{"product_id":"21504-00-16-05-02-bently-nevada-7200-series-probe-stock","title":"21504-00-16-05-02 Bently Nevada 7200 Series Probe Stock","description":"\u003ch3\u003e\u003cb\u003eProduct Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e21504-00-16-05-02\u003c\/span\u003e\u003c\/b\u003e is an 8 mm eddy current proximity probe belonging to the legacy \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003eBently Nevada 7200 Series\u003c\/span\u003e\u003c\/b\u003e transducer system. Designed for critical machinery monitoring, this sensor measures dynamic vibration and static position on high-speed rotating shafts without physical contact.\u003c\/p\u003e\n\n\u003cp\u003eBuilt with standard 3\/8-24 mounting threads and a 160 mm total case length, the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e21504-00-16-05-02\u003c\/span\u003e\u003c\/b\u003e probe delivers high accuracy across harsh industrial environments. It provides reliable vibration tracking for fluid-film bearing machinery, helping engineering teams prevent unplanned outages and maintain machine health.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eConfiguration Breakdown\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eModel code structure for the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e21504-00-16-05-02\u003c\/span\u003e\u003c\/b\u003e transducer:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003e21504\u003c\/b\u003e — \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e7200 Series\u003c\/span\u003e\u003c\/b\u003e 8 mm Proximity Probe (3\/8-24 Thread)\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cb\u003e-00- Unthreaded Case Length:\u003c\/b\u003e 0 mm unthreaded sleeve (fully threaded probe casing)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003e-16- Overall Case Length:\u003c\/b\u003e 160 mm total case body length\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003e-05- Cable Length Option:\u003c\/b\u003e 0.5 meter (20 inches) probe cable (+5 in \/ -2 in tolerance)\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003e-02- Connector Option:\u003c\/b\u003e Equipped with miniature male coaxial connector (unarmored cable)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\"\u003e\n  \u003cthead\u003e\n    \u003ctr style=\"background-color: #f2f2f2;\"\u003e\n      \u003cth style=\"text-align: left;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"text-align: left;\"\u003eEngineering Specification\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eBrand \u0026amp; Manufacturer\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003eBently Nevada\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eProduct Model\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e\u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e21504-00-16-05-02\u003c\/span\u003e\u003c\/b\u003e\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eProduct Series\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e\n\u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e7200 Series\u003c\/span\u003e\u003c\/b\u003e Proximity Transducer System\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eTip Diameter \u0026amp; Thread\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e8 mm tip diameter \/ 3\/8-24 UNF mounting threads\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eLinear Range\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e2.0 mm (80 mils), starting approximately 0.25 mm (10 mils) from probe face\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eScale Factor\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e7.87 V\/mm (200 mV\/mil) nominal (±4% calibrated system; ±9.5% interchangeable)\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eLinearity Deviation\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003eWithin 0.02 mm (0.8 mils) calibrated; within 0.06 mm (2.3 mils) interchangeable\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eFrequency Response\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e0 Hz to 10 kHz (0 to 600,000 cpm); -5% attenuation at 10 kHz\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003ePower Input\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e-17.5 Vdc to -26 Vdc at 12 mA maximum current consumption\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eTemperature Range\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003eProbe \u0026amp; Cable: -34°C to +177°C (-30°F to +350°F); Proximitor: -51°C to +100°C\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eTemperature Sensitivity\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003eTypically -3% change in scale factor at +65°C (+150°F) at 1.27 mm (50 mils) gap\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eChemical Resistance\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003eResists direct exposure to lube oil, air, water, ammonium hydroxide, 10% sulfuric acid, MEK, and DMF\u003c\/td\u003e\n    \u003c\/tr\u003e\n    \u003ctr\u003e\n      \u003ctd\u003e\u003cb\u003eSystem Weight\u003c\/b\u003e\u003c\/td\u003e\n      \u003ctd\u003e1.3 lbs (0.59 kg) total weight\u003c\/td\u003e\n    \u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cb\u003eInstallation \u0026amp; Mounting Guidelines\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003ePort Inspection:\u003c\/b\u003e Clean machine casing 3\/8-24 tapped holes to clear debris prior to thread engagement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eGap Setpoint Adjustment:\u003c\/b\u003e Thread the probe body until reaching approximately -9.0 Vdc bias voltage (~1.27 mm \/ 50 mils gap) on the Proximitor output terminals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eLocknut Torquing:\u003c\/b\u003e Tighten external jam nuts securely against process mounting boss to prevent loosening from machine vibration.