{"product_id":"21504-004-016-10-02-bently-nevada-7200-vibration-sensor-probe","title":"21504-004-016-10-02 Bently Nevada 7200 Vibration Sensor Probe","description":"\u003ch3\u003e\u003cb\u003eProduct Overview\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong style=\"color: #0056b3;\"\u003e21504-004-016-10-02\u003c\/strong\u003e is an 8 mm eddy current proximity probe belonging to the legacy \u003cstrong style=\"color: #0056b3;\"\u003eBently Nevada\u003c\/strong\u003e \u003cstrong style=\"color: #0056b3;\"\u003e7200 Series\u003c\/strong\u003e proximity transducer system. Designed for non-contact measurement of dynamic shaft vibration, axial position, and keyphasor reference, this probe converts high-frequency electromagnetic field variations into precise gap voltage signals.\u003c\/p\u003e\n\n\u003cp\u003eFeaturing a 3\/8-24 UNF threaded casing constructed for harsh industrial environments, the \u003cstrong style=\"color: #0056b3;\"\u003e21504-004-016-10-02\u003c\/strong\u003e operates reliably in direct contact with air, lube oil, water, and various chemical agents. Integrated with a miniature male coaxial connector and a 1.0-meter integral cable, it provides an standard 200 mV\/mil scale factor over an 80 mil (2.0 mm) calibrated linear range.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003ePart Number Configuration Breakdown\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eOrdering Option Matrix: 21504-AAA-BBB-CC-DD\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003e21504\u003c\/b\u003e — Base Transducer Model (7200 Series 8 mm Proximity Probe, 3\/8-24 UNF Thread, Unarmored)\n    \u003cul\u003e\n      \u003cli\u003e\n\u003cb\u003e-004- [AAA: Unthreaded Length]\u003c\/b\u003e — 0.4 Inches \/ 40 mm Unthreaded Case Section\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003e-016- [BBB: Overall Case Length]\u003c\/b\u003e — 1.6 Inches Overall Threaded Body Length\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003e-10- [CC: Total Probe Length]\u003c\/b\u003e — 1.0 Meter (39 Inches) Integral Cable Length\u003c\/li\u003e\n      \u003cli\u003e\n\u003cb\u003e-02 [DD: Connector Option]\u003c\/b\u003e — Miniature Male Coaxial Connector (Without Cable Armor)\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\"\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eProduct Number\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003e\u003cstrong style=\"color: #0056b3;\"\u003e21504-004-016-10-02\u003c\/strong\u003e\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eBrand \u0026amp; Manufacturer\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003e\n\u003cstrong style=\"color: #0056b3;\"\u003eBently Nevada\u003c\/strong\u003e \/ Baker Hughes\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\u003cstrong style=\"color: #0056b3;\"\u003e7200 Series\u003c\/strong\u003e Transducer System\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eTip Diameter \u0026amp; Material\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003e8 mm High-Performance Engineering Polyimide Tip\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eCase Thread Size\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003e3\/8-24 UNF Standard Thread Casing\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eCalibrated Linear Range\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003e80 mils (2.0 mm), starting approx. 10 mils (0.25 mm) from probe face\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eIncremental Scale Factor\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003e200 mV\/mil (7.87 V\/mm) ±4% system calibrated (±9.5% interchangeability)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eLinearity Error Limits\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003eWithin 0.8 mils (0.02 mm) system calibrated \/ 2.3 mils (0.06 mm) interchangeable\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eFrequency Response Range\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003e0 to 10 kHz (0 to 600,000 cpm); -5% at 10 kHz threshold\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eProximitor Power Input\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003e-17.5 VDC to -26 VDC at 12 mA maximum current draw\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eChemical Resistance\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003eResistant to lube oil, water, 10% sulfuric acid, MEK, DMF, ammonium hydroxide\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eOperating Temperature\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003e-34°C to +177°C (-30°F to +350°F) for Probe and Extension Cable\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eSystem Mass Weight\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003e1.3 lbs (0.59 kg) total packaging weight\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003e\u003cb\u003eDiagnostic Capabilities \u0026amp; Signal Response Analysis\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eGap Voltage Calibration Tracking:\u003c\/b\u003e Real-time output voltage verification allows technicians to monitor physical gap distance (approx. -1.0 to -17.0 VDC across full scale).