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The 330171-00-24-10-02-00 is an industrial-grade, non-contact eddy current proximity probe. Specifically installed on large rotating machinery such as steam turbines and compressors, it is used for micron-level precise measurement of shaft vibration, displacement, and rotational speed. It serves as a core critical spare part for plant machinery fault early warning and automatic shutdown protection systems.
3300 5 mm probe
3300 XL extension cable (ref 141194-01)
3300 XL Proximitor Sensor (ref 141194-01)
When combined with a compatible Proximitor Sensor and extension cable, the 3300 5 mm Proximity Probe (Part Number: 330171-00-24-10-02-00) provides an output voltage that is directly proportional to the distance between the probe tip and the observed conductive surface. This system measures both static (position) and dynamic (vibration) data. Its primary application is in vibration and position measurement on fluid-film bearing machines, as well as Keyphasor and speed measurement applications.
The system delivers an accurate, stable signal output over a wide temperature range (-35°C to +177°C). It achieves this level of performance with complete interchangeability of the probe, extension cable, and Proximitor sensor, completely eliminating the need for individual component matching or bench calibration.The 3300 5 mm probe improves upon previous legacy designs.
A patented TipLoc molding method provides a more robust bond between the probe tip and the probe body. This specific model features a 1/4-28 UNF threaded case with a 2.4-inch overall length, an unarmored 1.0-meter standard cable, and a miniature coaxial ClickLoc connector.
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 330171-00-24-10-02-00 5mm 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.
Power Generation Industry
Used to monitor the axial displacement and radial vibration of large steam turbine generator sets to prevent catastrophic contact between the rotor and stator.
Oil & Gas Extraction Industry
Deployed at the bearings of large natural gas compressors on offshore drilling platforms or onshore gas fields for real-time continuous vibration monitoring.
Petrochemical Industry
Used for critical machinery condition monitoring of cracking gas compressors in oil refineries to prevent unscheduled shutdowns.
Iron & Steel Metallurgy Industry
Installed on blast furnace blowers in ironmaking plants to measure the dynamic oil film thickness of bearings using the eddy current principle.
Hydropower Industry
Installed on the main shafts of hydro-generator units to monitor shaft swing and runout under high hydraulic head flushing.
Cement & Building Materials Industry
Provides real-time monitoring of the axial position of rotary kiln main drive motors and high-power exhaust fan bearings in cement production lines.
During operation, the total system length (probe plus extension cable) must strictly match the Proximitor sensor's configuration (typically 5m or 9m) to ensure measurement accuracy. During installation, the probe gap must be precisely adjusted by monitoring the Proximitor output voltage (standard gap is usually calibrated to -10 VDC), and sufficient clearance around the probe tip must be maintained to prevent electromagnetic interference. Additionally, avoid over-bending the coaxial cable, ensure proper waterproof and oil-proof sealing at the connectors, and always tighten and secure the probe only when the machinery is at a complete standstill.
330171-00-24-10-02-00 is engineered for compact industrial machine casings with limited space, providing a nominal linear measurement range of 2.0 mm (80 mils) and reliable operation in high-temperature, high-pressure, and oil-mist environments from -35°C to +177°C to deliver high-precision, non-contact monitoring of shaft vibration and displacement for small-to-medium high-speed rotating machinery.
It is a Bently Nevada 3300 series 5mm proximity probe with a 1/4-28 UNF thread case, used for non-contact measurement of shaft vibration and displacement in rotating machinery.
What equipment is 330171-00-24-10-02-00 mainly used on?
It is widely used in fluid-film bearing monitoring of turbines, centrifugal compressors, small high-speed fans, pumps, and small-to-medium dynamic rotating spindles.
What is the difference between a 5mm probe and a common 8mm probe?
The 5mm probe has a smaller tip diameter and thread size (1/4-28), specifically designed for compact machine casings where an 8mm probe cannot be installed due to tight physical space.
What is the recommended tightening torque when installing 330171-00-24-10-02-00?
To prevent casing thread deformation and damage, the officially recommended installation torque is 5.1 N·m (45 in·lb), with an absolute maximum of 7.3 N·m (65 in·lb).
Can 330171-00-24-10-02-00 connect directly to the Proximitor, or must it use an extension cable?
Since this probe has a total length of only 1.0 meter, if the Proximitor system requires a 5.0m or 9.0m total length, it must be paired with a 4.0m or 8.0m extension cable respectively to ensure accurate measurement.
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