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eCable Routing:\u003c\/b\u003e Route unarmored FEP lead wire away from sharp metal edges, keeping minimum bend radius above 25.4 mm.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eConnector Protection:\u003c\/b\u003e Enclose miniature coaxial connectors inside connector protectors to prevent oil ingress and grounding against machine housing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eField Calibration \u0026amp; Inspection Procedures\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eSpindle Micrometer Test:\u003c\/b\u003e Check gap voltage using a target block on a calibration spindle to verify 200 mV\/mil scale factor slope across the 80 mil linear window.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eContinuity Verification:\u003c\/b\u003e Test lead wire resistance between center conductor pin and outer sheath to confirm probe coil integrity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eEnvironmental Checks:\u003c\/b\u003e Inspect outer cable jackets for physical cuts or thermal degradation during scheduled turnarounds.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eSystem Compatibility \u0026amp; Integration\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e21504-00-16-05-02\u003c\/span\u003e\u003c\/b\u003e probe connects directly to matching \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e7200 Series\u003c\/span\u003e\u003c\/b\u003e extension cables and Proximitor units. The complete system outputs an analog voltage proportional to shaft position, integrating seamlessly with Bently Nevada monitoring racks like the 3300 or 3500 platforms via 3-wire field cabling.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eCompliance \u0026amp; Quality Approvals\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eManufacturing Standard:\u003c\/b\u003e Produced under rigorous Bently Nevada quality control standards.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eEnvironmental Resistance:\u003c\/b\u003e Rated for up to 95% non-condensing relative humidity.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eChemical Immunity:\u003c\/b\u003e Fully resistant to common industrial solvents, lube oils, and mild acidic atmospheres.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eModel Selection \u0026amp; Comparative Analysis\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eMatching housing depth and cable configuration is essential when selecting \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e7200 Series\u003c\/span\u003e\u003c\/b\u003e hardware. Review these key specification differences between variants:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eTarget Model:\u003c\/b\u003e \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e21504-00-16-05-02\u003c\/span\u003e\u003c\/b\u003e\n    \u003cul\u003e\n      \u003cli\u003eUnthreaded \/ Case Length: 0 mm unthreaded \/ 160 mm case length\u003c\/li\u003e\n      \u003cli\u003eCable Length: 0.5 meter (20 inches) short probe lead\u003c\/li\u003e\n      \u003cli\u003eArmor Option: Unarmored coaxial cable (-02)\u003c\/li\u003e\n      \u003cli\u003eApplication: Deep process tapped ports requiring short leads into external junction boxes\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eAlternative Variant:\u003c\/b\u003e \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/21504-20-32-10-02-bently-nevada-8mm-vibration-transducer-probe\"\u003e\u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e21504-20-32-10-02\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e\n    \u003cul\u003e\n      \u003cli\u003eUnthreaded \/ Case Length: 20 mm unthreaded \/ 320 mm case length\u003c\/li\u003e\n      \u003cli\u003eCable Length: 1.0 meter (39 inches) extended lead wire\u003c\/li\u003e\n      \u003cli\u003eArmor Option: Unarmored coaxial cable (-02)\u003c\/li\u003e\n      \u003cli\u003eApplication: Machine housings requiring partial unthreaded shank clearance and longer reach\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cb\u003eSelection Guidance:\u003c\/b\u003e Specify the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e21504-00-16-05-02\u003c\/span\u003e\u003c\/b\u003e for standard 160 mm fully threaded tapped holes where 0.5-meter leads connect directly to nearby extension cables. Select the \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/21504-20-32-10-02-bently-nevada-8mm-vibration-transducer-probe\"\u003e\u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e21504-20-32-10-02\u003c\/span\u003e\u003c\/b\u003e\u003c\/a\u003e when internal casing obstructions require a 20 mm clearance shank and a 320 mm total body reach.