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eBroad Frequency Spectrum:\u003c\/b\u003e Captures fundamental running speed (1X), sub-harmonic oil whirl\/whip (0.43X-0.48X), and gear mesh frequencies up to 600,000 CPM.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eHigh-Temperature Surface Endurance:\u003c\/b\u003e Thermally rated up to +177°C, maintaining signal integrity inside hot steam or gas turbine bearing pedestals.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eLegacy System Backward Compatibility:\u003c\/b\u003e Interfaces directly with existing 7200 series Proximitor units and rack monitoring systems without requiring rewiring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eTarget Machinery Applications\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eJournal Bearing Turbomachinery:\u003c\/b\u003e Installed on steam turbines, gas turbines, and large industrial generators for radial shaft position tracking.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eCentrifugal Pumps \u0026amp; Blowers:\u003c\/b\u003e Detects shaft eccentricity, unbalance, and misalignment across heavy industrial pumping loops.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eReciprocating Compressor Rods:\u003c\/b\u003e Monitors rod drop and dynamic vibration in harsh chemical process environments.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eInstallation \u0026amp; Mechanical Alignment Guidelines\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eMounting Hole Clearance:\u003c\/b\u003e Confirm the unthreaded section (40 mm) passes completely through mounting bracket bores without mechanical interference.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eTarget Area Size:\u003c\/b\u003e Ensure shaft target surface diameter exceeds 30 mm (1.2 inches) to prevent eddy current field truncation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eConnector Hand-Tightening:\u003c\/b\u003e Hand-tighten miniature coaxial connectors firmly; avoid using pliers to prevent crushing male pin contacts.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eCable Route Radius:\u003c\/b\u003e Maintain minimum bend radius of 25.4 mm (1.0 in) along the integral coaxial cable path.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eSelection Comparison \u0026amp; Technical Trade-Offs\u003c\/b\u003e\u003c\/h3\u003e\n\u003ctable border=\"1\" cellpadding=\"8\" cellspacing=\"0\"\u003e\n  \u003ctr\u003e\n    \u003cth\u003eSystem Parameter\u003c\/th\u003e\n    \u003cth\u003e21504-004-016-10-02 (Current Spec)\u003c\/th\u003e\n    \u003cth\u003e\n\u003ca href=\"https:\/\/www.plcsparehub.com\/products\/21504-000-032-05-02-bently-nevada-7200-series-probe-vibration-transducer\"\u003e21504-000-032-05-02\u003c\/a\u003e (Alternative Spec)\u003c\/th\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eUnthreaded Length (AAA)\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003e004 = 40 mm (4.0 in unthreaded clearance)\u003c\/td\u003e\n    \u003ctd\u003e000 = Fully Threaded Case (0 mm unthreaded)\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eOverall Case Length (BBB)\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003e016 = 1.6 Inches Case Body\u003c\/td\u003e\n    \u003ctd\u003e032 = 3.2 Inches Extended Case Body\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eTotal Probe Length (CC)\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003e10 = 1.0 Meter (39 in) Integral Cable\u003c\/td\u003e\n    \u003ctd\u003e05 = 0.5 Meter (20 in) Integral Cable\u003c\/td\u003e\n  \u003c\/tr\u003e\n  \u003ctr\u003e\n    \u003ctd\u003e\u003cb\u003eConnector Protection (DD)\u003c\/b\u003e\u003c\/td\u003e\n    \u003ctd\u003e02 = Standard Coaxial (Unarmored)\u003c\/td\u003e\n    \u003ctd\u003e02 = Standard Coaxial (Unarmored)\u003c\/td\u003e\n  \u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003cp\u003e\u003cb\u003eTechnical Recommendation:\u003c\/b\u003e The \u003cstrong style=\"color: #0056b3;\"\u003e21504-004-016-10-02\u003c\/strong\u003e is suited for installations where a 40 mm unthreaded section is required to pass through a thick mounting boss or seal housing, paired with a longer 1.0m cable to reach an external junction box. If your mounting bracket requires full thread engagement along a deeper 3.2-inch insertion port, choose the \u003ca href=\"https:\/\/www.plcsparehub.com\/products\/21504-000-032-05-02-bently-nevada-7200-series-probe-vibration-transducer\"\u003e21504-000-032-05-02\u003c\/a\u003e model with its 0.5m lead length and fully threaded case structure.