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330851-01-00-20-10-00-00

3300 XL 25 mm Proximity Probe

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Technical specifications for 330851-01-00-20-10-00-00

  • Product Model
    330851-01-00-20-10-00-00
  • Product Parameters
    3300 XL 25 mm Proximity Probe
  • Tariff Code
    8537101190
  • Country of origin
    USA
  • Place of shipment
    Xiamen, China
  • Estimated Shipping Size
    2.8x2.8x115cm
  • Manufacturer
    Bently Nevada
  • Weight
    0.34 kg
  • Probe Case Type Option
    1 ¼ - 12 thread
  • Unthreaded Length Option
    0.0 in
  • Overall Case Length Option
    2.0 in
  • Total Length Option
    1.0 metre (3.3 feet)
  • Armor Option
    No Armor
  • Agency Approval Option
    No Approvals

Description

01 1 ¼ - 12 thread 
MinimumUnthreadedLength 0.0 in
MinimumUnthreadedLength 2.0 in 
10 1.0 metre (3.3 feet)
00 No Armor
00 No Approvals

Information

Overview Manuals Technical notes Product Applications Cross-Talk and Side Clearance Prevention

Features:

  • Extended Linear Range for Differential Expansion
  • High Temperature Survivability
  • Dual Seal & FluidLoc Cable Design
  • High-Temperature ClickLoc Connectors
  • Removable Collar for Easy Cable Routing
The 3300 XL 25 mm Proximity Transducer System consists of a separate 25 mm probe, an extension cable, and a 3300XL 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), making it suitable for measuring differential expansion (DE) on midsize to large steam turbine generators caused by the difference in growth rates between the turbine rotor and the machine stator.

The system can be configured with two transducers observing the same side of a collar, two complementary input transducers observing opposite sides of a collar (effectively doubling the measurable DE distance), or two transducers with at least one viewing a ramp to compensate for radial movement and measure a longer total DE distance.

The 330851-01-00-20-10-00-00 Bently Nevada 3300 XL 25 mm Proximity Probe may still be available for purchase and support from Amikon Limited beyond End-Of-Life (EOL) by the manufacturer (OEM).
Bently Nevada 330851-01-00-20-10-00-00 3300 XL 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. All prices are shown in USD.
The specific model 330851-01-00-20-10-00-00 is a 3300XL 25 mm proximity probe configured with 1 1/4-12 English thread (Option A: 01), 0.0 inch unthreaded length (Option B: 00), 2.0 inches overall case length (Option C: 20), 1.0 metre (3.3 feet) total length (Option D: 10), no armor (Option E: 00), and no agency approval required (Option F: 00). The probe is designed for maximum survivability in the harshest steam turbine DE environments, capable of continual operation at temperatures up to 200°C (392°F) and intermittent exposure up to 250°C (482°F). It features both a front and rear seal combined with FluidLoc cable (standard) to prevent moisture ingress. Special high-temperature ClickLoc connectors are standard, and each probe includes connector protectors and a disposable installation tool.
  • Turbine Vibration Monitoring:Tracks axial, radial & thermal expansion for steam/gas/hydro
  • Industrial Compressor Protection:Casing velocity sensors: prevents heavy surges
  • Large Industrial Pumps:Fluid-film bearing probes: safety trips for water/chemical plants
  • Generator Bearing Tracking:Passes bearing data for grid stabilityy
This content has been produced using multiple sources.Amikon takes no responsibility for the accuracy of this information. Always consult the original equipment manufacturer for the most up to date instructions and information.
Side Clearance: Maintain a minimum of 76.2 mm (3.0 in) of clear space around the probe tip to prevent nearby metal objects from interfering with the eddy current fields.Proximity to Other Probes: If installing redundant or adjacent sensors, keep the probe tips separated by at least 64 mm (2.5 in) for axial measurements to eliminate electromagnetic cross-talk.

FAQs

  • What is the 330851-01-00-20-10-00-00?+
    The Bently Nevada 330851-01-00-20-10-00-00 is part of the 3300 XL 25 mm Proximity Transducer System, commonly used to measure differential expansion in large steam turbine generators.
  • What is the function of the transducer system?+
    The 25 mm system is primarily used to monitor and measure differential thermal expansion between a machine stator and a turbine rotor.
  • What are the main system components?+
    To function as a complete system, this 330851 probe must be connected to a matching 3300 XL 25 mm Proximitor Sensor and an appropriate extension cable.
  • What is the case and tip material of the probe?+
    The probe case is constructed from AISI 304 stainless steel, and the probe tip material is Polyphenylene Sulfide (PPS)
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