable with other non-XL 3300 series 5 mm and 8 mm transducer system components.This compatibility includes the 3300 5 mm probe, for applications in which an 8 mm probe is too large for the available mounting space.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Bently Nevada 330101-20-45-05-02-05 3300 XL 8 mm Proximity Probe Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Petroleum Refining
Monitoring axial float at the thrust bearing end of rich gas compressors to prevent rotor-stator contact.
Petrochemical Industry
Monitoring journal vibration of large feed pumps in ethylene plants to identify early bearing wear.
Thermal Power Generation
Installing orthogonal probes (X-Y) at the fluid-film bearings of steam turbine generators to observe shaft orbit.
Nuclear Power Generation
Measuring shaft runout of main coolant pumps to ensure seal integrity of the cooling system under high pressure.
Natural Gas Transmission
Monitoring shaft speed and Keyphasor signals on the output shafts of gas turbines at booster stations.
Air Separation
Monitoring bearing clearance changes inside the turbo-expanders of Air Separation Units (ASU).
When using the 330101-20-45-05-02-05 probe, it is essential to ensure that the total system length strictly matches the 3300 XL Proximitor calibration to avoid measurement errors. During installation, use a multimeter to precisely adjust the DC gap voltage (typically to the -10V linear midpoint) and ensure the probe tip is free from metal debris. Additionally, strictly adhere to the minimum bend radius of the cable, use connector protectors to prevent oil contamination, and verify that the 2.0-inch unthreaded length is fully seated within the mounting hole to prevent interference or damage to the probe case.
It is a Bently Nevada 3300 XL 8mm proximity probe used for non-contact vibration and displacement measurement.
What is the primary function of 330101-20-45-05-02-05?
Its function is to measure radial vibration, axial position, or shaft speed by converting distance changes into electrical signals.
What temperature can 330101-20-45-05-02-05 withstand?
The probe is designed to operate in temperatures up to 177°C (350°F).
What system must 330101-20-45-05-02-05 be paired with?
It must be used with a 3300 XL Proximitor Sensor and a compatible extension cable.
Can 330101-20-45-05-02-05 be used in oily environments?
Yes, the probe tip and cable are specifically designed to resist oil and other industrial solvents.
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