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003ePackaging, Logistics \u0026amp; Warranty Terms\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eLead Time \u0026amp; Shipping:\u003c\/b\u003e Ships within 24 to 48 hours from verified inventory.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eGlobal Freight Couriers:\u003c\/b\u003e Express worldwide shipping provided via DHL Express, FedEx, and UPS.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003ePackaging Quality:\u003c\/b\u003e Factory sealed in static-shielding material with individual inspection tag.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eWarranty Terms:\u003c\/b\u003e Backed by a full 12-month quality replacement guarantee against operational defect.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eEngineering Buyer's Guide\u003c\/b\u003e\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eTotal System Cable Length Matching:\u003c\/b\u003e A 1.0-meter probe must be paired with a 4.0-meter extension cable to achieve the required 5.0-meter electrical length tuning for the 7200 Proximitor.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eVerify Target Material Calibration:\u003c\/b\u003e Standard calibration assumes AISI 4140 steel target. Non-ferrous target metals require custom scale factor compensation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eAvoid High-Magnetic Fields:\u003c\/b\u003e Do not route probe cables alongside high-voltage motor leads or unshielded power conductors.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e\u003cb\u003eFrequently Asked Questions (FAQ)\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cb\u003eQ: What occurs if I connect a 1.0m 7200 probe directly to a 3300 XL Proximitor sensor?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: The system will experience scale factor errors and non-linear signal distortion because 7200 series probe coil inductance differs from 3300 XL series specifications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: How can I verify physical coil continuity on this probe using a multimeter?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Measure DC resistance across the center pin and outer shell of the coaxial connector; healthy 7200 8 mm probe coils typically read around 5.0 to 9.0 Ω depending on lead length.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: Why is unthreaded length critical when selecting replacement proximity transducers?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: If the unthreaded length is too long, the probe cannot be screwed in deep enough to establish the required 1.0 mm (40 mil) mechanical target gap.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: What chemical exposure limits apply to the Polyphenylene\/Polyimide tip during oil bath immersion?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: The tip resists continuous immersion in synthetic lube oils, water, and mild acids without structural softening or electrical dielectric breakdown.\u003c\/p\u003e\n\n\u003cp\u003e\u003cb\u003eQ: Does this 1.0-meter cable option require a protective flexible conduit armor sleeve?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eA: Unarmored cables are designed for installation inside closed machine conduits or protective wireways. For open-air runs exposed to physical abrasion, an armored variant is recommended.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cb\u003eGlobal PLC Spare HUB's Insight\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003eDuring a critical overhaul of a fertilizer plant's synthesis gas turbine, engineers encountered fluctuating vibration readings following a transducer replacement. Investigation revealed that an incorrect fully threaded probe had been forced into a tight mounting bracket, causing thread binding before the sensor tip reached its target gap distance.\u003c\/p\u003e\n\n\u003cp\u003eOur application team supplied the correct \u003cstrong style=\"color: #0056b3;\"\u003e21504-004-016-10-02\u003c\/strong\u003e transducer. The 40 mm unthreaded shoulder allowed smooth insertion through the mounting sleeve without thread binding, enabling technicians to easily adjust the gap to -9.0 VDC baseline offset. Paired with a 4.0m extension cable, the 7200 series probe restored clean 200 mV\/mil vibration feeds, keeping the plant operating smoothly without false trip alarms!\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013970682038,"sku":"21504-004-016-10-02","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/BentlyNevada21504_13_6e410d9c-d469-43f8-b851-635eda4b7fcc.jpg?v=1789009952","url":"https:\/\/www.plcsparehub.com\/products\/21504-004-016-10-02-bently-nevada-7200-vibration-sensor-probe","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}