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Technical specifications for 330851-02-010-140-10-00-05
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Manufacturer:Bently Nevada
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Product Category:Machinery Monitoring Systems
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Spare Part Number:330851-02-010-140-10-00-05
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Estimated shipping dimensions:23x23x4.5cm
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Weight:0.54 kg
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Tariff Code:8537101190
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Counliy of origin:USA
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Probe Case Type Option:M30x2 thread
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Unthreaded Length Option:10 mm
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Overall Case Length Option:140 mm
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Total Length Option:1.0 metre (3.3 feet)
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Armor Option:No Armor
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Agency Approval Option:Multiple Approvals
Information
Overview
Manuals
Common Applications
Product Precautions
The 330851-02-010-140-10-00-05 is a 3300 XL 25mm proximity sensor manufactured by Bentley Nevada Corporation in the United States. It is an important component of industrial machinery condition monitoring and protection systems.
- Extra-Large Linear Range
- Optimized System Scale Factor
- Broad Temperature Survivability
The 3300 XL 25 mm probe is designed for maximum survivability in the harshest steam turbine DE environments. It can continually operate and maintain its accuracy in high temperatures up to 200 °C (392 °F), and can withstand intermittent high temperatures up to 250 °C (482 °F). The 25 mm probe has both a front and rear seal which, combined with the FluidLoc cable (standard on all 25 mm probes), prevents moisture from entering the probe tip. Special high-temperature ClickLoc connectors are also standard on the probe and extension cable. Each probe and cable are provided with connector protectors and a disposable connector protector installation tool to ensure that the connectors remain free of contamination. The ClickLoc connector on the probe lead has a removable collar that facilitates routing the cable through tight clearances.
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 330851-02-010-140-10-00-05 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.
Fossil Fuel Power Generation
Measuring the differential expansion of supercritical and ultra-supercritical large steam turbine generators to prevent catastrophic rubbing between high-speed rotating blades and the stationary casing wall.
Petrochemical & Refining
Monitoring the long-distance axial rotor displacement of large multi-stage centrifugal cracked gas compressors during the start-up heating phase in million-ton ethylene plants, ensuring long-term runtimes in hazardous areas.
Hydroelectric Power
Monitoring the ultra-large axial displacement of thrust bearings in large hydro-generator units, as well as the axial play of long-span rotors under varying water flow loads.
Nuclear Power
Monitoring the axial expansion and relative displacement of giant low-pressure rotors in million-kilowatt class low-speed steam turbines within the conventional island of nuclear power plants to ensure safe operation.
Air Liquefaction
Monitoring the long-stroke axial cold shrinkage displacement generated by shaft systems in ultra-high-speed turboexpanders during drastic transitions from ambient to cryogenic temperatures.
Four critical precautions must be observed when using the 330851-02-010-140-10-00-05 probe. First, due to its large size and massive magnetic field, the flat metal target must have a minimum diameter of 61mm to prevent severe distortion of measurement sensitivity. Second, a strict long-stroke voltage calibration must be performed during installation to ensure its 12.7mm ultra-large linear range fully covers the maximum differential expansion of the machine. Third, since the probe usually operates in high-heat zones of turbines, cable routing must be kept away from high-temperature and high-pressure steam pipes, and running it alongside power cables is strictly prohibited. Fourth, when screwing in the M30 rigid case, the tightening torque must be strictly controlled at around 68 N·m to prevent excessive torque from causing deformation and destroying the internal large-scale electromagnetic coil.
FAQ View All FAQ
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What kind of device is 330851-02-010-140-10-00-05?It is a 3300 XL series 25mm large-range eddy current proximity probe, manufactured by Bently Nevada, USA.
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What is the primary purpose of 330851-02-010-140-10-00-05?It is primarily used for measuring differential expansion (the relative axial thermal expansion difference between the rotor and casing) of large steam turbine generators, as well as other long-range displacement monitoring.
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What is the standard linear range of 330851-02-010-140-10-00-05?Its standard linear range is up to 12.7 millimeters (or 500 mils), which is much larger than standard 8mm probes.
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What is the thread specification of 330851-02-010-140-10-00-05?The thread specification of the 330851-02-010-140-10-00-05 probe is M30x2.
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What are the unthreaded and overall case lengths of 330851-02-010-140-10-00-05?According to the model parameters, its unthreaded length is 10 millimeters, and its overall rigid metal case length is 140 millimeters.
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