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        330851-04-000-030-10-01-00

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        The Model 330851-04-000-030-10-01-00 is a 3300 XL 25 mm proximity probe featuring a smooth 1.06 inch diameter side exit case design with stainless steel armor, engineered for differential expansion (DE) monitoring in the harshest steam turbine environments.
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        Warranty Policy
        We provide 1 year warranty for all remaining parts.
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        Return Notice
        The warranty period is one year from the date of shipment, unless otherwise stated in the parts description. We guarantee that the project will not exhibit functional defects that may occur under normal operating conditions during the warranty period.
        In the event of a defect, we will send new equipment, repair equipment or refund the purchase price based on our availability. You must contact us to obtain a return authorization and return the defective device to us within 14 days of reporting the defect.
        Shipping Mode
        Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.Various transportation options are available in each country. Shipping methods and fees are clearly indicated on all quotations.
        Parts Availability
        Apter Power offers a wide range of components, products and services related to industrial automation. We also supply new products from a variety of quality manufacturers.
        How to order
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        Technical specifications for 330851-04-000-030-10-01-00

        • Manufacturer:
          Bently Nevada
        • Part Number:
          330851-04-000-030-10-01-00
        • Product Family:
          3300 XL 25mm Proximity Transducer System
        • Probe Type:
          25 mm Proximity Probe
        • Case Style:
          Smooth 1.06 in diameter - Side Exit
        • Unthreaded Length:
          0 mm
        • Overall Case Length:
          30 mm
        • Total Length:
          1.0 meter (3.3 feet)
        • Armor:
          Stainless Steel Armor
        • Cable Type:
          FluidLoc cable (standard)
        • Continuous Temperature:
          Up to 200°C (392°F)
        • Intermittent Temperature:
          Up to 250°C (482°F)
        • Moisture Protection:
          Front and rear seals + FluidLoc
        • Weight:
          0.34 kg
        • Estimated shipping dimensions:
          2.8x2.8x115cm
        • Tariff Code:
          8525891900
        • Country of origin:
          USA
        • Place of shipment:
          Xiamen, Fujian, China
        By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

        More Information

        Overview Manuals Specifications

        Features:

        • 25 mm smooth case side exit probe with stainless steel armor
        • High-temperature design with complete moisture sealing
        • Specialized ClickLoc connectors with removable collar
        The 330851-04-000-030-10-01-00 provides essential sensing functions critical to the entire monitoring path, serving as the primary interface between the steam turbine rotor and casing and the protection system, directly affecting the proper, normal operation of the overall turbine monitoring system. One 330851-04-000-030-10-01-00 probe is required per differential expansion measurement point, installed flush in the turbine casing with its smooth case side exit configuration.

        For applications requiring extreme temperature and moisture resistance, the 330851-04-000-030-10-01-00 incorporates high-temperature materials rated for 200°C continuous and 250°C intermittent operation. In addition to standard signal transmission, the front and rear seals of the 330851-04-000-030-10-01-00 work together with the FluidLoc cable to create a complete moisture barrier preventing steam ingress.

        The 330851-04-000-030-10-01-00's specialized installation features ensure reliable operation in tight turbine clearances. Using the removable collar on the high-temperature ClickLoc connector, the cable can be easily routed through confined spaces without damage. Each 330851-04-000-030-10-01-00 comes with connector protectors and a disposable installation tool to ensure contamination-free connections.

        The 330851-04-000-030-10-01-00 Bently Nevada Proximity Probe may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).

        Bently Nevada 330851-04-000-030-10-01-00 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.
        Bently Nevada 330851-04-000-030-10-01-00 Proximity Probe Specs

        General

        • Manufacturer GE / Bently Nevada
        • Model 330851-04-000-030-10-01-00
        • Condition New Original ready stock
        • Product Family 330851-05-000-030-10-01-00,330851-06-000-030-10-01-00
        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.
        View as PDF
        Description
        The Model 330851-04-000-030-10-01-00 is a specialized 25 mm proximity probe engineered for maximum survivability in steam turbine differential expansion monitoring applications. This smooth case side exit configuration features stainless steel armor and high-temperature construction that enables continuous operation up to 200°C (392°F) with intermittent capability to 250°C (482°F). 

        Installation features of the 330851-04-000-030-10-01-00 are designed for reliability in tight turbine clearances. The ClickLoc connector on the probe lead features a removable collar that facilitates routing the cable through tight clearances common in turbine generator installations. 

        The 330851-04-000-030-10-01-00 is available in multiple case styles to accommodate various installation requirements, including threaded versions with locknuts featuring pre-drilled safety wire holes. This smooth case side exit configuration of the 330851-04-000-030-10-01-00 provides flexibility for routing in confined spaces. 

        The 330851-04-000-030-10-01-00 delivers reliable performance in the most demanding steam turbine applications where standard probes cannot survive. The combination of high-temperature materials, moisture sealing, and robust mechanical construction ensures the 330851-04-000-030-10-01-00 maintains accuracy throughout extended operation. 
        Alternative Names
        330851-05-000-030-10-01-00 330851-06-000-030-10-01-00 330851-07-000-030-10-01-00 330851-08-000-030-10-01-00
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        FAQS

        The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
        VIEW ALL FAQS
        What is the difference between the 330851-04-000-030-10-01-00 and standard 8 mm probes?
        The 330851-04-000-030-10-01-00 is rated for 200°C continuous (vs. 177°C standard), features complete moisture sealing with front/rear seals plus FluidLoc cable, and includes stainless steel armor and removable collar for tight clearance routing—specifically engineered for steam turbine DE monitoring where standard probes fail.
        How to identify a reliable supplier for the 330851-04-000-030-10-01-00?
        Look for suppliers providing traceable Bently Nevada certification, verification of 200°C/250°C temperature ratings, genuine high-temperature ClickLoc connectors with installation tools, and demonstrated knowledge of steam turbine DE applications. Avoid suppliers offering
        What certifications are needed for exporting the 330851-04-000-030-10-01-00 to the US?
        The 330851-04-000-030-10-01-00 has no hazardous area approvals, but US import requires country of origin documentation, product value declaration, and compliance with OSHA industrial equipment standards. Verify with end users if ASME or API standards apply for turbine installations.
        Why do standard probes fail in turbines while the 330851-04-000-030-10-01-00 survives?
        Standard probes fail from heat degradation (above 177°C), steam ingress, and mechanical stress. The 330851-04-000-030-10-01-00 survives with 200°C-rated materials, complete moisture sealing (seals + FluidLoc), stainless steel armor, and removable collar that prevents cable damage during installation.

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