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330851-02-000-060-50-00-05
25 mm Probe
In Stock
Ships by Wednesday, October 14
Fast Shipping Available
Product Describe：
Bently Nevada 330851-02-000-060-50-00-05 is a 25 mm probe for the 3300 XL 25 mm proximity transducer system. It is an M30 x 2 unarmored 3300 XL 25 mm probe with a 60 mm case, 5.0 m lead and multiple approvals.
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.
What certification check belongs to Bently Nevada 330851-02-000-060-50-00-05?
The 05 ending carries the multiple-approval identity, which must agree with the hazardous-area documents for the installed machine.
How do the M30 x 2 thread and 60 mm case affect replacement clearance?
The bracket, locknuts, and withdrawal path must accept the M30 x 2 body, zero unthreaded length, and 60 mm case without moving the target reference.
Why must the full 5.0 m length remain intact on Bently Nevada 330851-02-000-060-50-00-05?
The unarmored FluidLoc cable is part of the matched 25 mm transducer arrangement; shortening, splicing, or substituting it changes the system.
Which target-diameter check precedes gapping of Bently Nevada 330851-02-000-060-50-00-05?
Confirm at least 61 mm of suitable conductive target surface and the required alignment before setting the probe position.
What nominal position centers the approved 25 mm probe system?
Use approximately 7.0 mm (275 mils) as the nominal gap while ensuring the actual operating travel remains inside the linear region.
How is the 12.7 mm range verified without disturbing the approval installation?
Move the target under controlled conditions and confirm a continuous response across the required portion of the 12.7 mm (500 mil) range.
What output slope should Bently Nevada 330851-02-000-060-50-00-05 produce?
The correctly matched 25 mm system yields 0.787 V/mm (20 mV/mil), with polarity and direction checked at the monitor.
Which records complete service release for Bently Nevada 330851-02-000-060-50-00-05?
Retain the 05 approval match, final gap, sensitivity check, linear-travel result, cable condition, and monitor alarm test.
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