{"product_id":"21747-080-01-bently-nevada-7200-series-proximitor-probe","title":"21747-080-01 Bently Nevada 7200 Series Proximitor Probe","description":"\u003cp\u003eConfigured for shaft displacement sensing in legacy machinery protection systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eBently Nevada 21747-080-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e21747-080-01\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eProximitor Probe) provides direct physical\/electrical execution of eddy-current signal generation for rotor position monitoring.\u003c\/p\u003e\n\u003ch3\u003eModel Identification Matrix\u003c\/h3\u003e\n\u003cp\u003eThe 21747 series utilizes a specific configuration code to denote physical probe dimensions and electrical compatibility. The -080-01 suffix dictates the thread size, case length, and cable configuration required for integration into the 7200 series Proximitor transducer platform.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e21747-080-01\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eBently Nevada\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\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\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.4 kg\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\u003e20 cm x 15 cm x 10 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-35 deg C to +177 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePassive (Powered by Proximitor)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSensitivity\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e200 mV\/mil (7.87 V\/mm)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTransducer Electrical and Mechanical Dynamics\u003c\/h3\u003e\n\u003cp\u003eReliable rotor dynamics monitoring requires consistent eddy-current probe scaling to ensure the voltage output maintains a linear correlation with the measured gap. During site commissioning, technicians must conduct gap voltage validation (-10 VDC targets) at the Proximitor sensor output to confirm the probe is centered within its linear operating range. Maintaining cross-talk suppression is mandatory; coaxial shields must be continuous and grounded exclusively at the monitor interface to prevent electromagnetic noise and ground loops from compromising the vibration signal.\u003c\/p\u003e\n\u003ch3\u003eOrdering Information\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e21747-080-01 Proximitor Probe\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIntegral coaxial cable assembly\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStainless steel mounting jam nuts\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTechnical installation data sheet\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eField Installation Protocols\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSurface Conditioning: Ensure the target shaft area is free of non-conductive coatings, oxidation, or debris to allow uniform eddy-current field penetration.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMounting Mechanics: Thread the probe body into the mounting bracket; verify the gap is set to the machine-specific distance after tightening the lock nuts.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCabling and Shielding: Route coaxial cable leads away from high-current power conduits to prevent induction; maintain shield continuity throughout the cable run.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnector Integrity: Keep coaxial connector interfaces clean and protected from moisture; utilize provided caps until the final mating sequence.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSignal Validation: Perform a post-installation static gap check to confirm the transducer output voltage is within the specified -10 VDC operational range.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eCan this probe be used in modern 3300 XL systems? No, the 7200 series probes are designed for legacy Proximitor electronics; intermixing with XL components results in signal calibration errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow do I verify a cable short? A drop in gap voltage to 0 VDC or a shift in the baseline noise floor suggests a coaxial dielectric breakdown or connector failure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIs the probe housing field-repairable? No, internal transducer coils are encapsulated for durability; structural damage or electrical failure necessitates total unit replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHow does hydrogen cooling affect probe performance? The probe materials are rated for hydrogen-cooled environments; verify that O-ring seals are maintained to prevent gas leakage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat signifies a damaged PPS probe tip? Any cracking, heavy pitting, or deformation of the tip disrupts field linearity and warrants immediate replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhy is the shield grounded at only one end? Grounding the shield at both the probe and the monitor creates a ground loop, introducing 50\/60 Hz noise into the signal path.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCan I shorten the integral cable? No, the probe-cable assembly is factory-tuned to a specific capacitance; modifying cable length alters frequency response and sensitivity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eWhat is the nominal output sensitivity? The probe maintains a fixed sensitivity of 200 mV\/mil (7.87 V\/mm) when paired with a compatible 7200 series Proximitor.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45518845214893,"sku":"21747-080-01","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/bently-nevada-21747-080-01-proximitor-probe-qzfuwpb5uww.jpg?v=1766980281","url":"https:\/\/www.maxwellplc.com\/products\/21747-080-01-bently-nevada-7200-series-proximitor-probe","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}