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003ePackaging \u0026amp; Commercial Terms\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eItem Condition:\u003c\/b\u003e Factory New \u0026amp; Original in genuine manufacturer packaging.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eWarranty Terms:\u003c\/b\u003e Covered by a 12-Month factory warranty policy.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eShipping Logistics:\u003c\/b\u003e Fast global express dispatch via FedEx, UPS, or DHL services.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eDispatch Lead Time:\u003c\/b\u003e Ships within 24 to 48 hours following order confirmation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eIndustrial Applications \u0026amp; Fault Diagnostics\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e21504-00-16-05-02\u003c\/span\u003e\u003c\/b\u003e probe monitors rotating machinery across critical energy and manufacturing facilities:\u003c\/p\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eSteam \u0026amp; Gas Turbines:\u003c\/b\u003e Continuously tracks journal bearing dynamic shaft vibration and axial thrust displacement.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eBoiler Feed Pumps:\u003c\/b\u003e Detects shaft runout, impeller unbalance, and rotor misalignment early.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eCentrifugal Gas Compressors:\u003c\/b\u003e Identifies oil whirl, oil whip instabilities, and bearing clearance degradation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eLarge Electric Motors:\u003c\/b\u003e Monitors shaft eccentricity during startup and steady-state thermal expansion.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eGlobal PLC Spare HUB's Insight\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eDuring field maintenance on older power generation plants, our engineering team frequently retrofits legacy monitoring loops using \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e7200 Series\u003c\/span\u003e\u003c\/b\u003e transducers. A common field issue involves installing unarmored probe leads in tight bearing pedestals without proper protection, leading to pinched lead wires during casing reassembly.\u003c\/p\u003e\n\n\u003cp\u003eOn a recent pump station overhaul, technicians replaced damaged sensors with the \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e21504-00-16-05-02\u003c\/span\u003e\u003c\/b\u003e. By slipping protective flexible tubing over the 0.5-meter lead and properly torqueing the jam nuts, the crew restored baseline vibration tracking without signal drift. To preserve scale factor accuracy on legacy systems, always match \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e7200 Series\u003c\/span\u003e\u003c\/b\u003e probes with their correct system cable length and Proximitor tuning.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions (FAQ)\u003c\/b\u003e\u003c\/h3\u003e\n\n\u003cp\u003e\u003cb\u003eQ: What total system length does a 0.5m probe cable require?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: A 0.5-meter \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e21504-00-16-05-02\u003c\/span\u003e\u003c\/b\u003e probe typically pairs with a 4.5-meter extension cable to form a standard 5.0-meter \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e7200 Series\u003c\/span\u003e\u003c\/b\u003e transducer system.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: How do I verify if a 7200 probe output is linear in the field?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Supply power to the Proximitor (-24 Vdc) and gap the probe away from a steel target using a micrometer fixture. Measure output voltage in 10 mil increments; voltage should change by approximately 200 mV per mil of movement.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: Can this unarmored cable version withstand contact with turbine synthetic lube oil?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Yes, the 8 mm \u003cb\u003e\u003cspan style=\"color: #0056b3;\"\u003e21504-00-16-05-02\u003c\/span\u003e\u003c\/b\u003e probe cable uses FEP insulation that resists direct contact with lube oil, water, and common industrial solvents.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: What indicates a shorted probe coil during electrical testing?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Measuring near zero Ohms resistance between the center pin and outer coaxial conductor indicates an internal short, requiring probe replacement.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: How should I choose between fully threaded and unthreaded case options for 21504 probes?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Choose Option 00 (0mm unthreaded) when adjusting probe depth through deep threaded ports. Choose unthreaded options (like Option 20) when passing through unthreaded mounting bracket clearance holes before engaging casing threads.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013970649270,"sku":"21504-00-16-05-02","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/BentlyNevada21504_13_ec3b493c-ecec-4a79-a845-cfab78b8c814.jpg?v=1788763405","url":"https:\/\/www.plcsparehub.com\/products\/21504-00-16-05-02-bently-nevada-7200-series-probe-stock","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}