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The 330851-02-000-060-10-01-05 is a premium 3300 XL 25 mm eddy current proximity probe manufactured by the American brand Bently Nevada. It is engineered as a core safety component for critical rotating machinery, such as large steam turbines and compressors, to monitor shaft expansion and structural rigidity.
1.0-meter integrated FluidLoc cable
Stainless steel armor sleeve
M30x2 threaded case
The 3300 XL 25 mm Transducer System consists of a separate 25 mm probe, an extension cable, and a 3300 XL 25 mm Proximitor Sensor. The 0.787 V/mm (20 mV/mil) output gives this system a linear range of 12.7 mm (500 mils). Based on this linear range, the 3300 XL 25 mm Transducer System is suitable for measuring differential expansion (DE) on mid size to large steam turbine generators caused by the difference in growth rates between the turbine rotor and the machine stator (casing). The 3300 XL 25 mm probe comes in a large variety of case configurations to physically replace all standard 7200 25 mm, 7200 35 mm and 25 mm DE Integral transducer systems (including side and rear exit probes). The Proximitor Sensor also has an output that is identical to that of the 7200 and 25 mm DE Integral systems, allowing customers to upgrade without requiring any changes in the monitor configuration
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 330851-02-000-060-10-01-05 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.
Thermal Power
Used for Differential Expansion (DE) monitoring in high, intermediate, and low-pressure cylinders of large steam turbine-generator sets.
Nuclear Power
Used for continuous monitoring of Axial Displacement and differential expansion of long-shaft saturated steam turbines in nuclear power plants, ensuring stable operation under strict nuclear safety and radiation redundancy standards.
Petrochemical Refining Industry
Used in large-scale rich gas and cracked gas compressors within million-ton ethylene or catalytic cracking units. It monitors the wear of large thrust bearings to prevent impeller damage caused by axial force imbalance.
Hydroelectric Power
Used for wide-range Shaft Runout/Vibration monitoring in large Francis or Kaplan hydro-turbine generator units.
Coal Chemical Industry
Used on Syngas Compressors and large pumps within coal-to-liquids (CTL) and coal-to-gas projects. Since coal chemical machinery endures massive thermal loads, this probe strictly monitors axial thermal deformation caused by extreme thermal stress.
First, the flat metal target diameter must not be less than 61mm, otherwise the measurement sensitivity will be distorted. Second, a precise initial long-stroke voltage calibration is required to ensure the 12.7mm ultra-large range perfectly covers the maximum differential expansion of the unit. Third, when screwing in the M30 rigid case, the tightening torque must be strictly controlled at around 68 N·m to prevent excessive torque from squeezing, deforming, and damaging the internal coil. Fourth, even with armor protection, the cable bend radius must never be less than 25.4mm during routing, and hazardous area wiring codes must be strictly followed during installation.
What kind of device is 330851-02-000-060-10-01-05?
It is a 3300 XL series 25mm large-range eddy current proximity probe, manufactured by Bently Nevada, USA.
What is the primary purpose of 330851-02-000-060-10-01-05?
It is primarily used for measuring differential expansion (the relative thermal expansion difference between the rotor and casing) of large steam turbine generators to prevent rubbing between rotating and stationary parts.
What is the case thread specification of 330851-02-000-060-10-01-05?
The case thread specification for the Bently Nevada proximity probe part number 330851-02-000-060-10-01-05 is metric M30x2.
How should 330851-02-000-060-10-01-05 be connected within a system?
It must be connected via its integrated ClickLoc coaxial connector to its dedicated 25mm extension cable, and then wired into a 3300 XL 25mm Proximitor Sensor to output vibration/displacement voltage.
How long is the integrated lead cable of 330851-02-000-060-10-01-05?
The integrated lead cable of the Bently Nevada proximity probe with part number 330851-02-000-060-10-01-05 is 1.0 meter (3.3 feet) long.
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Disclaimer: We are not an authorized distributor or distributor of the product manufacturer of this website, The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because our company is not an authorized distributor of this product, the Original Manufacturer`s warranty does not apply.While many DCS PLC products will have firmware already installed, Our company makes no representation as to whether a DSC PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. Our company also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from our company, its distributors, or any other source. Our company also makes no representations as to your right to install any such firmware on the product. Our company will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
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