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The 330851-02-000-060-50-00-05 is a 25mm non-contact eddy-current proximity probe within the Bently Nevada 3300 XL 25mm transducer system series for differential expansion measurement, containing an M30x2 metric threaded case with a 60mm length, an unthreaded length of 0mm, and a 5.0-meter unarmored FluidLoc coaxial cable terminated with a ClickLoc connector.
Unarmored FluidLoc cable
ClickLoc coaxial connector
PFA insulation jacket
The 3300 XL 25 mm Transducer System comprises a separate 25 mm probe, an extension cable, and a 3300 XL 25 mm Proximitor Sensor. A 0.787 V/mm (20 mV/mil) output configuration establishes a linear measurement range of 12.7 mm (500 mils) for the hardware setup. This spectrum applies to differential expansion (DE) measurements on mid-size to large steam turbine generators to monitor the growth rate variance between the turbine rotor and the machine stator casing. Physical deployment options encompass a twin-transducer arrangement where one unit tracks a rotor ramp and the second views a separate ramp or alternative rotor location to compensate for radial movement. For machinery with adequate collar height, two transducers tracking the same side of a collar serves as the baseline configuration to generate redundant measurements.
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 330851-02-000-060-50-00-05 25 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.
Thermal Power Plants
Monitors the differential expansion between the steam turbine rotor and casing during start-up thermal cycles to prevent blade-to-stator rubbing.
Nuclear Power
Tracks high-range axial thrust positioning on massive high-pressure and low-pressure steam turbine generator shafts.
Petrochemical and Refining
Measures shaft thermal growth and casing elongation balance on large multi-stage centrifugal process gas compressors.
Hydroelectric Power Generation
Monitors axial thrust bearing clearances and vertical thermal displacement on massive vertical hydro-generator shafts.
Iron and Steel Smelting
Tracks differential casing-to-rotor movement on heavy blast furnace blast blowers and large ventilation exhaust fans.
Air Separation Plants
Monitors the thermal growth profiles of main air compressor (MAC) shafts during prolonged execution under peak load.
Set initial gap at linear midpoint via Proximitor voltage. Leave side clearance around tip to prevent metal interference. Insulate connector with a sleeve against ground shorts. Protect cables in high-temperature zones with conduits. Never cycle power during plug insertion.
The Bently Nevada 330851-02-000-060-50-00-05 probe is a component within the 3300 XL 25mm series, engineered for steam turbine environments. It incorporates a 1½-12 English threaded case, a 5.0-meter cable, and a ClickLoc self-locking connector, maintaining continuous operation at temperatures up to 200°C and intermittent exposure up to 250°C alongside front and rear moisture seals.
What is the linear range of the 330851-02-000-060-50-00-05?
The linear range of the 330851-02-000-060-50-00-05 is 12.7 mm (500 mils), enabling accurate measurement of large displacement changes.
What is the probe tip diameter of the 330851-02-000-060-50-00-05?
The probe tip diameter is 25 mm. This larger probe tip design allows it to provide a longer linear measurement range
What is the total length of the 330851-02-000-060-50-00-05?
The total length of the 330851-02-000-060-50-00-05 is 5.0 meters.
Do you offer global delivery services?
Yes. We ship globally, and we are able to quickly deliver parts globally to any corner of the world. Unless otherwise specified, we will ship your order via (DHL). We can also ship through FedEx, UPS, and TNT. We can also use your account.
How many parts do you have in stock?
We have an extensive stock base consisting of ten thousands of new and discontinued automation parts including those from leading manufacturers such as:Control Systems (DCS, PLC, CNC) ,Panel Controllers,HMI and Display Panels,Drives,Encoders and Resolvers,Power Supplies. If you are unable to find what you are looking for then don’t panic.
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