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        26530-12-10-03-018-085-24-03-00

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        1001 reviews ｜ Need a Specific Revision?
        26530-12-10-03-018-085-24-03-00 is a Dual Probe Transducer System with 3300 XL 8mm proximity probe, 0.5m cable, 3/4-14 NPT adapter, 1.8" adapter length, 8.5" penetration, and Velomitor sensor.
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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
        We have been working hard to update our inventory. If we have stock or parts available for new factory purchases, you can contact the order online. If we do not currently have an inventory, the displayed quantity will show "Ask". Please create an online quote or contact us by phone, fax or email to check availability.

        Technical specifications for 26530-12-10-03-018-085-24-03-00

        • Manufacturer:
          Bently Nevada
        • Part Number:
          26530-12-10-03-018-085-24-03-00
        • Product Family:
          26530 Dual Probe Transducer System
        • Product Type:
          Proximity Probe
        • Proximity Probe Option (A):
          12 = 3300 XL 8 mm Probe
        • Probe Lead Length Option (B):
          10 = 1.0 metre (3.3 feet)
        • Adapter Thread Option (C):
          03 = 3/4-14 NPT
        • Adapter Length Option (D):
          018 = 1.8 inches (46 mm)
        • Probe Penetration Option (E):
          085 = 8.5 inches (216 mm)
        • Velocity Transducer Option (F):
          24 = Velomitor Sensor
        • Fittings Option (G):
          03 = One 3/4-14 NPT plug, one reducer, one cable seal grip with grommet
        • Probe Support/Oil Seal Option (H):
          00 = Not required
        • Probe Temperature Range:
          -51°C to +177°C (-60°F to +351°F)
        • Velomitor Temperature Range:
          -55°C to +121°C (-67°F to +250°F)
        • Weight:
          0.2 kg
        • Estimated shipping dimensions:
          4.5x8.5x33cm
        • Tariff Code:
          8479899990
        • 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 Application Performance Application Scenarios

        Features:

        • Combines proximity probe and velocity sensor to provide shaft relative position, shaft relative vibration, casing absolute vibration, and shaft absolute motion in a single housing.
        • Two assemblies in X-Y configuration per radial bearing enable full orbit analysis, shaft centerline position tracking, and comprehensive rotor dynamics diagnostics.
        • Features 3/4-14 NPT adapter with 1.8-inch length and 8.5-inch probe penetration. Adjustment range of 22.4mm toward target and 22.6mm away from nominal setting.
        The 26530-12-10-03-018-085-24-03-00 integrates both a proximity probe and a seismic/Velomitor transducer in a single housing, providing four distinct measurements from one mounting location. The 3300 XL 8mm proximity probe measures shaft relative radial position (static displacement) and shaft relative radial dynamic motion (vibration). The Velomitor sensor measures machine casing absolute vibration. Most importantly, the system can calculate shaft absolute motion by summing the seismic signal (after integration to displacement) with the shaft relative displacement.

        For effective machinery protection and diagnostics of radial bearings, the 26530-12-10-03-018-085-24-03-00 should be used in pairs. Two assemblies mounted at 90-degree angles (X and Y axes) on the same bearing provide the data needed for orbit analysis. The orbit diagram—a plot of shaft centerline movement as the shaft rotates—reveals critical information about bearing condition, rotor stability, and preload forces.

        The 26530-12-10-03-018-085-24-03-00 offers significant installation flexibility through its adapter and penetration options. The 3/4-14 NPT adapter thread (option C=03) is a common industrial standard, compatible with many machine casing ports. The adapter length of 1.8 inches (option D=018) provides standoff distance from the casing, while the probe penetration of 8.5 inches (option E=085) positions the proximity probe tip at the optimal gap from the shaft surface. The system provides an adjustment range of 22.4mm toward the target and 22.6mm away from the nominal setting when using the 3/4-14 NPT adapter.

        The 26530-12-10-03-018-085-24-03-00 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 26530-12-10-03-018-085-24-03-00 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 26530-12-10-03-018-085-24-03-00 Proximity Probe Specs

