{"product_id":"bently-nevada-21504-04-36-05-02-3300-5-mm-proximity-transducer-probe","title":"Bently Nevada 21504-04-36-05-02 3300 5 mm Proximity Transducer Probe","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe Bently Nevada 21504-04-36-05-02 is a specialized 5 mm proximity probe engineered for high-precision radial vibration and axial position sensing in confined industrial environments. This transducer is a fundamental component for Turbine Supervisory Instrumentation (TSI), providing critical real-time data to Bently Nevada 3500 racks or DCS platforms like Honeywell Experion. By utilizing eddy current technology, it monitors shaft motion with sub-micron resolution, ensuring early detection of mechanical anomalies in high-speed compressors, pumps, and small turbines. Its compact 5 mm tip diameter allows for installation in tight bearing housings where standard 8 mm probes cannot fit, delivering the same industrial-grade reliability and thermal stability required for mission-critical machinery protection and emergency shutdown systems.\u003c\/p\u003e\n\u003ch2\u003eSuffix Logic \u0026amp; Configuration Coding\u003c\/h2\u003e\n\u003cp\u003eThe 21504 series utilizes a specific alphanumeric structure to define mechanical mounting and electrical cable parameters. The configuration for this unit is decoded below:\u003c\/p\u003e\n\u003ch3\u003e04 - Unthreaded Length Option\u003c\/h3\u003e\n\u003cp\u003eSpecifies a 0.4-inch unthreaded length. This allows the probe to pass through a mounting bracket or housing before the threads engage, facilitating easier depth adjustment in specific casing designs.\u003c\/p\u003e\n\u003ch3\u003e36 - Overall Case Length Option\u003c\/h3\u003e\n\u003cp\u003eIndicates a 3.6-inch total case length. This mid-sized barrel provides sufficient reach for standard bearing housings while maintaining structural rigidity against mechanical harmonics.\u003c\/p\u003e\n\u003ch3\u003e05 - Total Length Option\u003c\/h3\u003e\n\u003cp\u003eRepresents a 0.5-meter (1.6 feet) integral cable length. This short lead is designed for direct connection to an extension cable, minimizing the footprint within the machine's junction box.\u003c\/p\u003e\n\u003ch3\u003e02 - Connector and Agency Approval Option\u003c\/h3\u003e\n\u003cp\u003eEquipped with a miniature coaxial connector and optimized for standard industrial environments with basic agency certifications. This ensures low-impedance signal transmission and plug-and-play compatibility with 3300 series Proximitor sensors.\u003c\/p\u003e\n\u003ch2\u003eEssential Hardware Parameters\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Specification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eManufacturer\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada (Baker Hughes)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountry of Origin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProbe Tip Diameter\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5.0 mm (0.197 in)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eLinear Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.0 mm (80 mils)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eScale Factor\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e7.87 V\/mm (200 mV\/mil)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temperature\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-51 °C to +177 °C (-60 °F to +350 °F)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.22 kg (0.48 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eShipping Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8.0\" x 6.0\" x 1.5\"\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHS Code\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e90318080\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eIP Rating\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eIP68 (Probe Head)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eField Commissioning Insights\u003c\/h2\u003e\n\u003cp\u003eProper gapping is vital for signal linearity. During installation, use a high-impedance digital voltmeter to set the \"Gap Voltage\" to approximately -10.0 Vdc, which typically represents the center of the 80-mil linear range for 3300-series systems. Technicians must ensure the integral cable maintains a minimum bend radius of 25.4 mm (1.0 inch) to prevent internal conductor breakage. Always clean the coaxial connectors with an approved electronic contact cleaner before mating, and use a connector protector to prevent oil ingress, which can cause significant signal drift or \"Not OK\" status on the monitor.\u003c\/p\u003e\n\u003ch2\u003ePerformance \u0026amp; System Integration\u003c\/h2\u003e\n\u003cp\u003eThe 21504-04-36-05-02 excels in environments characterized by high-frequency vibration and thermal cycling. Its polyphenylene sulfide (PPS) tip resists chemical erosion from synthetic lubricants, ensuring long-term measurement stability. This probe integrates seamlessly with the Bently Nevada 3500\/42M Proximitor Monitor, providing high-fidelity data that can be exported to System 1 software for advanced predictive maintenance. The small 5 mm form factor reduces the \"target area\" requirement on the shaft, making it ideal for monitoring small-diameter rotors where surface area for probe observation is limited.\u003c\/p\u003e\n\u003ch2\u003eShipment \u0026amp; Fulfillment Details\u003c\/h2\u003e\n\u003cp\u003eWe prioritize rapid response for all critical spare parts orders to minimize facility downtime.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDispatch Schedule:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e2-7 days when payment finish through our global express network.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePreferred Carriers:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePriority shipping via DHL, FEDEX, or UPS.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePackage Standards:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEach probe is enclosed in anti-static industrial packaging. We utilize vacuum-sealed moisture barriers and shock-absorbing foam to guarantee the 5 mm tip and precision threads arrive in flawless, factory-sealed condition.\u003c\/p\u003e\n\u003ch2\u003ePrecision Sensing FAQs\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: Can I substitute this 5 mm probe for a standard 8 mm probe?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA1: No. While they may share a 200 mV\/mil scale factor, the Proximitor sensor is calibrated to a specific probe tip diameter. Using a 5 mm probe with an 8 mm Proximitor will result in significant linearity errors and false vibration data.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: What is the benefit of the 0.5-meter cable (Option 05)?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA2: The 0.5m length is ideal for machines where the proximity probe junction box is mounted very close to the probe entry point, reducing excess cable \"slop\" and minimizing EMI\/RFI pickup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: How do I verify if the probe is gapped correctly without a monitor?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA3: Connect a Proximitor and a -24Vdc power supply. Measure the voltage between the \"Sig\" and \"Com\" terminals. At the center of the linear range, you should read -10.0 Vdc relative to the target material (usually 4140 steel).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Is this probe compatible with 3300 XL extension cables?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA4: Yes, Bently Nevada 3300 probes are generally compatible with 3300 XL extension cables and Proximitors, provided the total system length (e.g., 5m or 9m) is maintained.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45518910292141,"sku":"21504-04-36-05-02","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/bently-nevada-21504-04-36-05-02-proximity-probe-y1iwoz4ooc3.jpg?v=1766981427","url":"https:\/\/www.maxwellplc.com\/products\/bently-nevada-21504-04-36-05-02-3300-5-mm-proximity-transducer-probe","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}