{"product_id":"21504-00-56-05-02-bently-nevada-7200-series-proximity-vibration-probe","title":"21504-00-56-05-02 Bently Nevada 7200 Series Proximity Vibration Probe","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eBently Nevada\u003c\/strong\u003e \u003cstrong\u003e21504-00-56-05-02\u003c\/strong\u003e is a high-performance proximity vibration probe belonging to the trusted \u003cstrong\u003e7200 Series\u003c\/strong\u003e. Engineers utilize this transducer system to measure dynamic and static shaft position, vibration, and speed in critical industrial machinery. Global PLC Spare HUB's Insight reveals that precise mechanical alignment heavily relies on this specific sensor architecture to prevent catastrophic turbomachinery failures.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e Bently Nevada\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel \/ Part Number:\u003c\/strong\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e21504-00-56-05-02\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e7200 Series\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCalibrated Range:\u003c\/strong\u003e 80 mils (2.0 mm), starting approximately 10 mils (0.25 mm) from probe face\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScale Factor:\u003c\/strong\u003e 200 mV\/mil (7.87 V\/mm), ±4% system calibrated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLinearity:\u003c\/strong\u003e Within 0.8 mils (0.02 mm) of a 200 mV\/mil straight line\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency Response:\u003c\/strong\u003e 0 to 10 kHz (0 to 600,000 cpm); -5% at 10 kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTemperature Sensitivity:\u003c\/strong\u003e Typically -3% change in scale factor at +150°F (+65°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature (Proximitor):\u003c\/strong\u003e -60°F to +212°F (-51°C to +100°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature (Probe \u0026amp; Cable):\u003c\/strong\u003e -30°F to +350°F (-34°C to +177°C)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Weight:\u003c\/strong\u003e 1.3 lbs (0.59 kg)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Guide\u003c\/h3\u003e\n\u003cp\u003eTechnicians mount the probe using standard 3\/8-24 threads into machinery housings. Ensure proper gap voltage adjustment during initial setup, typically targeting -10 Vdc center voltage for optimal linear operation. Field experience dictates that shielding the coaxial cable away from high-voltage motor leads eliminates electrical noise interference entirely.\u003c\/p\u003e\n\u003ch3\u003eCommissioning and Maintenance Convenience\u003c\/h3\u003e\n\u003cp\u003eEngineers verify system health by checking the dc gap voltage using a digital multimeter at the proximitor terminals. The miniature male coaxial connector allows fast disconnection during routine maintenance. Global PLC Spare HUB's Insight highlights that regular calibration checks every six months preserve measurement accuracy in harsh environments.\u003c\/p\u003e\n\u003ch3\u003eCompatibility and System Integration\u003c\/h3\u003e\n\u003cp\u003eThis transducer integrates seamlessly with standard \u003cstrong\u003e7200 Series\u003c\/strong\u003e monitoring racks and power supplies. The unthreaded length option 00 and overall case length option 56 ensure direct mechanical replacement in existing industrial setups without structural modifications.\u003c\/p\u003e\n\u003ch3\u003eEnvironmental Tolerance and Corrosion Resistance\u003c\/h3\u003e\n\u003cp\u003eThe probe withstands exposure to industrial fluids including air, water, lube oil, ammonium hydroxide, sulfuric acid (10%), MEK, and DMF. Relative humidity tolerance reaches up to 95% noncondensing, ensuring reliable performance in humid turbine enclosures.\u003c\/p\u003e\n\u003ch3\u003eTypical Applications and Diagnostic Capabilities\u003c\/h3\u003e\n\u003cp\u003eOperators deploy the \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e21504-00-56-05-02\u003c\/strong\u003e\u003c\/span\u003e in steam turbines, centrifugal compressors, and large industrial pumps. The sensor detects radial vibration, axial thrust position, and eccentric shaft rotation, providing early fault detection for bearing wear and rotor unbalance.\u003c\/p\u003e\n\u003ch3\u003ePackage Contents and Logistics\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 x New \u0026amp; Original Bently Nevada \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e21504-00-56-05-02\u003c\/strong\u003e\u003c\/span\u003e Probe in Factory Packing\u003c\/li\u003e\n\u003cli\u003e12 Months Factory Warranty Documentation\u003c\/li\u003e\n\u003cli\u003eExpress Shipping via FedEx, UPS, and DHL\u003c\/li\u003e\n\u003cli\u003eProcessing Time: 24 to 48 hours\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eBuying Guide\u003c\/h3\u003e\n\u003cp\u003eWhen selecting a proximity probe for turbomachinery, verify your existing thread size, case length, and cable length requirements. Always match the probe model with compatible \u003cstrong\u003e7200 Series\u003c\/strong\u003e proximitors to maintain system linearity and avoid signal distortion.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the standard gap voltage for the 7200 series probe system during installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe target initial gap voltage is typically -10 Vdc, which positions the probe in the middle of its 80 mil linear operating range.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use extension cables of a different length with model \u003cspan style=\"color: #0056b3;\"\u003e\u003cstrong\u003e21504-00-56-05-02\u003c\/strong\u003e\u003c\/span\u003e?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo, system calibration relies on specific electrical lengths. Changing cable lengths alters the scale factor and requires complete system recalibration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does oil contamination affect probe performance?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eStandard probe construction resists direct contact with industrial lube oils, meaning occasional oil splash does not degrade signal output or damage the tip.\u003c\/p\u003e","brand":"Bently Nevada","offers":[{"title":"Default Title","offer_id":45013970747574,"sku":"21504-00-56-05-02","price":145.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/7863\/8774\/files\/BentlyNevada21504_13_ab90f905-f2b0-4eb3-b6e9-351a0aae03cd.jpg?v=1785398500","url":"https:\/\/www.plcsparehub.com\/products\/21504-00-56-05-02-bently-nevada-7200-series-proximity-vibration-probe","provider":"Global PLC Spare Hub","version":"1.0","type":"link"}