        General

        • Manufacturer Bently Nevada
        • Model 26530-12-10-03-018-085-24-03-00
        • Condition New Original ready stock
        • Product Family 330105-02-12-10-02-00,330780-50-00,330780-51-00
        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.
        • Hydroelectric Turbine-Generator Units: Especially suited for low-speed hydro units experiencing high structural loads, where both shaft runout and frame wobbling are significant.
        • Large Steam & Gas Turbines: Deployed on the main bearing pedastals of high-, intermediate-, and low-pressure cylinders to monitor complex machinery thermal flexing and structural resonance.
        • High-Load Industrial Fans & Compressors: Used on critical centrifugal or axial compressors in oil, gas, and chemical plants where aerodynamically induced vibrations are common.
        • Heavy-Duty Industrial Gearboxes: Monitors low-frequency shaft displacement alongside high-frequency casing velocity signals caused by gear mesh and mechanical gear-train degradation.
        • Installation Efficiency: Traditionally, acquiring both relative shaft vibration and absolute housing vibration required drilling two separate mounting holes. The 26530 system integrates both sensors coaxially. It requires only a single 3/4-14 NPT tapped hole on the bearing housing, reducing field installation and maintenance time by over 50%.
        • Shaft Absolute Vibration Calculation: This is the core performance feature. A downstream monitor (such as the Bently Nevada 3500 system) can mathematically combine the relative displacement from the proximity probe with the integrated velocity signal from the Velomitor in real-time. This provides a highly accurate calculation of the shaft's absolute motion in free space.
        • Heavy-Duty Physical Shielding: Built with a thick-walled stainless-steel sleeve (with an 8.5-inch penetration depth), the housing efficiently isolates the interior sensors from high-pressure turbine oil splashes, chemical exposures, and harsh steam blowouts.
        • n hydro plants, the turbine rotor experiences heavy unbalance forces caused by turbulent water flow. Here, the 26530 system's internal proximity probe targets the shaft directly to track its relative alignment to the bearing box. Simultaneously, the top-mounted Velomitor tracks the absolute velocity of the structural guide-bearing housing.
        • When a utility steam turbine ramps up and passes through its critical resonant speeds, both the rotor and its outer casing shake violently. If a standard proximity probe is used alone, it would generate distorted data because its reference point (the bearing housing) is also moving.
        • In a refinery, high-speed input/output shafts are vulnerable to misalignment or localized bearing fatigue.
        Description
        The 26530-12-10-03-018-085-24-03-00 is a Dual Probe Transducer System that combines a proximity probe and a velocity sensor in a common housing for comprehensive machine monitoring. This configuration includes a 3300 XL 8mm proximity probe (option A=12) with a 0.5m cable length (B=10). 

        The 26530-12-10-03-018-085-24-03-00 includes a Velomitor sensor (F=24) for absolute casing velocity measurement. When combined with the proximity probe, this system can calculate shaft absolute motion by summing the seismic signal (integrated to displacement) with the shaft relative displacement. 

        For radial bearing monitoring, two 26530-12-10-03-018-085-24-03-00 assemblies in an X-Y configuration are required per bearing to provide orbit analysis and shaft centerline position information. 

        The 26530-12-10-03-018-085-24-03-00 provides four separate measurements: shaft relative radial position, shaft relative radial dynamic motion, machine casing absolute vibration, and shaft absolute motion (summation of seismic and relative displacement). 
        Alternative Names
        2653O-12-1O-O3-O18-O85-24-O3-OO 26530-I2-I0-03-0I8-085-24-03-00 26530 12 10 03 018 085 24 03 00 330878-90-00 990-04-50-01-00 330780-51-00 330780-50-00 330105-02-12-10-02-00
        Technical notes
        The 26530-12-10-03-018-085-24-03-00 is a Dual Probe system with 3300 XL 8mm probe (1.0m cable) and Velomitor sensor. Adapter: 3/4-14 NPT, 1.8" length. Penetration: 8.5". For radial bearing monitoring, use two units in X-Y configuration. Provides four measurements including shaft absolute motion.
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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 four measurements can the 26530-12-10-03-018-085-24-03-00 provide?
        It measures: 1) shaft relative radial position (displacement via proximity probe), 2) shaft relative dynamic vibration, 3) machine casing absolute vibration (via Velomitor), and 4) shaft absolute motion (summation of seismic and relative displacement).
        What is the probe penetration length for this configuration?
        The 26530-12-10-03-018-085-24-03-00 has a probe penetration of 8.5 inches (216 mm) with a 1.8-inch adapter. Maximum D+E for 1.0m probe cable is 31.0 inches.
        What is the adapter thread type on this assembly?
        The 26530-12-10-03-018-085-24-03-00 uses a 3/4-14 NPT adapter thread (option C=03). The adjustment range from nominal setting is 22.4mm toward target and 22.6mm away from target.
        How many dual probe assemblies are needed per radial bearing?
        For complete machinery monitoring diagnostics using orbit analysis and shaft centerline position, two 26530-12-10-03-018-085-24-03-00 assemblies in an X-Y configuration are required per radial bearing.

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